Abrégé

A synthetic aperture radar (SAR) system includes a chirp pulse generation unit configured to generate chirp pulses with a frequency increasing with time, a data storage unit storing transmission data, a chirp pulse modulation unit configured to generate modulated chirp pulses by modulating the chirp pulses through phase shift keying according to at least one bit value of the transmission data, and a transceiver unit configured to convert the modulated chirp pulses into a radio signal and transmit the radio signal.

Classes IPC  ?

• G01S 13/90 - Radar ou systèmes analogues, spécialement adaptés pour des applications spécifiques pour la cartographie ou la représentation utilisant des techniques d'antenne synthétique
• G01S 7/41 - Détails des systèmes correspondant aux groupes , , de systèmes selon le groupe utilisant l'analyse du signal d'écho pour la caractérisation de la cibleSignature de cibleSurface équivalente de cible

Abrégé

Provided is an aircraft with a multi-power source electric propulsion system. The aircraft includes a fuselage, a power turbine accommodated in the fuselage and having a power shaft, a generator accommodated in the fuselage and connected to one end of the power shaft, a forward propeller for a forward flight and connected to another end of the power shaft, and a lift propeller for vertical take-off and landing (VTOL) and configured to receive power from the generator.

Classes IPC  ?

• B64D 27/33 - Aéronefs électriques hybrides
• B64D 27/355 - Aménagements pour la production, la distribution, la récupération ou le stockage d'énergie électrique à bord utilisant des piles à combustible
• B64D 27/357 - Aménagements pour la production, la distribution, la récupération ou le stockage d'énergie électrique à bord utilisant des piles
• B64D 33/08 - Aménagement sur les aéronefs des éléments ou des auxiliaires des ensembles fonctionnels de propulsion, non prévu ailleurs des systèmes de refroidissement des ensembles fonctionnels de propulsion

Abrégé

A method for detecting anomalies in a swarm system comprises: collecting first movement data from multiple vehicles moving as a swarm in a first scenario; generating first training data based on positioning data and second training data based on multi-channel inertial sensor data from the first movement data; training a first learning model using the first training data and multiple second learning models using the second training data for each vehicle; receiving real-time second movement data from vehicles moving as a swarm in a second scenario; generating first input data based on positioning data from the second movement data; inputting the first input data into the first learning model to detect abnormal vehicles in real-time; generating second input data for abnormal vehicles based on inertial sensor data from the second movement data; and inputting the second input data into the corresponding second learning model to identify abnormal channels in the inertial measurement unit of abnormal vehicles.

Classes IPC  ?

• G05D 1/86 - Surveillance des performances du système, p. ex. modules d’alarme ou de diagnostic
• G05D 101/15 - Détails des architectures logicielles ou matérielles utilisées pour la commande de la position utilisant des techniques d’intelligence artificielle [IA] utilisant l’apprentissage automatique, p. ex. les réseaux neuronaux
• G05D 109/20 - Aéronefs, p. ex. drones
• G05D 111/50 - Signaux internes, c.-à-d. provenant de capteurs situés à l’intérieur du véhicule, p. ex. boussoles ou capteurs angulaires

Abrégé

The present disclosure relates to a strut and a landing gear including the strut, and more particularly, to an disclosure in which a strut is formed of a curved pipe formed of a flexible body to reduce a weight of a component, and at the same time, an impact load of the strut and the landing gear is alleviated through a design of the physical properties and shape of the strut.

Classes IPC  ?

• B64C 25/36 - Aménagements ou adaptations des roues, des pneumatiques ou des essieux
• B64C 25/50 - Atterrisseurs orientablesAmortissement du shimmy
• B64C 25/60 - Jambes amortisseuses hydrauliques
• B64C 25/62 - Amortisseurs à ressortsRessorts

Abrégé

Disclosed is a vicarious radiometric calibration system. More specifically, disclosed is a ground reference target for calibrating a digital signal that is obtained through a sensor when a landmark is observed from a satellite or an airplane by using a spectral reflection factor or spectral emissivity of the ground reference target and a vicarious radiometric calibration system including the same. It is possible to derive accurate measurement results for the MWIR region by installing a ground reference target having predetermined reflectance or emissivity and having a special form on the ground with respect to the calibration of a sensor for remote exploration, such as aviation, space, and astronomy, and performing absolute radiometric calibration by using images that are obtained through the ground reference target.

Classes IPC  ?

• G01J 5/80 - Étalonnage

Abrégé

A method and apparatus for measuring a level for calculating a flow of a propellant tank are provided. The method of measuring a level for calculating a flow of a propellant tank includes, in response to an instruction to measure a level in a propellant tank storing a liquid fuel, generating propagated power for level measurement at a specified generation intensity inside the propellant tank through a transmission antenna, receiving the propagated power for level measurement passing through the liquid fuel through a reception antenna, calculating a degree of attenuation between the generation intensity and a reception intensity of the propagated power for level measurement, and measuring a height level of the liquid fuel by considering the degree of attenuation.

Classes IPC  ?

• G01F 23/284 - Ondes électromagnétiques
• G01F 23/80 - Dispositions pour le traitement des signaux

Abrégé

Provided is a resistance temperature detector (RTD), and in particular, to an RTD that minimizes damage from thermal stress. The present disclosure is to solve the problem of electric wire disconnection caused by thermal stress and minimize damage due to a ferrule in a portion in which the ferrule is mounted.

Classes IPC  ?

• G01K 7/16 - Mesure de la température basée sur l'utilisation d'éléments électriques ou magnétiques directement sensibles à la chaleur utilisant des éléments résistifs

Abrégé

The disclosure relates to a lunar gravity simulation system for a lander performance test including a plurality of first frames extending in a height direction, a plurality of second frames extending in a horizontal direction, a plurality of third frames extending in a vertical direction, a plurality of movable frames connecting one of the plurality of third frames to another third frame, a plurality of movable bridges mounted on the movable frame and movable along the movable frame in the horizontal direction, a lander holder comprising three or more third frames, wherein the plurality of movable frames and the plurality of movable bridges are arranged between the plurality of third frames and the plurality of movable bridges are simultaneously connected to the lander holder; a connection wire connecting the lander holder to the movable bridge, and a lander connected to the lander holder.

Classes IPC  ?

• B64G 7/00 - Simulation des conditions d'ambiance astronautique, p. ex. pour la préparation des équipages
• G01M 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe

Abrégé

A turbopump includes a casing, a rotational shaft rotatably supported on the casing, and an impeller mounted on a side of the rotational shaft and pressurizing a fluid flowing into the impeller from an inlet of the casing, wherein axial thrust is controlled as a clearance formed between the impeller and the casing in a length direction of the rotational shaft varies according to a fluid pressure difference between front and rear sides of the impeller.

Classes IPC  ?

• F04D 29/051 - Équilibrages des poussées axiales
• F02K 9/46 - Alimentation en propergols utilisant des pompes
• F04D 17/10 - Pompes centrifuges pour la compression ou l'épuisement
• F04D 29/056 - Paliers
• F04D 29/10 - Joints d'étanchéité pour arbre
• F04D 29/46 - Moyens de guidage du fluide, p. ex. diffuseurs réglables

Abrégé

Provided are a method, a system, and an apparatus for generating an optimal imaging sequence for a plurality of satellites. More particularly, provided are a method, a system, and an apparatus for generating an optimal imaging sequence for establishing an efficient imaging mission plan for a ground target imaging mission by using a plurality of earth observation satellites.

Classes IPC  ?

• H04N 7/18 - Systèmes de télévision en circuit fermé [CCTV], c.-à-d. systèmes dans lesquels le signal vidéo n'est pas diffusé
• G06T 7/70 - Détermination de la position ou de l'orientation des objets ou des caméras

Abrégé

Disclosed are a positioning system and a positioning method using a low earth orbit satellite. The positioning system using a low earth orbit satellite according to the present invention comprises a generation unit for generating, when a communication period with a ground control station is reached, a first telemetry signal including a time value according to a reference time used by a low earth orbit satellite; a confirmation unit for confirming, on the basis of a navigation signal received from a navigation satellite, the GNSS time used as a reference by the navigation satellite; an adjustment unit for adjusting the time value in the first telemetry signal so as to be synchronized with the GNSS time; and a transmission unit for broadcast transmitting a second telemetry signal, after the adjustment, so that a positioning receiver on the ground can determine the position by using the second telemetry signal.

Classes IPC  ?

• G01S 19/25 - Acquisition ou poursuite des signaux émis par le système faisant intervenir des données d'assistance reçues en provenance d'un élément coopérant, p. ex. un GPS assisté
• G01S 19/22 - Problèmes liés aux multitrajets

Abrégé

Disclosed is a navigation method and system using color codes. The navigation method according to an embodiment of the present disclosure includes: dividing an aircraft path at a vertiport into a plurality of sub-paths based on a branch point; and selectively combining at least some of the plurality of sub-paths and generating a guiding path for an urban air mobility (UAM) to travel at the vertiport based on a departure point and a destination point scheduled for the UAM.

Classes IPC  ?

• G05D 1/247 - Dispositions pour déterminer la position ou l’orientation utilisant des signaux fournis par des sources artificielles extérieures au véhicule, p. ex. balises de navigation
• G05D 109/20 - Aéronefs, p. ex. drones
• G05D 111/10 - Signaux optiques

Abrégé

A fiber winding device includes a spool assembly having a plurality of bobbins provided around a spiral wire in a circumferential direction to form a spool surface, a guide ring provided at a front part of the center of the spool assembly in a direction oblique to the spool surface, and a wire transfer unit for transferring the spiral wire to pass through the guide ring. The spiral wire is disposed to perpendicularly pass through the center of the guide ring. The spool assembly is disposed in a direction oblique to the wire, and fibers from the plurality of bobbins are wound on the spiral wire along the guide ring. In addition, by sequentially arranging a plurality of fiber winding devices along the spiral wire, fibers in multiple layers can be wound on one spiral wire sequentially and continuously.

Classes IPC  ?

• B29C 70/32 - Façonnage par empilage, c.-à-d. application de fibres, de bandes ou de feuilles larges sur un moule, un gabarit ou un noyauFaçonnage par pistolage, c.-à-d. pulvérisation de fibres sur un moule, un gabarit ou un noyau sur un moule, un gabarit ou un noyau rotatifs
• B65H 49/32 - Supports ou cadres
• B65H 57/06 - Surfaces de guidage annulairesŒils, p. ex. queues de cochon
• B65H 59/38 - Réglage ou commande de la tension du matériau filiforme, p. ex. pour empêcher les vrillesUtilisation d'indicateurs de tension par régulation de la vitesse du mécanisme d'entraînement des dispositifs de déroulage, de dévidage, d'avance, d'enroulement ou d'emmagasinage, p. ex. en réaction automatique aux variations de tension

Abrégé

An electric aircraft according to an embodiment of the present invention comprises: a fuselage equipped with a power means, a front spar and a rear spar extending from the fuselage to an end of a wing, and a plurality of ribs extending from the rear spar to the front spar and coupled to the front spar and the rear spar, in which a plurality of solid state batteries are mounted in a plurality of individual spaces partitioned by the front spar, the rear spar, and the plurality of ribs, respectively, and the front spar and the rear spar are used as members for serial connection of the plurality of solid state batteries, and the plurality of ribs are used as members for parallel connection of the plurality of solid state batteries.

Classes IPC  ?

• B64D 27/357 - Aménagements pour la production, la distribution, la récupération ou le stockage d'énergie électrique à bord utilisant des piles
• B64C 3/18 - LongeronsNervuresLisses
• B64C 3/32 - Voilures spécialement adaptées pour le montage des groupes propulseurs
• B64D 27/31 - Aéronefs caractérisés par des groupes moteurs électriques à l'intérieur des ailes ou fixés à celles-ci
• H01M 50/249 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux aéronefs ou aux véhicules, p. ex. aux automobiles ou aux trains
• H01M 50/298 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par le câblage des blocs de batterie
• H01M 50/51 - Connexion seulement en série

Abrégé

The provided device is a torque testing tool for electric actuators, employing a potentiometer, load cell, and spring system to measure torque. It surpasses conventional leaf springs with its wider operational rotation range. The setup includes a potentiometer fixed at the electric actuator's shaft end, a vertically positioned torque arm, a rod connected to the torque arm with a load cell, and a spring system attached to the rod and a second bracket, all vertically aligned with the actuator's shaft. A control unit processes force data from the load cell and rotation angle data from the potentiometer to accurately calculate the electric actuator's torque. This innovative design ensures precise torque measurement, offering enhanced efficiency and versatility for various applications relying on electric actuators.

Classes IPC  ?

• G01L 3/10 - Dynamomètres de transmission rotatifs dans lesquels l'élément transmettant le couple comporte un arbre élastique en torsion impliquant des moyens électriques ou magnétiques d'indication

Abrégé

Provided is a pressure control device for a liquid hydrogen tank for a hydrogen fuel cell vehicle that includes a fuel cell, a battery, and a drive motor, wherein the liquid hydrogen tank includes a vacuum chamber, an inner chamber inside the vacuum chamber and storing liquid hydrogen therein, and a multi-layered insulation surrounding the inner chamber. The pressure control device includes a liquid hydrogen pump inside a liquid hydrogen section, an expansion valve located downstream of the liquid hydrogen pump, a heat exchanger located downstream of the expansion valve, a first flow path through which liquid hydrogen supplied from the liquid hydrogen pump passes through the heat exchanger and is sprayed into a gaseous hydrogen section, and a second flow path through which the liquid hydrogen supplied from the liquid hydrogen pump sequentially passes through the expansion valve and the heat exchanger and flows.

Classes IPC  ?

• H01M 8/04746 - PressionDébit
• H01M 8/04089 - Dispositions pour la commande des paramètres des réactifs, p. ex. de la pression ou de la concentration des réactifs gazeux

Abrégé

The present disclosure relates to a satellite system, and more particularly, to a satellite navigation system with high positioning accuracy. According to a low-orbit satellite, a satellite system including the same, and a control method thereof according to the present disclosure, a low-orbit satellite with high positioning accuracy is applied, but in order to reduce costs, the low-orbit satellite relays a signal from the existing high-orbit satellite and transmits the relayed signal to a signal receiving unit, thereby positioning of the receiving unit with high accuracy at low cost.

Classes IPC  ?

• H04B 7/185 - Stations spatiales ou aériennes
• G01S 19/11 - Éléments coopérantsInteraction ou communication entre les différents éléments coopérants ou entre les éléments coopérants et les récepteurs fournissant des signaux de positionnement supplémentaires dédiés les éléments coopérants étant des pseudolites ou des répétiteurs de signaux de systèmes de positionnement par satellite à radiophares

Abrégé

Disclosed is a metaverse platform operating method and system for implementing a virtual universe space. The metaverse platform operating method includes: obtaining a plurality of satellite data from a satellite vehicle on a predetermined period for a predetermined time; constructing space situational awareness (SSA) information associated with the satellite vehicle by processing the plurality of satellite data; generating a metaverse-based virtual universe space in which the satellite vehicle is positioned for the predetermined time, through three-dimensional (3D) modeling of the SSA information; at an access request from a device, identifying a satellite-related organization to which the device belongs, using a login account included in the access request; and visualizing the metaverse-based virtual universe space on the device according to an information access right of the satellite-related organization.

Classes IPC  ?

• B64G 1/24 - Appareils de guidage ou de commande, p. ex. de commande d'assiette
• B64G 3/00 - Observation ou poursuite des véhicules astronautiques
• G06T 7/70 - Détermination de la position ou de l'orientation des objets ou des caméras
• G06T 17/00 - Modélisation tridimensionnelle [3D] pour infographie
• H04L 9/40 - Protocoles réseaux de sécurité

Abrégé

A space digital twin device and a space digital twin method are disclosed. The space digital twin device includes a digital twin unit configured to simulate a space system as a twin space system, a digital control unit configured to transplant control for the space system to control for the twin space system, and a digital output unit configured to visualize a content generated according to the control for the twin space system.

Classes IPC  ?

• G01V 20/00 - Géomodélisation en général

Abrégé

The present disclosure relates to a diagnostic system of a launch vehicle, and more particularly, to a technology capable of accurately estimating a change in attitude and volume of the launch vehicle by generating a three-dimensional shape of the launch vehicle and comparing the three-dimensional shape with reference shape information using a light detection and ranging (LIDAR) sensor to calculate state information of the launch vehicle.

Classes IPC  ?

• G07C 5/08 - Enregistrement ou indication de données de marche autres que le temps de circulation, de fonctionnement, d'arrêt ou d'attente, avec ou sans enregistrement des temps de circulation, de fonctionnement, d'arrêt ou d'attente

Abrégé

A power unit includes an engine including a driving shaft, a power generator provided on the driving shaft and configured to supply electric energy to a flight vehicle, and a thrust generator provided on an outer side of the power generator and configured to provide a propulsion force to the flight vehicle. When a temperature of the power generator is greater than or equal to a first temperature, the power generator and the thrust generator are decoupled from each other, and the power generator is driven by an output of the engine and supplies the electric energy to the flight vehicle. When the temperature of the power generator is less than the first temperature, the power generator and the thrust generator are coupled to each other, and the thrust generator is driven by the output of the engine and provides the propulsion force to the flight vehicle.

Classes IPC  ?

• B64D 31/18 - Systèmes de commande des groupes moteursAménagement de systèmes de commande des groupes moteurs sur aéronefs pour les groupes moteurs électriques pour les groupes moteurs hybrides-électriques
• B60W 10/02 - Commande conjuguée de sous-ensembles de véhicule, de fonction ou de type différents comprenant la commande d'accouplements de la chaîne cinématique
• B64D 27/02 - Aéronefs caractérisés par le type ou la position des groupes moteurs
• B64D 27/33 - Aéronefs électriques hybrides
• F02B 63/04 - Adaptations des moteurs pour entraîner des pompes, des outils tenus à la main ou des génératrices électriquesCombinaisons portatives de moteurs avec des dispositifs entraînés par des moteurs pour génératrices électriques
• F16D 41/12 - Roues libres ou embrayages à roue libre avec cliquet articulé coopérant avec des dents, des tenons ou des éléments analogues
• H02K 7/108 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des embrayages à friction
• H02K 21/22 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants tournant autour des induits, p. ex. volants magnétiques

Abrégé

Provided are an apparatus, method, and computer program for measuring spatial resolution of electro-optical system, by which the influence of edge spread function (ESF) by micro-vibrations is mitigated by using deep learning techniques. The method of measuring spatial resolution of electro-optical system includes obtaining raw ESF data from an edge image obtained by using the electro-optical system, obtaining a corrected ESF curve by inputting the raw ESF data to a deep learning model, obtaining a line spread function (LSF) curve by differentiating the corrected ESF curve, obtaining a modulation transfer function (MTF) curve by Fourier-transforming the LSF curve; and obtaining a MTF value from the MTF curve.

Classes IPC  ?

• G06T 7/13 - Détection de bords
• G06T 7/168 - DécoupageDétection de bords impliquant des procédés de transformation de domaine

Abrégé

An apparatus for controlling a tilt rotor is provided. The apparatus includes a thrust command generator configured to generate a first collective pitch angle based on a throttle command, a rotation speed compensator configured to generate a compensation value based on a rotation speed of the motor, a compensation weight generator configured to generate weight values according to a flight speed, a collective pitch angle command generator configured to generate a collective pitch angle adjustment command of the rotor blade of the motor, based on the first collective pitch angle and a first compensation value being obtained by multiplying the compensation value by a preset conversion ratio and a first weight value, and a motor controller configured to generate a motor control command based on a second compensation value being obtained by multiplying the compensation value by a second weight value and the first collective pitch angle.

Classes IPC  ?

• B64C 11/00 - Hélices, p. ex. du type carénéCaractéristiques communes aux hélices et aux rotors pour giravions
• B64C 11/30 - Mécanismes de changement de pas des pales
• B64C 13/50 - Dispositifs de transmission avec amplification de puissance utilisant l'énergie électrique
• B64D 35/04 - Transmission de la puissance des groupes moteurs aux hélices ou aux rotorsAménagements des transmissions caractérisée par le fait que la transmission entraîne plusieurs hélices ou rotors
• B64C 27/52 - Basculement de l'ensemble du rotor par rapport au fuselage

Abrégé

Provided is an antenna integrated structure in which an antenna is inserted into ground vehicle, marine ship and aircraft structure, and more particularly, a sandwich panel type antenna integrated latticecore having a structure for improving communication performance of an antenna module.

Classes IPC  ?

• H01Q 9/04 - Antennes résonnantes
• H01Q 1/22 - SupportsMoyens de montage par association structurale avec d'autres équipements ou objets

Abrégé

A storage station for unmanned vertical take-off and landing (VTOL) aircrafts includes a storage case (110) for accommodating an unmanned VTOL aircraft therein, a first coupling member (120) having one end pivotably coupled to an inner upper surface of the storage case and the other end protruding out of the storage case by a pivoting operation, and a second coupling member (130) provided at the other end of the first coupling member, in which one end of a main body of the unmanned VTOL aircraft is coupled to the second coupling member, and the second coupling member is rotatable about a rotation axis in a longitudinal direction of the first coupling member, whereby it is possible to provide an advantageous effect of simultaneously storing and charging multiple drones on sides, and it is particularly possible to provide an advantageous effect of charging and storing a large number of drones used in swarm flight technology, which has recently become increasingly useful.

Classes IPC  ?

• B64U 80/10 - Transport ou stockage spécialement adaptés aux véhicules aériens sans pilote avec des moyens de déplacement du véhicule aérien sans pilote vers un emplacement d’alimentation ou de lancement, p. ex. armes robotiques ou carrousels
• B64U 80/25 - Transport ou stockage spécialement adaptés aux véhicules aériens sans pilote avec des dispositions pour assurer le service du véhicule aérien sans pilote pour la recharge de batteriesTransport ou stockage spécialement adaptés aux véhicules aériens sans pilote avec des dispositions pour assurer le service du véhicule aérien sans pilote pour le ravitaillement en combustible
• B64U 80/40 - Transport ou stockage spécialement adaptés aux véhicules aériens sans pilote à plusieurs véhicules aériens sans pilote
• B64U 80/70 - Transport ou stockage spécialement adaptés aux véhicules aériens sans pilote dans des réceptacles

Abrégé

A launch pad system includes a fuel vent port provided in a launch vehicle, a launch pad fuel tank provided outside the launch vehicle to store fuel, a fuel recovery line connecting the fuel vent port and the launch pad fuel tank such that the fuel is transferred therethrough, and a fuel transfer unit provided on the fuel recovery line to transfer the fuel, wherein the fuel may be recovered from the launch vehicle to the launch pad fuel tank.

Classes IPC  ?

• B64G 5/00 - Équipement au sol pour les véhicules, p. ex. tours de lancement, installations de ravitaillement en combustible

Abrégé

A rotor hub system includes a rotor rotation axis, a flap hinge connected to the rotor rotation axis and enabling flapping motion of a rotor blade, a lead-lag hinge connected to the flap hinge and enabling lead-lag motion of the rotor blade, a first hub to which one end of the rotor blade is fixed, a rotating pitch control actuator connected to the first hub and rotating the first hub to enable pitching motion of the rotor blade, and a second hub equipped with the rotating pitch control actuator and hinged to the lead-lag hinge.

Classes IPC  ?

• B64C 27/39 - Rotors comportant des articulations les pales étant articulées séparément, c.-à-d. avec des articulations de battement ou de traînée
• B64C 27/78 - Mécanismes pour la commande du réglage ou du mouvement de la pale par rapport à la tête du rotor, p. ex. mouvement de traînée en conjonction avec le réglage du pas des pales du rotor anticouple

Abrégé

The present invention relates to a lunar gravity simulation system for testing performance of a lander, characterized by comprising: a plurality of first frames extending in the height direction; a plurality of second frames extending in the transverse direction; a plurality of third frames extending in the longitudinal direction; movable frames that extend in the transverse direction, connect one third frame to another third frame, and are movable in the longitudinal direction along the third frames; movable bridges installed on the movable frames and movable in the transverse direction along the movable frames, wherein three or more of the third frames are provided, and the plurality of movable frames and the plurality of movable bridges are provided between the plurality of third frames; a lander holder that is simultaneously connected to the plurality of movable bridges; a connecting wire connecting the lander holder and the moveable bridges; and a lander connected to the lander holder.

Classes IPC  ?

• B64G 7/00 - Simulation des conditions d'ambiance astronautique, p. ex. pour la préparation des équipages
• G01M 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe

Abrégé

The present disclosure provides a simulator for implementing smooth motion in multiple axes to implement various driving and flight environments in a real environment, and more particularly, a swing motion plate that has a structure stacked in multi stages, is configured so that each stage is stacked to implement movement on a different axis, but has a structure that allows each stage to move smoothly and without interruption in order to smoothly implement more realistic movements, and can drive a device by using a worm gear structure so that a load applied to the device is not concentrated when each stage drives each movement, and a motion simulator using the same.

Classes IPC  ?

• G09B 9/12 - Systèmes de déplacement pour simulateurs d'aéronef

Abrégé

A tilt prop aircraft is provided, including a first longitudinal support member and a second longitudinal support member capable of tilting relatively to each other, a tilt actuator disposed on the second longitudinal support member, a first power transmission member rotated by the tilt actuator, a second power transmission member fixed to the first longitudinal support member and coupled to the first power transmission member to transmit a rotational movement of the first power transmission member by turning 90 degrees in different planes, a crank fixed to the second longitudinal support member and extending through a slot in the first longitudinal support member and protruding inwardly from the first longitudinal support member, and a connecting rod connected to the crank so as to be relatively rotatable to the crank, and connected to the pitch control rod.

Classes IPC  ?

• B64C 29/00 - Aéronefs capables d'atterrir ou de décoller à la verticale, p. ex. aéronefs à décollage et atterrissage verticaux [ADAV, en anglais VTOL]
• B64C 13/30 - Dispositifs de transmission sans amplification de puissance ou dans les cas où l'amplification de puissance est sans objet mécaniques utilisant des mécanismes à câbles, chaînes ou tiges
• B64C 13/34 - Dispositifs de transmission sans amplification de puissance ou dans les cas où l'amplification de puissance est sans objet mécaniques utilisant des engrenages

Abrégé

Provided are a method and apparatus for ground target precision orientation for satellite image acquisition, in which the method includes: receiving a desired satellite position (P) for imaging from a ground station, and receiving a ground plan imaging time (T) or an algorithm execution time (TA) from the ground station, in which the ground plan imaging time (T) is calculated according to the desired satellite position (P) for imaging at a ground-based orbit propagator, and the algorithm execution time (TA) is set to be earlier than the ground plan imaging time (T) by a predetermined amount of time; and determining, based on a position error (E) calculated by using a difference between the desired satellite position (P) for imaging and the predicted satellite position (Q) output from the satellite-based orbit propagator, a closest satellite position (QC) and a closest satellite time (TC) corresponding to when the satellite is closest to the desired satellite position (P) for imaging, and determining a corrected maneuvering attitude ({right arrow over (e)},θ) for orienting the line-of-sight vector of an image capturing payload of the satellite to a ground target at the closest satellite position (QC).

Classes IPC  ?

• B64G 1/24 - Appareils de guidage ou de commande, p. ex. de commande d'assiette
• G05D 1/00 - Commande de la position, du cap, de l'altitude ou de l'attitude des véhicules terrestres, aquatiques, aériens ou spatiaux, p. ex. utilisant des pilotes automatiques
• G05D 1/08 - Commande de l'attitude, c. à d. élimination ou réduction des effets du roulis, du tangage ou des embardées
• H04N 23/60 - Commande des caméras ou des modules de caméras
• H04N 23/695 - Commande de la direction de la caméra pour modifier le champ de vision, p. ex. par un panoramique, une inclinaison ou en fonction du suivi des objets

Abrégé

A hybrid engine system includes: an engine; a generator driven by the engine to output electrical energy; a battery configured to store electrical energy produced by the generator or supply electrical energy together with the generator; and a controller configured to control the engine, wherein the controller includes a torque meter for measuring torque of an output shaft of the engine and a current meter for measuring output current of the generator, and is further configured to change a control mode of the engine when a reduction rate of at least one of the torque and the current is greater than a set value while the engine is operating in a fly mode.

Classes IPC  ?

• B60W 10/06 - Commande conjuguée de sous-ensembles de véhicule, de fonction ou de type différents comprenant la commande des ensembles de propulsion comprenant la commande des moteurs à combustion
• B60W 10/08 - Commande conjuguée de sous-ensembles de véhicule, de fonction ou de type différents comprenant la commande des ensembles de propulsion comprenant la commande des unités de traction électrique, p. ex. des moteurs ou des générateurs
• B60W 10/26 - Commande conjuguée de sous-ensembles de véhicule, de fonction ou de type différents comprenant la commande des moyens de stockage d'énergie pour l'énergie électrique, p. ex. des batteries ou des condensateurs

Produits et services

Satellites; satellite dishes for satellite transmissions; satellite receiving and transmission apparatus and instruments; satellite navigation equipment; sounding rockets; satellite apparatus; mounting devices for cameras and monitors; electronic apparatus for the remote control of signals; apparatus for the transmission of images; satellite transmitters and receivers; global Positioning System [GPS] analysis apparatus; display monitors for satellite location identifying system; monitor screens for satellite location identifying system; global Positioning System [GPS] tracking and location devices; satellite communication apparatus. Ornaments for footwear made of metal. Note books; ball pens; office requisites, except furniture; mechanical pencils; pencils; erasers; writing instruments; pen and pencil boxes; school supplies [stationery]; diary; three-dimensional models for educational purposes; modelling materials; books; stationery. Book stands. Blankets for household pets; furniture coverings of textile; individual place mats made of textile; textile placemats for flower vases; tablecloths, not of paper; table linen, not of paper; table napkins of textile; bed and table covers; lap rugs; pillow covers; bed quilts; bed covers; covers for cushions; bath towels; household linen. Belts made of leather; money belts [clothing]; caps being headwear; winter face masks[clothing]; footwear; uniforms; clothing; winter gloves of leather; trouser socks; neckties; knitted gloves; headbands [clothing]; ankle socks; wristbands [clothing]; waterproof jackets. Cellular phone accessory charms; hair pins; beads other than for making jewelry [haberdashery]; hair ornaments [not of precious metal]; badges for wear, not of precious metal; medal [not of metal]; brooches, other than jewelry; beads, other than for making jewellery; pins not of precious metal; ornamental novelty badges [buttons]; hair bands; buttons. Drones [toys]; robotic toys; remote controlled mobiles [toys]; model air vehicles; model robots; scale model airplanes; toys [playthings]; toy rockets; toy airplanes; mobile toys; toy aircraft; scale model aircraft; games and playthings; portable games and toys incorporating telecommunication functions; game machines and apparatus. Electronic publication of information on-line; publication of multimedia material on-line; multimedia publishing of books; publication of electronic books and periodicals on the Internet; publication of printed matter in electronic form on the Internet; reference libraries of literature and documentary records; provision of science exhibitions; organization and conducting of contest and exhibition for cultural purposes and/or scientific purposes; arranging and conducting of seminars, conferences and exhibitions for cultural or educational purposes; organizing, arranging and conducting of seminars, workshops [training] and exhibitions for cultural or educational purposes; presentation of works of visual art and literature to the public for cultural or educational purposes; arranging and conducting of conferences and exhibitions for cultural or educational purposes; arranging and conducting of conferences, conventions and exhibitions for cultural or educational purposes; conducting of educational conferences; conducting of educational events.

Abrégé

Provided is a heat exchanger heat transfer enhancement device, and in particular, to a heat exchanger heat transfer enhancement device by allowing a fluid flowing into a heat exchanger to form a uniform flow field. A flow distribution device is disposed at an inlet of a pipe through which a fluid is introduced, and the flow distribution device includes a plurality of holes formed on a circumferential surface and an end portion to distribute the fluid to the center and the periphery. Also, a flange is formed at one end and coupled between the pipe and a diffusion portion. The distributed fluid passes through a heat exchanger, and here, one or more screens are disposed to make a flow field of the fluid more uniform.

Classes IPC  ?

• F28F 13/00 - Dispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution
• F15D 1/02 - Action sur l'écoulement des fluides dans les tuyaux ou les conduits
• F28F 13/06 - Dispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution en affectant le mode d'écoulement des sources de potentiel calorifique
• F28F 13/08 - Dispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution en affectant le mode d'écoulement des sources de potentiel calorifique en faisant varier la section transversale des canaux d'écoulement

Abrégé

.

Classes IPC  ?

• H04L 1/20 - Dispositions pour détecter ou empêcher les erreurs dans l'information reçue en utilisant un détecteur de la qualité du signal
• H04L 7/04 - Commande de vitesse ou de phase au moyen de signaux de synchronisation

Abrégé

The disclosure relates to a combustor including a heat exchange structure and a rocket including the combustor. The combustor according to an embodiment of the disclosure includes: an inner wall; an outer jacket arranged to cover an outer surface of the inner wall; a plurality of first heat exchange channels arranged between the inner wall and the outer jacket and through which a fuel introduced from a fuel tank flows; and a second heat exchange channel arranged between the inner wall and the outer jacket and through which a pressurized gas introduced from a pressurized gas tank flows.

Classes IPC  ?

• F02K 9/62 - Chambres de combustion ou de poussée
• F02K 9/44 - Alimentation en propergols
• F02K 9/64 - Chambres de combustion ou de poussée comportant des aménagements pour le refroidissement
• F02K 9/97 - Tuyères de fusée
• F23R 3/00 - Chambres de combustion à combustion continue utilisant des combustibles liquides ou gazeux

Abrégé

A method for estimating an aging amount of a battery mounted on a satellite includes receiving battery voltage and current data generated by detecting a voltage and current of the battery in a preset first sensing period during a precise sensing period, determining a mission start time point based on the battery current data, obtaining a first battery voltage value of a first time point based on the battery voltage data and the mission start time point, obtaining a second battery voltage value of a second time point when a preset reference time elapses from the first time point based on the battery voltage data, and estimating the aging amount of the battery based on a sensing voltage difference between the first battery voltage value and the second battery voltage value, a first reference voltage difference, and a second reference voltage difference.

Classes IPC  ?

• G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé
• G01R 31/367 - Logiciels à cet effet, p. ex. pour le test des batteries en utilisant une modélisation ou des tables de correspondance
• G01R 31/3835 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge ne faisant intervenir que des mesures de tension

Abrégé

A dual motor actuator according to an embodiment includes a main motor actuator outputting torque to a main output shaft by including a main motor and a main reduction gear, an auxiliary motor actuator outputting torque to an auxiliary output shaft by including an auxiliary motor and an auxiliary reduction gear, and a clutch connecting the main output shaft and the auxiliary output shaft to each other, wherein the clutch includes a fixed clutch connected to the main output shaft and a movable clutch coupled to or released from the fixed clutch and connected to the auxiliary output shaft, and the dual motor actuator further includes an output unit connected to the movable clutch and transmitting an output from the main motor actuator or the auxiliary motor actuator.

Classes IPC  ?

• H02K 7/10 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques
• H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
• H02K 7/20 - Association structurelle à des machines dynamo-électriques auxiliaires, p. ex. à des moteurs électriques de lancement ou des excitatrices
• H02P 5/48 - Dispositions spécialement adaptées à la régulation ou la commande de la vitesse ou du couple d’au moins deux moteurs électriques pour la régulation de vitesse de plusieurs moteurs dynamo-électriques en relation les uns avec les autres par comparaison de grandeurs mécaniques représentant les vitesses

Abrégé

The present disclosure relates to an apparatus and method for estimating a state of charge of a satellite battery in a satellite system. According to the present disclosure, a method of operating an apparatus for estimating a state of charge includes obtaining satellite information indicating the status of the satellite according to a mission plan of the satellite, generating prediction information about a battery state of the satellite in a non-contact duration of the satellite from the satellite information based on a pre-learned artificial neural network, obtaining measurement information about a battery state of the satellite in a contact duration of the satellite; and estimating the state of charge of the battery based on the prediction information and the measurement information.

Classes IPC  ?

• H04B 7/185 - Stations spatiales ou aériennes
• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries

Abrégé

The present disclosure relates to a heat switch device using a cryogenic loop heat pipe and a method therefor, and more specifically, to a heat switch device using a cryogenic loop heat pipe and a method therefor, wherein the cryogenic loop heat pipe is configured to be operable at a cryogenic temperature, the heat switch device can perform the operation of a heat switch for heat transfer and heat blocking, by using the structure of the cryogenic loop heat pipe, without a separate heat switch, thereby reducing the weight and complexity of a system, compared to a conventional configuration, the heat switch can be operated at a user's desired time, and the heat switch device can be used even in a cryogenic environment, and performs heat exchange by using a gas-liquid phase change, thereby effectively providing high heat transfer and heat blocking effects.

Classes IPC  ?

• H01H 37/36 - Éléments thermosensibles actionnés par l'expansion ou la contraction d'un fluide avec ou sans vaporisation
• F28D 15/02 - Appareils échangeurs de chaleur dans lesquels l'agent intermédiaire de transfert de chaleur en tubes fermés passe dans ou à travers les parois des canalisations dans lesquels l'agent se condense et s'évapore, p. ex. tubes caloporteurs
• F28D 15/04 - Appareils échangeurs de chaleur dans lesquels l'agent intermédiaire de transfert de chaleur en tubes fermés passe dans ou à travers les parois des canalisations dans lesquels l'agent se condense et s'évapore, p. ex. tubes caloporteurs avec des tubes ayant une structure capillaire

Abrégé

A multiple data transmission method and a multiple data transmission system are disclosed. A multiple data transmission system, according to one embodiment of the present invention, comprises: an identification unit for identifying, from among a plurality of separated networks, a first network to which a transmission device requesting data transmission belongs; a generation unit for generating a data packet by adding a destination address set for the first network as a header to data transmitted from the transmission device; and a transmission unit for transmitting the data packet to a reception device identified by the destination address, through a transmission path which connects the first network and a second network to which the reception device belongs.

Classes IPC  ?

• H04L 45/00 - Routage ou recherche de routes de paquets dans les réseaux de commutation de données

Abrégé

A safe landing point search device for searching for a safe landing point of an unmanned exploration device that lands on and explores a celestial body, includes a terrain map obtaining unit configured to obtain a terrain map, a contour line generating unit configured to generate contour lines based on a reference minimum height value and a height interval value by using the terrain map, a largest empty circle (LEC) searching unit configured to search for one or more LECs having a radius greater than or equal to a lower-limit radius in a contour line map including the contour lines, and a safe landing point outputting unit configured to output a safe landing point having a largest radius among the one or more LECs and transmit the safe landing point to the unmanned exploration device.

Classes IPC  ?

• B64G 1/62 - Systèmes de retour sur terreDispositifs de freinage ou d'atterrissage
• B64G 1/66 - Aménagements ou adaptations d'appareils ou d'instruments, non prévus ailleurs

Abrégé

The present invention relates to a control input device applicable to an eVTOL aircraft, which is an electric-powered vertical take-off and landing aircraft, and more particularly, to an aircraft control input device that may replace a cyclic control stick, a tail rotor control pedal, and a collective control stick used for flight control of a conventional aircraft, which is simpler in configuration and easier to operate than conventional control devices and may improve pilot convenience and stability of flight operation through simple and accurate flight manipulation, and a command input method using the same.

Classes IPC  ?

• B64C 13/04 - Dispositifs amorçant la mise en œuvre actionnés par l'homme
• B64D 43/00 - Aménagements ou adaptations des instruments
• G05G 9/047 - Mécanismes de commande manuelle équipés d'un seul organe de commande travaillant avec plusieurs organes commandés, p. ex. en sélection ou simultanément l'organe de commande étant manœuvré de différentes manières indépendantes, chacune de ces manœuvres individuelles entraînant un seul organe commandé dans lesquels la manœuvre de l'organe de commande peut être effectuée de plusieurs manières simultanément l'organe de commande étant manœuvré à la main autour d'axes orthogonaux, p. ex. manches à balai
• B64C 29/00 - Aéronefs capables d'atterrir ou de décoller à la verticale, p. ex. aéronefs à décollage et atterrissage verticaux [ADAV, en anglais VTOL]

Abrégé

i corresponding to the first pixel.

Classes IPC  ?

• G01S 13/90 - Radar ou systèmes analogues, spécialement adaptés pour des applications spécifiques pour la cartographie ou la représentation utilisant des techniques d'antenne synthétique

Abrégé

Provided is a method for matching telemetry packets for satellite image processing, which includes receiving a plurality of image data telemetry packets and a plurality of auxiliary data telemetry packets, the plurality of image data telemetry packets include satellite image data photographed from a satellite, but do not include satellite image sequence information, and the plurality of auxiliary data telemetry packets include satellite image sequence information, correcting a packet time of either the plurality of image data telemetry packets or the plurality of auxiliary data telemetry packets by using a predetermined mathematical formula, and matching the plurality of image data telemetry packets and the plurality of auxiliary data telemetry packets corresponding to the same satellite image sequence by using the packet time.

Classes IPC  ?

• G01S 19/48 - Détermination de position en combinant ou en commutant entre les solutions de position dérivées du système de positionnement par satellite à radiophares et les solutions de position dérivées d'un autre système
• G01S 19/28 - Choix du satellite
• G01S 19/25 - Acquisition ou poursuite des signaux émis par le système faisant intervenir des données d'assistance reçues en provenance d'un élément coopérant, p. ex. un GPS assisté

Abrégé

The present disclosure relates to an operation method of a satellite image processing system using a satellite and a ground station. According to the present disclosure, the operation method of the satellite image processing system includes the steps in which: the satellite applies a first non-uniformity correction (NUC) to an image; the satellite compresses the image to which the first NUC has been applied; the satellite transfers the compressed image to the ground station; the ground station decompresses the compression applied to the received image; the ground station applies an inverse non-uniformity correction (INUC) corresponding to the first NUC to the decompressed image; and the ground station applies a second NUC to the image to which the INUC has been applied.

Classes IPC  ?

• H04N 5/21 - Circuits pour la suppression ou la diminution de perturbations, p. ex. moiré ou halo
• H04N 5/926 - Transformation du signal de télévision pour l'enregistrement, p. ex. modulation, changement de fréquenceTransformation inverse pour le surjeu par modulation par impulsions codées
• H04N 7/20 - Adaptations pour la transmission sur une bande de fréquence du domaine des GHz, p. ex. par satellite
• G06T 5/00 - Amélioration ou restauration d'image

Abrégé

Provided is a system for automatically analyzing a cloud cover in an optical satellite image based on machine learning, and more particularly, a system for automatically analyzing a cloud cover in an optical satellite image based on machine learning capable of automatically analyzing a cloud cover in an optical satellite image through a machine learning model that re-defines object classes in the satellite image, classifies indicator characteristics of white ground surfaces, white objects, and the like, which are similar to each other in reflection characteristics, such as snow and ice, and detects a cloud cover on a pixel basis to improve a deterioration in accuracy of a conventional automatic cloud cover analysis method.

Classes IPC  ?

• G06V 20/13 - Images satellite
• G06V 10/764 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant la classification, p. ex. des objets vidéo
• G06V 10/26 - Segmentation de formes dans le champ d’imageDécoupage ou fusion d’éléments d’image visant à établir la région de motif, p. ex. techniques de regroupementDétection d’occlusion
• G06V 10/774 - Génération d'ensembles de motifs de formationTraitement des caractéristiques d’images ou de vidéos dans les espaces de caractéristiquesDispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant l’intégration et la réduction de données, p. ex. analyse en composantes principales [PCA] ou analyse en composantes indépendantes [ ICA] ou cartes auto-organisatrices [SOM]Séparation aveugle de source méthodes de Bootstrap, p. ex. "bagging” ou “boosting”
• G06V 20/70 - Étiquetage du contenu de scène, p. ex. en tirant des représentations syntaxiques ou sémantiques
• G06V 10/776 - ValidationÉvaluation des performances

Abrégé

A method and device for predicting a multi-step ahead taxi-out time using time-series forecasting are provided. The method of predicting a multi-step ahead taxi-out time using time-series forecasting may include calculating an average taxi-out time that is time-invariant for an aircraft, calculating an additional taxi-out time that is time-variant for the aircraft, and predicting a multi-step ahead taxi-out time for the aircraft using the average taxi-out time and the additional taxi-out time.

Classes IPC  ?

• G06Q 10/047 - Optimisation des itinéraires ou des chemins, p. ex. problème du voyageur de commerce
• G06Q 10/0631 - Planification, affectation, distribution ou ordonnancement de ressources d’entreprises ou d’organisations

Abrégé

A drone docking/landing system includes: a docking portion having a shape of any one of a polygonal pyramid, a truncated polygonal pyramid, a cone, and a truncated cone and being capable of docking a drone; and a landing portion mounted at a lower portion of the drone, having a lower portion that is open, into which the docking portion is inserted, and having an empty inner space, wherein the landing portion has a shape of any one of a polygonal pyramid, a truncated polygonal pyramid, a cone, and a truncated cone, wherein the shape corresponds to the shape of the docking portion so that the docking portion is inserted into the landing portion.

Classes IPC  ?

• B64F 1/22 - Installations au sol ou installations pour ponts d'envol des porte-avions pour la manœuvre des aéronefs
• B64C 39/02 - Aéronefs non prévus ailleurs caractérisés par un emploi spécial
• B64C 29/00 - Aéronefs capables d'atterrir ou de décoller à la verticale, p. ex. aéronefs à décollage et atterrissage verticaux [ADAV, en anglais VTOL]
• B64U 10/13 - Plates-formes volantes
• B64U 70/00 - Dispositions pour le lancement, le décollage ou l'atterrissage

Abrégé

The present disclosure relates to a leaf spring type landing gear mounted on a lower portion of a fuselage of an aircraft, and more particularly, to a leaf spring type landing gear having improved performance for mitigation and absorption of shocks, including: a first frame connected to the fuselage and bent to have a circle center below; a second frame connected to the first frame; and a third frame connected to the second frame and at least partially bent to have a circle center below, wherein the second frame includes a 2-1st frame and a 2-2nd frame having circle centers formed in opposite directions and is formed to be bent in an S shape.

Classes IPC  ?

• B64C 25/58 - Aménagements ou adaptations des amortisseurs ou des ressorts
• B64C 25/04 - Disposition sur l'aéronef
• B64C 25/06 - Atterrisseurs fixes
• B64C 25/32 - Trains d'atterrissage caractérisés par les éléments de contact avec le sol ou une surface analogue

Abrégé

Provided is a device for implementing a space environment. More specifically, in order to implement a space environment, while a shroud is disposed inside a vacuum container, an internal pressure of the shroud is controlled to adjust a saturation temperature of working fluid by forming a closed system including a cryogenic refrigerator. As a result, the environment can be implemented at a required temperature. At this time, the pressure can be adjusted by supplying room-temperature gas as working fluid into the closed system, which may result in costs being reduced because there is no need to manage a liquid bombe, and the working fluid injected inside can be used in a recycled manner.

Classes IPC  ?

• B64G 1/50 - Aménagements ou adaptations des dispositifs de contrôle de l'environnement ou des conditions de vie pour la commande de la température
• F17C 7/04 - Vidage des gaz liquéfiés avec changement d'état, p. ex. vaporisation

Abrégé

Disclosed are a positioning system and a positioning method using a low Earth orbit satellite. The positioning system using a low Earth orbit satellite according to the present invention comprises: a generation unit for generating, when a communication period with a ground control station is reached, a first telemetry signal including a time value according to a reference time used by a low Earth orbit satellite; a confirmation unit for confirming, on the basis of a navigation signal received from a navigation satellite, the GNSS time used as a reference by the navigation satellite; an adjustment unit for adjusting the time value in the first telemetry signal so as to be synchronized with the GNSS time; and a transmission unit for broadcast transmitting a second telemetry signal, after the adjustment, so that a positioning receiver on the ground can determine the position by using the second telemetry signal.

Classes IPC  ?

• G01S 19/25 - Acquisition ou poursuite des signaux émis par le système faisant intervenir des données d'assistance reçues en provenance d'un élément coopérant, p. ex. un GPS assisté
• G01S 19/22 - Problèmes liés aux multitrajets
• G01S 19/42 - Détermination de position

Abrégé

A filter manufacturing method and a filter manufactured by the filter manufacturing method are disclosed. The filter manufacturing method includes designating a use mode in a resonator to a first resonance mode, in response to designating to the first resonance mode, setting a band selected from a designated first frequency band to a passband in the resonator, switching the use mode in the resonator from the first resonance mode to a second resonator mode, in response to switching to the second resonance mode, setting a band selected from the first frequency band except for the passband to a stopband in the resonator, and manufacturing a primary filter including the resonator to which the passband and the stopband are set.

Classes IPC  ?

• H01P 11/00 - Appareils ou procédés spécialement adaptés à la fabrication de guides d'ondes, résonateurs, lignes ou autres dispositifs du type guide d'ondes
• H01P 1/20 - Sélecteurs de fréquence, p. ex. filtres
• G06F 30/373 - Optimisation de la conception

Abrégé

Provided is a method of controlling vibration in an artificial satellite vibration test by using a controller and a plurality of shakers installed on an artificial satellite and configured to vibrate at a predetermined frequency. The method includes: performing a pre-test operation in which the controller sets the artificial satellite as a system and calculates a plurality of input values using a frequency response function of the system and an inverse matrix of the frequency response function; determining, by the controller, whether errors, which are differences between target values and a plurality of output values resulting from the plurality of input values, are within a first range; and performing, by the controller depending on results of the determination, single shaker control using one of the plurality of shakers, or multiple shaker control using the plurality of shakers.

Classes IPC  ?

• G01M 7/02 - Test de vibration

Abrégé

According to the present invention, an output inductor, rather than being composed of a separate inductor element, is magnetically coupled to a third inductor and a fourth inductor constituting a second transformer. Thus, compared to the case in which the output inductor is composed of the separate inductor element independently of the third inductor and the fourth inductor, the cost as well as the volume of the DC-DC conversion device can be reduced.

Classes IPC  ?

• H02M 3/158 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs avec commande automatique de la tension ou du courant de sortie, p. ex. régulateurs à commutation comprenant plusieurs dispositifs à semi-conducteurs comme dispositifs de commande finale pour une charge unique
• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
• H02M 1/00 - Détails d'appareils pour transformation
• H02M 1/15 - Dispositions de réduction des ondulations d'une entrée ou d'une sortie en courant continu utilisant des éléments actifs

Abrégé

The present invention relates to a multi-band image generation system and method using a deep-learning network, and to a technology of generating a multi-band image based on an image of a panchromatic band by analyzing a nonlinear relationship between the panchromatic band and each multi-band using a deep-learning network.

Classes IPC  ?

• G06V 10/143 - Détection ou éclairage à des longueurs d’onde différentes
• G06T 5/50 - Amélioration ou restauration d'image utilisant plusieurs images, p. ex. moyenne ou soustraction
• G06V 10/82 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant les réseaux neuronaux
• G06V 20/13 - Images satellite

Abrégé

Disclosed are a high-efficiency integrated power circuit with a reduced number of semiconductor elements and a control method thereof. A high-efficiency integrated power circuit of an integrated converter includes an input port, which is a first port, to which power for driving the integrated converter is input, a non-isolated port, which is a second port, for outputting, to outside the high-efficiency integrated power circuit, an allowable amount of power generated when power input through the input port passes through an inductor, and an isolated port, which is a third port, for conducing remaining power excepting power output through the non-isolated port and for maintaining the conducted remaining power inside the high-efficiency integrated power circuit.

Classes IPC  ?

• H02M 3/335 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu avec transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrodes de commande pour produire le courant alternatif intermédiaire utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
• H02M 1/00 - Détails d'appareils pour transformation
• H02M 3/158 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs avec commande automatique de la tension ou du courant de sortie, p. ex. régulateurs à commutation comprenant plusieurs dispositifs à semi-conducteurs comme dispositifs de commande finale pour une charge unique

Abrégé

A method and apparatus for providing a chart for project schedule management are disclosed. The method of providing a chart for project schedule management may include receiving a user input for at least one task schedule from a user, providing, to a user, a chart including a horizontal axis indicating actual time according to a progress of the at least one task schedule and a vertical axis indicating a target date to complete the at least one task schedule, outputting, on the chart, a project mark related to the at least one task schedule, and outputting an on-time baseline in which the actual time coincides with the target date.

Classes IPC  ?

• G06Q 10/06 - Ressources, gestion de tâches, des ressources humaines ou de projetsPlanification d’entreprise ou d’organisationModélisation d’entreprise ou d’organisation

Abrégé

An electric propulsion aircraft according to an embodiment of the present invention comprises: a fuselage having a power means; a front spar and a rear spar extending from the fuselage to the end of a wing; and a plurality of ribs extending from the rear spar to the front spar and coupled to the front spar and the rear spar, wherein a plurality of solid-state batteries are mounted to a plurality of individual spaces partitioned by the front spar, the rear spar, and the plurality of ribs, and the front spar and the rear spar are used as members for serial connection of the plurality of solid-state batteries and the plurality of ribs are used as members for parallel connection of the plurality of solid-state batteries.

Classes IPC  ?

• B64C 3/32 - Voilures spécialement adaptées pour le montage des groupes propulseurs
• B64D 27/24 - Aéronefs caractérisés par le type ou la position des groupes moteurs utilisant la vapeur ou l'énergie de ressorts
• B64D 27/26 - Aéronefs caractérisés par la structure du montage du groupe moteur

Abrégé

A method for predicting trajectory of an object includes constructing a training data set using past actual orbital information of a target object, wherein the training data set includes a plurality of pairs of input sequence data corresponding to a trajectory in a first section before a reference point, and output sequence data corresponding to a trajectory in a second section after the reference point, training an object trajectory prediction model using the training data set, and predicting the trajectory of the prediction target object after the reference point, by inputting input sequence data corresponding to an actual trajectory of the prediction target object before the reference point into the object trajectory prediction model.

Classes IPC  ?

• B64G 3/00 - Observation ou poursuite des véhicules astronautiques
• G06N 3/08 - Méthodes d'apprentissage

Abrégé

A landing apparatus for a reusable launch vehicle is provided, including a landing leg pivotably mounted at one end to the reusable launch vehicle, for example, to a propellant tank part, and mounted at the other end to the propellant tank part by a detaching means such as a pyro bolt for example, a cover mounted to an outside of the landing leg along a longitudinal direction of the landing leg, and a leg landing plate mounted to a distal end of the landing leg and relatively pivotable with respect to the landing leg by its own weight when the other end of the landing leg is separated from the propellant tank part.

Classes IPC  ?

• B64G 1/62 - Systèmes de retour sur terreDispositifs de freinage ou d'atterrissage
• B64G 1/00 - Véhicules spatiaux

Abrégé

Provided are a method and a system for transmitting multiple data, in which the method includes receiving a plurality of transmission files for transmission from a transmission device of the first network to a reception device of the second network, and temporarily storing the received files, generating flexible packets by dividing each of the plurality of transmission files by a flexible packet length determined according to size of the files, in which a transmission file in a size smaller than the flexible packet length among the plurality of transmission files is generated as one flexible packet without being divided, loading the flexible packets into a plurality of flexible frames based on a corresponding transmission file priority according to a maximum data transmission size, and transmitting the plurality of flexible frames to the second network.

Classes IPC  ?

• H04L 1/00 - Dispositions pour détecter ou empêcher les erreurs dans l'information reçue
• H04L 67/06 - Protocoles spécialement adaptés au transfert de fichiers, p. ex. protocole de transfert de fichier [FTP]
• H04L 9/40 - Protocoles réseaux de sécurité

Abrégé

Provided is a system for controlling an RPM of a propeller and a rotor of a flight vehicle having multiple power units including: a collective pitch angle command generating unit generating a collective pitch angle command upon receiving a thrust control command from a pilot or an automatic controller; a disturbance factor compensating unit for generating an RPM compensation electronic speed control (ESC) command for compensating for an RPM error, and an electronic speed adjustment command generating unit generating a final ESC command upon receiving a collective command input or derived in the process of generating the collective pitch angle command by the collective pitch angle command generating unit and the RPM compensation ESC command generated by the disturbance factor compensating unit. RPMs of motors of a flight vehicle having a plurality of propellers and rotors may be maintained to be the same.

Classes IPC  ?

• B64D 31/12 - Dispositifs amorçant la mise en œuvre actionnés automatiquement pour équilibrer ou synchroniser les groupes moteurs
• B64C 11/30 - Mécanismes de changement de pas des pales
• B64C 27/56 - Mécanismes pour la commande du réglage ou du mouvement de la pale par rapport à la tête du rotor, p. ex. mouvement de traînée caractérisés par les dispositifs de déclenchement de la commande, p. ex. à commande manuelle
• B64U 50/19 - Propulsion utilisant des moteurs électriques

Abrégé

Provided is a control surface load simulation apparatus including a reaction force providing structure. The control surface load simulation apparatus includes a first support surface, a second support surface apart from the first support surface in a height direction, a control surface located between the first support surface and the second support surface, an actuator connected to the second support surface and configured to apply a certain load to the control surface, and a reaction force providing structure connected to the first support surface and the control surface to be movable relative to the first support surface and the control surface, the reaction force providing structure being configured to apply a reaction force corresponding to the load to the control surface.

Classes IPC  ?

• G01M 5/00 - Examen de l'élasticité des structures ou ouvrages, p. ex. fléchissement de ponts ou d'ailes d'avions
• B64F 5/60 - Test ou inspection des composants ou des systèmes d'aéronefs

Abrégé

A combustor of a liquid rocket engine includes a nozzle unit including a regenerative cooling channel, in which the nozzle unit includes a fuel manifold outer shell, a combustor inner shell, and a combustor outer shell having a downward channel inlet, and the combustor includes a fuel inlet connected to a nozzle neck of the nozzle unit, a fuel manifold formed between the fuel manifold outer shell and the combustor outer shell, and in which fuel introduced from the fuel inlet flows, a downward channel connected in communication with the fuel manifold through the downward channel inlet, and extending in a downward direction from an upper portion of the combustor, a diverting manifold provided at a distal end of the nozzle unit and connected in communication with the downward channel, and an upward channel connected in communication with the diverting manifold and extending in an upward direction of the combustor.

Classes IPC  ?

• F02K 9/64 - Chambres de combustion ou de poussée comportant des aménagements pour le refroidissement
• F02K 9/97 - Tuyères de fusée
• F02K 9/44 - Alimentation en propergols

Abrégé

A fiber winding device according to an embodiment comprises: a spool assembly including a plurality of bobbins provided around a spiral wire in a circumferential direction to form a spool surface; a guide ring provided at a front part of the center of the spool assembly in a direction oblique to the spool surface; and a wire transfer unit for transferring the spiral wire to pass through the guide ring, wherein a wire is disposed to perpendicularly pass through the center of the guide ring, the spool assembly is disposed in a direction oblique to the wire, and fibers from the plurality of bobbins are wound on the spiral wire along the guide ring. In addition, by sequentially arranging a plurality of fiber winding devices along the spiral wire, fibers in multiple layers can be wound on one spiral wire sequentially and continuously.

Classes IPC  ?

• B29C 53/58 - Enroulement et assemblage, p. ex. enroulement en spirale hélicoïdal
• B29C 53/80 - Éléments constitutifs, détails ou accessoiresOpérations auxiliaires
• B29C 53/82 - Noyaux ou mandrins
• B65H 81/08 - Garnissage ou habillage des noyaux allongés en alimentant le matériau obliquement par rapport à l'axe du mandrin
• B65H 54/10 - Bobinage et va-et-vient du matériau sur noyaux, bobines, tubes ou sur mandrins ou gabarits pour paquets analogues pour la confection de paquets de forme particulière ou autour de types particuliers de bobines, tubes, mandrins ou gabarits
• B65H 54/02 - Bobinage et va-et-vient du matériau sur noyaux, bobines, tubes ou sur mandrins ou gabarits pour paquets analogues
• B65H 59/38 - Réglage ou commande de la tension du matériau filiforme, p. ex. pour empêcher les vrillesUtilisation d'indicateurs de tension par régulation de la vitesse du mécanisme d'entraînement des dispositifs de déroulage, de dévidage, d'avance, d'enroulement ou d'emmagasinage, p. ex. en réaction automatique aux variations de tension
• B65H 51/04 - Rouleaux, poulies, cabestans ou éléments rotatifs à prise à engrenages
• B65H 61/00 - Utilisation de dispositifs pour mesurer des longueurs prédéterminées du matériau pendant son défilement
• B29L 31/00 - Autres objets particuliers

Abrégé

An orbit transition apparatus that transitions an orbit of a payload in outer space includes a rotating body, an adapter disposed on a center part of the rotating body for docking a payload, a launch module disposed outside of the rotating body for launching the payload, and a thruster for rotating the rotating body. The launch module may launch the payload to a target orbit.

Classes IPC  ?

• B64G 1/28 - Appareils de guidage ou de commande, p. ex. de commande d'assiette par inertie ou par effet gyroscopique
• B64G 1/00 - Véhicules spatiaux
• B64G 1/10 - Satellites artificielsSystèmes de tels satellitesVéhicules interplanétaires
• B64G 1/24 - Appareils de guidage ou de commande, p. ex. de commande d'assiette

Abrégé

A method of optimizing driving of an antenna for communication of an artificial satellite, by controlling a rotation angle of the antenna, according to an embodiment of the disclosure, includes: receiving a basic profile indicating a change in a rotation angle of the antenna such that a center line of the antenna points to a ground station in response to movement of the artificial satellite; determining a processing section with reference to points at which a rotation velocity of the antenna, for the basic profile, is zero; and generating an optimization profile that determines the change in the rotation angle of the antenna by configuring the rotation velocity of the antenna, for the processing section, with a preset optimized rotation velocity.

Classes IPC  ?

• H01Q 3/08 - Dispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne utilisant un mouvement mécanique de l'ensemble d'antenne ou du système d'antenne pour faire varier deux coordonnées de l'orientation
• H01Q 3/00 - Dispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne
• H04B 7/185 - Stations spatiales ou aériennes

Abrégé

A projectile landing apparatus for retrieving a projectile includes a plurality of grippers disposed to be spaced apart. The plurality of grippers may include a support, a guide having one side connected to one end of the support, and a shock absorber having one end connected to the other end of the support and having the other end connected to the guide. The plurality of grippers may guide a projectile, buffer a load, and safely retrieve the projectile.

Classes IPC  ?

• B64F 1/02 - Installations au sol ou installations pour ponts d'envol des porte-avions pour l’arrêt des aéronefs, p. ex. filets ou câbles

Abrégé

The present disclosure relates to a rocket engine, and more particularly, a rocket engine with an integrated combustor head and turbopump in which a turbopump of the rocket engine is formed integrally with a combustor head.

Classes IPC  ?

• F02K 9/46 - Alimentation en propergols utilisant des pompes

Abrégé

The present invention relates to a method for estimating a bit error probability using the error rate ratio of a frame synchronization word, wherein the method lowers computational complexity and thus can be implemented relatively simply and economically at a high computational speed. The method comprises the steps of: a) defining the error rate ratio of a frame synchronization word; b) setting a least squares cost function having weights of at least 0 for the bit error probability by using the error rate ratio of the frame synchronization word defined in step a); c) obtaining bit error probability estimation values minimizing the cost function defined in step b); and d) sequentially obtaining the weights so that the mean squared error of the bit error probability estimation values in step c) becomes smaller.

Classes IPC  ?

• H04L 1/20 - Dispositions pour détecter ou empêcher les erreurs dans l'information reçue en utilisant un détecteur de la qualité du signal
• H04L 7/04 - Commande de vitesse ou de phase au moyen de signaux de synchronisation

Abrégé

The present invention relates to a combustor including a heat exchange structure and a rocket comprising same. The combustor according to an embodiment of the present invention comprises: an inner wall; an outer jacket arranged to cover the outer surface of the inner wall; a plurality of first heat exchange channels which are disposed between the inner wall and the outer jacket and through which fuel introduced from a fuel tank flows; and a second heat exchange channel which is disposed between the inner wall and the outer jacket and through which pressurized gas introduced from a pressurized gas tank flows.

Classes IPC  ?

• F02K 9/64 - Chambres de combustion ou de poussée comportant des aménagements pour le refroidissement
• F02K 9/44 - Alimentation en propergols

Abrégé

The flow rate control device includes a main plate corresponding to an inner diameter and including a through hole which is formed at the center thereof and through which a fluid flows, a sub-plate corresponding to a size of the through hole, disposed in front of the main plate, and applied with a pressure of the flowing fluid, and an expansion and contraction flow path formed to connect the through hole and a circumference of the sub-plate to each other and expanded and contracted by the pressure applied to the sub-plate. The expansion and contraction flow path includes a plurality of holes which are formed in a side surface thereof and through which the flow flows, and has a cross-sectional area changed by the pressure to control a flow rate.

Classes IPC  ?

• G05D 7/01 - Commande de débits sans source d'énergie auxiliaire
• F02K 9/60 - Parties de leur structureDétails non prévus ailleurs

Abrégé

The present invention relates to a heat switch device using a cryogenic loop heat pipe and a method therefor and, more specifically, to a heat switch device using a cryogenic loop heat pipe and a method therefor, wherein the cryogenic loop heat pipe is configured to be operable at a cryogenic temperature, the heat switch device can perform the operation of a heat switch for heat transfer and heat blocking, by using the structure of the cryogenic loop heat pipe, without a separate heat switch, thereby reducing the weight and complexity of a system, compared to a conventional configuration, the heat switch can be operated at a user's desired time, and the heat switch device can be used even in a cryogenic environment, and performs heat exchange by using a gas-liquid phase change, thereby effectively providing high heat transfer and heat blocking effects.

Classes IPC  ?

• H01H 37/36 - Éléments thermosensibles actionnés par l'expansion ou la contraction d'un fluide avec ou sans vaporisation

Abrégé

An injection device for injecting an oxidizer for a liquid rocket includes a housing, a plate disposed inside the housing and having an injection hole to eject an oxidizer, a duct disposed above the plate to guide the oxidizer, and a manifold with one end connected to the injection hole of the plate and the other end connected to the duct, wherein the oxidizer may be distributed to the injection hole at an equal flow rate.

Classes IPC  ?

• F02K 9/52 - Injecteurs
• F02K 9/95 - Moteurs-fusées, c.-à-d. ensembles fonctionnels portant à la fois le combustible et son oxydantLeur commande caractérisés par des moyens ou des aménagements de démarrage ou d'allumage
• F02K 9/60 - Parties de leur structureDétails non prévus ailleurs
• B33Y 80/00 - Produits obtenus par fabrication additive

Abrégé

Provided is an integrated DC/DC and AC/DC converter system including a main relay selectively connected to any one of an AC power supply unit and a DC power supply unit and a controller connecting the main relay to the AC power supply unit or the DC power supply unit. Electrical energy based on the AC power output from the AC power supply and electrical energy based on DC power output from the DC power supply unit may be selectively provided to a load.

Classes IPC  ?

• H02M 1/10 - Dispositions comprenant des moyens de conversion, pour permettre l'alimentation à volonté d'une charge par des sources de puissance de nature différente, p. ex. à courant alternatif ou à courant continu
• H02M 3/335 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu avec transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrodes de commande pour produire le courant alternatif intermédiaire utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
• H02J 7/02 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries pour la charge des batteries par réseaux à courant alternatif au moyen de convertisseurs
• B60L 53/22 - Détails de structure ou aménagements des convertisseurs de charge spécialement adaptés pour recharger des véhicules électriques
• B60L 53/51 - Panneaux photovoltaïques
• B60L 53/10 - Procédés de chargement de batteries spécialement adaptées aux véhicules électriquesStations de charge ou équipements de charge embarqués pour ces batteriesÉchange d'éléments d’emmagasinage d'énergie dans les véhicules électriques caractérisés par le transfert d’énergie entre la station de charge et le véhicule

Abrégé

Provided are an igniter-integrated thrust chamber for a rocket engine using a cryogenic fuel and liquid oxygen and a rocket including the thrust chamber. The thrust chamber includes a combustion chamber and a mixing head assembly, which is disposed at one side of the combustion chamber and is integrated with the combustion chamber.

Classes IPC  ?

• F02K 9/95 - Moteurs-fusées, c.-à-d. ensembles fonctionnels portant à la fois le combustible et son oxydantLeur commande caractérisés par des moyens ou des aménagements de démarrage ou d'allumage
• F02K 9/52 - Injecteurs
• F02K 9/64 - Chambres de combustion ou de poussée comportant des aménagements pour le refroidissement

Abrégé

A multiple data transmission method and a multiple data transmission system are disclosed. A multiple data transmission system, according to one embodiment of the present invention, comprises: an identification unit for identifying, from among a plurality of separated networks, a first network to which a transmission device requesting data transmission belongs; a generation unit for generating a data packet by adding a destination address set for the first network as a header to data transmitted from the transmission device; and a transmission unit for transmitting the data packet to a reception device identified by the destination address, through a transmission path which connects the first network and a second network to which the reception device belongs.

Classes IPC  ?

• H04L 29/06 - Commande de la communication; Traitement de la communication caractérisés par un protocole
• H04L 12/707 - Prévention ou récupération du défaut de routage, p.ex. reroutage, redondance de route "virtual router redundancy protocol" [VRRP] ou "hot standby router protocol" [HSRP] par redondance des chemins d’accès
• H04L 12/741 - Traitement de l'adressage d’en-tête pour le routage, p.ex. table de correspondance

Abrégé

The present invention relates to an apparatus and a method for simulating a satellite mission operating state. The apparatus, according to the present invention, comprises: a satellite operation procedure rule definition unit for registering a satellite operation procedure rule which defines a satellite operation procedure keyword and attribute corresponding to a satellite's state of performing a mission of interest; a satellite operation procedure processing unit for receiving a satellite operation procedure which includes a series of operation procedures prepared for the satellite to perform the mission, and extracting, from the received satellite operation procedure, a keyword and attribute value corresponding to the keyword and attribute included in the registered satellite operation procedure rule a mission list storage unit for storing a list of mission performance actions arranged in the order of execution time, wherein the mission performance actions correspond to the extracted keyword and attribute value; an orbit data storage unit for storing orbit data of the satellite; a time management unit for providing a current time; and a control unit for confirming an orbit and the mission performance action corresponding to the current time from the orbit data of the satellite and the mission list, and causing the satellite's state of performing the mission of interest to be visually displayed.

Classes IPC  ?

• B64G 3/00 - Observation ou poursuite des véhicules astronautiques
• B64G 1/24 - Appareils de guidage ou de commande, p. ex. de commande d'assiette
• B64G 7/00 - Simulation des conditions d'ambiance astronautique, p. ex. pour la préparation des équipages

Abrégé

A method according to the present invention comprises the steps of: dividing SAR raw data into one or more sub-aperture data by a predetermined number in an azimuth direction; performing a spectral length extension FFT on the sub-aperture data in the azimuth direction; multiplying the sub-aperture data by a chirp scaling function; performing a range FFT on the sub-aperture data; performing range compression, SRC, and a bulk RCMC on the sub-aperture data; performing an inverse chirp-z transform on the sub-aperture data in a range direction; multiplying the divided sub-aperture data by a predetermined first function; performing an IFFT on the sub-aperture data in the azimuth direction; recombining the sub-aperture data; multiplying the recombined data by a second function and deramping same; performing an azimuth FFT on the recombined data; performing an azimuth IFFT on the recombined data; multiplying the recombined data by a third function and deramping same; performing the azimuth FFT on the recombined data; performing azimuth compression by multiplying the recombined data by a fourth function; performing an azimuth inverse chirp-z transform on the recombined data; and multiplying the recombined data by a fifth function for phase preservation.

Classes IPC  ?

• G01S 13/90 - Radar ou systèmes analogues, spécialement adaptés pour des applications spécifiques pour la cartographie ou la représentation utilisant des techniques d'antenne synthétique
• G06T 5/10 - Amélioration ou restauration d'image utilisant le filtrage dans le domaine non spatial
• G06T 7/11 - Découpage basé sur les zones

Abrégé

An alternating current (AC)-to-direct current (DC) (AC-DC) converter circuit system, and a method of designing the AC-DC converter circuit system. The AC-DC converter circuit system includes an AC-DC converter configured to receive an AC grid input from an electric power source and convert the AC grid input into DC battery power. The AC-DC converter may include a primary transformer including a plurality of field-effect transistors (FETs), and a secondary transformer configured to allow the DC battery power to be output from a grid that is allowed to have a positive value by the primary transformer.

Classes IPC  ?

• H02M 7/217 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
• H02M 1/42 - Circuits ou dispositions pour corriger ou ajuster le facteur de puissance dans les convertisseurs ou les onduleurs

Abrégé

The present invention relates to an offset-applied momentum dump method for a satellite reaction wheel. The purpose of the present invention is to provide an offset-applied momentum dump method for a satellite reaction wheel, in which an appropriate offset is applied to an originally designed momentum dump to enable safer and more efficient operation of a satellite.

Classes IPC  ?

• B64G 1/28 - Appareils de guidage ou de commande, p. ex. de commande d'assiette par inertie ou par effet gyroscopique
• B64G 1/10 - Satellites artificielsSystèmes de tels satellitesVéhicules interplanétaires

Abrégé

An infusion flow regulator includes: a main body having an inlet through which fluid is introduced and an outlet through which the fluid is discharged; and a rotary dial rotatably coupled to the main body, with a sealing member interposed therebetween, so as to regulate a flow rate of the fluid, in which the rotary dial includes a regulating flow path having a shape of a recessed groove in cross section with a first width and a first height, and the regulating flow path includes a first region in which the first width is constant and the first height is decreased, and a second region in which both the first width and the first height are decreased. By the aforementioned configuration, the infusion flow regulator for the fluid can accurately regulate the flow rate even in a region where the flow rate of the fluid is very small.

Classes IPC  ?

• A61M 5/168 - Moyens pour commander l'écoulement des agents vers le corps ou pour doser les agents à introduire dans le corps, p. ex. compteurs de goutte-à-goutte

Abrégé

A method for optimizing antenna driving by controlling the rotation angle of an antenna for communication of an artificial satellite, according to one embodiment of the present invention, comprises the steps of: receiving a basic profile for indicating a change in the rotation angle of the antenna so that the central line of the antenna is directed toward a terrestrial station in response to movement of the artificial satellite; determining a processing interval on the basis of the point at which the rotation speed of the antenna becomes 0 with respect to the basic profile; and configuring the rotation speed of the antenna to be a preset optimization rotation speed with respect to the processing interval, thereby generating an optimization profile that determines a change in the rotation angle of the antenna.

Classes IPC  ?

• H01Q 3/08 - Dispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne utilisant un mouvement mécanique de l'ensemble d'antenne ou du système d'antenne pour faire varier deux coordonnées de l'orientation
• H01Q 1/28 - Adaptation pour l'utilisation dans ou sur les avions, les missiles, les satellites ou les ballons
• H01Q 1/08 - Moyens pour replier tout ou partie des antennes
• H01Q 5/25 - Systèmes à ultralarge bande, p. ex. systèmes à résonnance multipleSystèmes à impulsions

Abrégé

According to the present invention, an output inductor, rather than being composed of a separate inductor element, is magnetically coupled to a third inductor and a fourth inductor constituting a second transformer. Thus, compared to the case in which the output inductor is composed of the separate inductor element independently of the third inductor and the fourth inductor, the cost as well as the volume of the DC-DC conversion device can be reduced.

Classes IPC  ?

• H02M 3/335 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu avec transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrodes de commande pour produire le courant alternatif intermédiaire utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
• H02M 1/08 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques

Abrégé

The present invention relates to a system for controlling the propeller and rotor RPM of an aerial vehicle having multiple power devices, the system comprising: a collective pitch angle command generation unit for generating a collective pitch angle command by receiving a thrust control command of a pilot or an automatic controller; a disturbance element compensation unit for generating an RPM-compensating ESC command for compensating for an RPM error; and an electronic speed control command generation unit for generating a final ESC command by receiving a collective command, inputted or derived in the process of generating the collective pitch angle command in the collective pitch angle command generation unit, and the RPM-compensating ESC command generated in the disturbance element compensation unit. Thus, the respective RPMs of motors of the aerial vehicle having a plurality of propellers and rotors may be maintained so as to be identical to each other.

Classes IPC  ?

• B64D 31/12 - Dispositifs amorçant la mise en œuvre actionnés automatiquement pour équilibrer ou synchroniser les groupes moteurs
• B64C 27/56 - Mécanismes pour la commande du réglage ou du mouvement de la pale par rapport à la tête du rotor, p. ex. mouvement de traînée caractérisés par les dispositifs de déclenchement de la commande, p. ex. à commande manuelle
• B64D 27/24 - Aéronefs caractérisés par le type ou la position des groupes moteurs utilisant la vapeur ou l'énergie de ressorts

Abrégé

The present invention relates to a satellite provided with reaction wheels having a zero crossing-preventing arrangement structure and rotational direction. A purpose of the present invention is to provide a satellite provided with reaction wheels having a zero crossing-preventing arrangement structure and rotational direction, the satellite having at least five reaction wheels arranged thereon, whereby zero crossing may be prevented regardless of whether a momentum bias is used, and even when some of the wheels fail, zero crossing may be prevented, and satellite attitude control may be carried out in the normal way.

Classes IPC  ?

• B64G 1/28 - Appareils de guidage ou de commande, p. ex. de commande d'assiette par inertie ou par effet gyroscopique
• B64G 1/24 - Appareils de guidage ou de commande, p. ex. de commande d'assiette

Abrégé

Various embodiments provide a method for determining a specific area, a method for generating an on-board map, and a method for determining a direction of a lander. The method for determining a specific area is performed by a computing device, and comprises the steps of: determining an observation region and a plurality of candidate areas within the observation region; labeling location information on each of a plurality of images in which at least a part of the observation region is shown; training an artificial neural network based on a convolutional neural network on the basis of the plurality of images labeled with the location information, so that each of the plurality of candidate areas can be searched for in each of the plurality of images; evaluating searchability of each of the plurality of candidate areas on the basis of the trained artificial neural network; and determining at least a part of the plurality of candidate areas as specific areas on the basis of the searchability of each of the plurality of candidate areas.

Classes IPC  ?

• G08G 5/02 - Aides pour l'atterrissage automatique, c. à d. systèmes dans lesquels les données des vols d'avions arrivant sont traitées de façon à fournir les données d'atterrissage
• G08G 5/00 - Systèmes de contrôle du trafic aérien
• G06N 3/08 - Méthodes d'apprentissage

Abrégé

An integrated hybrid power apparatus provided in a flying body includes a generator including a stator and a rotor, at least one engine disposed adjacent to the generator and including a cylinder, and a cooler configured to cool the generator and the engine and perform water-cooling that allows a coolant to circulate in the generator and the engine.

Classes IPC  ?

• F01P 3/02 - Disposition du refroidissement des cylindres ou des hauts de cylindres
• F01P 3/14 - Disposition du refroidissement d'autres parties des moteurs ou "machines" pour le refroidissement des soupapes d'admission ou d'échappement
• F02F 1/40 - Culasses de cylindres avec moyens pour diriger, guider ou diffuser le liquide

Abrégé

The present invention relates to a method for determining a flight path for swarm flight of multiple aerial vehicles. More specifically, the present invention relates to a method for determining a flight path for swarm flight of multiple aerial vehicles, the flight path of which is controlled according to a flight control signal from a ground station, the method comprising: a location receiving step (S100) in which the ground station receives current location information of each of the multiple aerial vehicles; a path generating step (S200) of generating a predicted movement path of each of the multiple aerial vehicles by using target shape information that is input from the outside; a path analysis step (S300) of successively selecting the multiple aerial vehicles one after another, determining, with regard to a selected aerial vehicle, whether a predicted movement path of another aerial vehicle is included in a predetermined area of the predicted movement path generated in the path generating step (S200), and configuring a flight layer in which each of the multiple aerial vehicles is to be positioned during a flight; and a flight control step (S400) of generating the flight control signal of each of the multiple aerial vehicles by using the predicted movement path of each of the multiple aerial vehicles and the configured flight layer.

Classes IPC  ?

• G08G 5/00 - Systèmes de contrôle du trafic aérien
• G05D 1/10 - Commande de la position ou du cap dans les trois dimensions simultanément

Abrégé

A power system according to an embodiment of the present invention is formed such that a path having a higher power transmission efficiency to a load can be selected in real time by means of changing a control method of a converter switch provided inside a boost converter, even without adding a separate device to an existing power system. The power system according to an embodiment of the present invention has an enhanced power transmission efficiency from a power source unit to a load.

Classes IPC  ?

• H02J 7/35 - Fonctionnement en parallèle, dans des réseaux, de batteries avec d'autres sources à courant continu, p. ex. batterie tampon avec des cellules sensibles à la lumière
• H02M 3/156 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs avec commande automatique de la tension ou du courant de sortie, p. ex. régulateurs à commutation
• H02M 3/158 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs avec commande automatique de la tension ou du courant de sortie, p. ex. régulateurs à commutation comprenant plusieurs dispositifs à semi-conducteurs comme dispositifs de commande finale pour une charge unique
• H02M 3/155 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
• H02S 40/38 - Moyens de stockage de l’énergie, p. ex. batteries, structurellement associés aux modules PV

Abrégé

The present specification relates to a safe landing point search device for searching for a safe landing point for an unmanned exploration device which lands and explores a celestial body, the safe landing point search device comprising: a terrain map acquisition unit for acquiring a terrain map; a contour line generation unit for generating contour lines on the basis of a reference minimum height value and a height interval value by using the terrain map; an LEC search unit for searching for one or more LECs having a radius greater than or equal to a lower limit radius in a contour line map including the contour lines; and a safe landing point output unit for outputting a safe landing point having the largest radius among the one or more LECs, and transmitting the output safe landing point to the unmanned exploration device.

Classes IPC  ?

• B64G 1/66 - Aménagements ou adaptations d'appareils ou d'instruments, non prévus ailleurs
• B64G 1/10 - Satellites artificielsSystèmes de tels satellitesVéhicules interplanétaires

Abrégé

A method of manufacturing an orifice is provided to make the orifice capable of spraying a very small amount of fluid in an ultra-high pressure and very low temperature environments. The method also makes it possible to provide the orifice with reduced volume and mass. More specifically, the method effectively realizes a desired hydraulic performance through a simple manufacturing method in which a part of a capillary pipe is pressed to form a channel region having a cross section close to a rectangular shape.

Classes IPC  ?

• F02M 61/18 - Buses d'injection, p. ex. comportant des sièges de clapets
• B21D 41/04 - RétrécissementFermeture
• B05B 17/04 - Appareils de pulvérisation ou d'atomisation de liquides ou d'autres matériaux fluides, non couverts par les autres groupes de la présente sous-classe opérant suivant des procédés particuliers

Abrégé

The present invention relates to a device for operating a navigation satellite on the basis of a code division transmission array antenna and a method for operating a navigation satellite. The device for operating a navigation satellite on the basis of a code division transmission array antenna, according to the present invention, comprises: a code generation unit for allocating a spread spectrum code to each of a plurality of antennas; a determination unit for determining, as transmission-end antennas, at least some of the plurality of antennas, to which different spread spectrum codes are allocated; and a processing unit, which arranges each of the transmission-end antennas at predetermined coordinates such that a plurality of signals transmitted from the transmission-end antennas are transmitted to reception-end antennas through multiple paths.

Classes IPC  ?

• H04B 1/69 - Techniques d'étalement de spectre
• H04B 7/185 - Stations spatiales ou aériennes

Abrégé

The present invention provides blade structure testing equipment comprising: a mounting jig to which one end of a blade specimen is mounted; a grip member to which the other end of the blade specimen is coupled; and a wire (W) having one end attached to the grip member to apply a tensile force to the blade specimen in a direction at a certain angle with respect to the ground. Also, the present invention provides a method for testing a blade specimen, the method comprising: a first step of coupling one end of the blade specimen to a mounting jig and the other end of the blade specimen to a grip member; a second step of determining the values of a centrifugal force, a flap moment, and a lag moment that are to be applied to the blade specimen; a third step of determining the magnitude and direction of a tensile force to be applied to the blade specimen, on the basis of the values determined in the second step; and a fourth step of attaching one end of a wire to the grip member and applying a tensile force to the blade specimen by means of the wire at the magnitude and in the direction of the tensile force determined in the third step.

Classes IPC  ?

• G01M 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe

Abrégé

The flying object according to one embodiment comprises: a main body; a main wing formed on a side surface of the main body; a duct-shaped first propulsion part which is provided outside the main wing and can be tilted; a second propulsion part arranged behind the main body; horizontal tail wings formed on both side surfaces of the second propulsion part; and a control part for controlling the movement of the first propulsion part, second propulsion part, and horizontal tail wings, wherein the control part controls the second propulsion part and the horizontal tail wings according to the tilt angle of the first propulsion part.

Classes IPC  ?

• B64C 29/00 - Aéronefs capables d'atterrir ou de décoller à la verticale, p. ex. aéronefs à décollage et atterrissage verticaux [ADAV, en anglais VTOL]
• B64C 3/38 - Réglage des ailes complètes ou de certaines parties de ces ailes
• B64C 5/02 - Plans fixes horizontaux
• B64C 5/06 - Plans fixes verticaux
• B64C 5/10 - Surfaces stabilisatrices réglables
• B64C 13/02 - Dispositifs amorçant la mise en œuvre
• B64C 27/20 - Giravions caractérisés par le fait qu'ils possèdent des rotors haubanés, p. ex. plates-formes volantes
• B64D 31/02 - Dispositifs amorçant la mise en œuvre

Abrégé

The present invention provides a device configured to effectively absorb repeated shock energy such as a vibration shock by using a composite tube, and the present invention has advantageous effects in that the shock energy caused by a tensile or compressive shock load may be effectively absorbed by the composite tube, and the shock energy absorption device may be applied to a building and used as a vibration control device capable of preparing for repeated earthquakes.

Classes IPC  ?

• E04B 1/98 - Protection contre d'autres agents indésirables ou dangers contre les vibrations ou les chocsProtection contre d'autres agents indésirables ou dangers contre les destructions mécaniques, p. ex. par les raids aériens
• F16F 15/02 - Suppression des vibrations dans les systèmes non rotatifs, p. ex. dans des systèmes alternatifsSuppression des vibrations dans les systèmes rotatifs par l'utilisation d'organes ne se déplaçant pas avec le système rotatif
• F16F 13/00 - Ensembles comportant des ressorts du type non à fluide ainsi que des amortisseurs de vibrations, des amortisseurs de chocs ou des ressorts à fluide
• E04H 9/02 - Bâtiments, groupes de bâtiments ou abris conçus pour résister à des situations extérieures anormales, p. ex. à des bombardements, à des séismes ou à des climats extrêmes, ou pour se protéger de ces situations résistant aux séismes ou à l'effondrement du sol

Abrégé

A drone according to an embodiment comprises: a main body; a propulsion unit which is provided outside the main body and generates thrust; a first rotation stabilizing unit which is provided inside the main body or on the top surface of the main body to generate an angular velocity with respect to the Yaw axis of the main body; and a control unit for controlling driving of the first rotation stabilizing unit, wherein, when a malfunction occurs in the propulsion unit, the control unit can prevent the occurrence of tumbling by driving the first rotation stabilizing unit to stabilize the posture of the main body.

Classes IPC  ?

• B64C 39/02 - Aéronefs non prévus ailleurs caractérisés par un emploi spécial
• B64C 15/14 - Commande de l'assiette, de la direction du vol ou de l'altitude par jets réactifs les jets étant autres que les jets propulsifs principaux
• B64D 17/80 - Parachutes fonctionnant en conjonction avec l'aéronef, p. ex. pour le freinage de celui-ci
• B64D 25/00 - Appareils ou dispositifs pour circonstances critiques, non prévus ailleurs
• B64C 25/56 - Flotteurs gonflables
• G05D 1/08 - Commande de l'attitude, c. à d. élimination ou réduction des effets du roulis, du tangage ou des embardées

Abrégé

Provided is a vertical take-off/landing aircraft controlling a tilt angle of a main rotor, based on a vertical posture control signal during low-speed flight, wherein, when an aircraft steering signal including a vertical posture control signal for changing the pitch posture angle of the vertical take-off/landing aircraft by a first pitch posture angle is obtained, a flight controller determines a tilt angle of the main rotor with reference to the first pitch posture angle and generates a tilt angle control signal for the main rotor based on the determined tilt angle.

Classes IPC  ?

• G05D 1/00 - Commande de la position, du cap, de l'altitude ou de l'attitude des véhicules terrestres, aquatiques, aériens ou spatiaux, p. ex. utilisant des pilotes automatiques
• G05D 1/10 - Commande de la position ou du cap dans les trois dimensions simultanément
• B64C 27/82 - GiravionsRotors propres aux giravions caractérisés par l'existence d'un rotor auxiliaire ou d'un dispositif à jet fluide pour contrebalancer le couple du rotor de sustentation ou faire varier la direction du giravion
• G05D 1/08 - Commande de l'attitude, c. à d. élimination ou réduction des effets du roulis, du tangage ou des embardées
• B64C 27/52 - Basculement de l'ensemble du rotor par rapport au fuselage

Abrégé

Provided is a method of designing a low-pressure chamber that provides a preset air pressure corresponding to a predetermined altitude. The method may include the steps of: calculating a predetermined error range of the preset air pressure, and calculating an amount and types of materials of a getter to be inserted into the low-pressure chamber based on the error range and a total volume of the low-pressure chamber.

Classes IPC  ?

• B01L 1/02 - Chambres pressuriséesLeurs sas
• F04B 37/04 - Emploi de matériaux spécifiés pour l'absorption ou l'adsorption
• B01J 20/02 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation contenant une substance inorganique
• B01J 20/04 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation contenant une substance inorganique contenant des composés des métaux alcalins, des métaux alcalino-terreux ou du magnésium
• B01J 20/20 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation contenant une substance inorganique contenant du carbone libreCompositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation contenant une substance inorganique contenant du carbone obtenu par des procédés de carbonisation
• G01L 13/00 - Dispositifs ou appareils pour la mesure des différences entre plusieurs valeurs de la pression des fluides