An information processing device includes an acquisition unit that acquires an inference object image and a learned model, an inference unit that makes an inference by using the inference object image and the learned model, a generation unit that generates a heat map by using an inference result, an extraction unit that extracts a plurality of features based on the heat map, and a relearning processing unit. The generation unit generates a plurality of modification images by using the inference object image. The inference unit makes the inference by using the modification images and the learned model. The generation unit generates heat maps by using a plurality of inference results. When an inference basis is erroneous, the relearning processing unit generates relearning data, in which the feature indicated by the inference basis has been modified, by using learning data and relearns the learned model.
G06V 10/778 - Apprentissage de profils actif, p. ex. apprentissage en ligne des caractéristiques d’images ou de vidéos
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 10/56 - Extraction de caractéristiques d’images ou de vidéos relative à la couleur
G06V 10/776 - ValidationÉvaluation des performances
G06V 40/10 - Corps d’êtres humains ou d’animaux, p. ex. occupants de véhicules automobiles ou piétonsParties du corps, p. ex. mains
A motor driver includes an inverter that converts a DC voltage into an AC voltage and applies the AC voltage to an AC motor, a DC voltage detector that detects the DC voltage applied to the inverter, a voltage command generator that generates a voltage command based on a torque command and a detection value of the DC voltage, and a gate signal generator that generates a gate signal for performing pulse width modulation control of the inverter. The number of slots per magnetic pole in the stator core of the AC motor is a natural number multiple of three, and there is a relationship of Fc=6n+3 between Fc and n, where Fc represents a numerical value as a carrier order obtained by normalizing the frequency of the carrier wave with the frequency of the modulated wave, and n is natural number.
H02P 27/08 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs avec modulation de largeur d'impulsions
A semiconductor device according to the present disclosure includes: a semiconductor substrate; a first trench provided in the semiconductor substrate to penetrate a fourth semiconductor layer, a third semiconductor layer, and a second semiconductor layer and reach a first semiconductor layer; an interlayer insulating film provided to cover the first trench; and a second trench provided in the semiconductor substrate to penetrate the third semiconductor layer and the second semiconductor layer and reach the first semiconductor layer, wherein the first trench has a lower electrode provided on the side of the second main surface and an upper electrode provided on the side of the first main surface with respect to the lower electrode, the second trench has a dummy electrode electrically connected to the first main electrode, and a maximum width of the dummy electrode is equal to or larger than a maximum width of the lower electrode.
The invention relates to a method, comprising: obtaining a first set of radio resources available to send a forward packet from a first user equipment; obtaining a second set of radio resources available to perform an operation related to the forward packet; selecting, among said first set of radio resources, a first radio resource having a first time so that at least one second radio resource from the second set is comprised in a time window having a lower bound after said first time and an upper bound defined according to at least one of said forward packet; sending, by the first user equipment, said forward packet using said first radio resource.
An object is to provide a technique capable of appropriately driving a plurality of power semiconductor elements each having reference potential different from each other. A power semiconductor drive device includes: a conversion circuit converting a serial signal from an outer part into a plurality of parallel signals; a plurality of drive circuits driving a plurality of power semiconductor elements each having reference potential different from each other, respectively; a plurality of level shift circuits connected between the conversion circuit and the plurality of drive circuits and level-shifting the plurality of parallel signals in accordance with the reference potential of the plurality of power semiconductor elements, respectively; and a voltage holding structure electrically separating each of the plurality of drive circuits.
H02M 1/092 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques pour la commande simultanée de dispositifs à semi-conducteurs connectés en série ou en parallèle les signaux de commande étant transmis optiquement
H03K 17/567 - Circuits caractérisés par l'utilisation d'au moins deux types de dispositifs à semi-conducteurs, p. ex. BIMOS, dispositifs composites tels que IGBT
H03K 17/60 - Commutation ou ouverture de porte électronique, c.-à-d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par l'utilisation de composants spécifiés par l'utilisation, comme éléments actifs, de dispositifs à semi-conducteurs les dispositifs étant des transistors bipolaires
H03K 17/74 - Commutation ou ouverture de porte électronique, c.-à-d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par l'utilisation de composants spécifiés par l'utilisation, comme éléments actifs, de diodes
A stream monitoring scheme (11) monitors a frame identified by a stream. A frame monitoring unit (106) monitors each stream group of multiple stream groups at an interval of a monitoring time with using a frame reception number storage unit (105), and judges normal or anomaly of a number of received frames received during the monitoring time based on a number of received frames received during the monitoring time and an expected value. The frame reception number storage unit (105) stores a reception number of received frames for each single stream group or for each stream group of the multiple stream groups where a single stream or multiple streams belong to each stream group. The frame monitoring unit (106) corrects a lower limit value and upper limit value of the expected value based on a past history of the number of received frames received during the monitoring time.
H04L 65/80 - Dispositions, protocoles ou services dans les réseaux de communication de paquets de données pour prendre en charge les applications en temps réel en répondant à la qualité des services [QoS]
H04L 65/611 - Diffusion en flux de paquets multimédias pour la prise en charge des services de diffusion par flux unidirectionnel, p. ex. radio sur Internet pour la multidiffusion ou la diffusion
7.
ATTACK ANALYSIS DEVICE, ATTACK ANALYSIS METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM
An attack analysis device (100) includes an analysis priority change unit (130) to change an analysis priority corresponding to a target device in accordance with a content of a target attack when the target device is subjected to the target attack being a cyberattack, the target device being a device provided to an attack target system including a plurality of devices each being set with an analysis priority. Assuming that the plurality of devices provided to the attack target system form an attack target device group, when the devices included in the attack target device group are subjected to cyberattacks, the cyberattacks against the devices included in the attack target device group are analyzed in order according to analysis priorities corresponding to the devices included in the attack target device group.
A wireless transmitter includes: wired reception units that each receive a wired signal transmitted by wire and including a plurality of frames; a wireless control signal applying unit that inserts a wireless control signal, which is a control signal for wireless communication management, in an interval in which no information transmission is performed between the frames of the wired signal received; and a wireless signal generation unit that generates a wireless signal to be wirelessly transmitted by using a received bit pattern of the wired signal and the wireless control signal.
A semiconductor device according to the present disclosure includes: a two-stage active dummy trench having a first upper electrode and a first lower electrode; and a two-stage active trench having a second upper electrode and a second lower electrode, wherein the first upper electrode, the second upper electrode, and the second lower electrode are connected to the same gate pad, the two-stage active dummy trench and the two-stage active trench extend in a horizontal direction in plan view, and a length of a region where the two-stage active dummy trench and the two-stage active trench are adjacent to each other is longer than a length of a region where the two-stage active dummy trench and the two-stage active trench are not adjacent to each other in the entire length of the two-stage active dummy trench and the two-stage active trench in the horizontal direction.
A semiconductor device includes an emitter electrode, a temperature sensing unit provided adjacent to the emitter electrode, a sense wiring, and a first wire bond portion provided adjacent to a connection portion between the emitter electrode and the sense wiring. The sense wiring includes a first sense wiring portion, a second sense wiring portion, and a bent portion. A distance from the connection portion to the first wire bond portion is shorter than a distance from the bent portion to the connection portion.
Systems, methods, software, and devices are disclosed herein that transform anechoic audio signals into spatialized audio signals. An audio processing method includes identifying a target sound source direction and a reference head related transfer function (HRTF) associated with a target subject and obtaining one or more retrieved HRTFs from an HRTF dataset based at least on the reference HRTF and the target sound source direction. The method continues with executing a neural field model to produce an output based on an input. Example input includes the one or more retrieved HRTFs and the target sound source direction, and example output includes a predicted HRTF. The anechoic audio signal may then be processed based at least on the predicted HRTF to produce a spatialized audio signal.
According to the present invention, a main circuit breaker (110) is disposed in the path of a main current (Icb). A commutation circuit (150) is connected in parallel to the main circuit breaker (110), and is configured to superimpose an oscillating current (Ios), the amplitude of which periodically increases after the main circuit breaker (110) is opened, on the main current. The commutation circuit (150) includes an AC power source that operates after the main circuit breaker (110) is opened, and generates the oscillating current (Ios) such that, after activation of the AC power source, the rate of increase in amplitude having the same polarity as the main current (Icb) is smaller than the rate of increase in amplitude having a polarity opposite to that of the main current (Icb).
H01H 33/59 - Circuits non adaptés à une application particulière de l'interrupteur et non prévus ailleurs, p. ex. pour assurer le fonctionnement de l'interrupteur en un point déterminé de la période du courant alternatif
A carbon amount acquisition device (100) comprises: an information acquisition unit (11) that acquires information indicating a first soil carbon amount contained in the soil in a specific area at a first time point; a plant carbon amount acquisition unit (12) that acquires information indicating the plant carbon amount contained in the plant in the specific area at the first time point; a discharged carbon amount acquisition unit (13) that acquires information indicating the discharged carbon amount discharged from the soil in the specific area during a period from the first time point to a second time point which is after the first time point; and a soil carbon amount acquisition unit (14) that acquires, on the basis of the result of subtracting the discharged carbon amount from the total of the first soil carbon amount and the plant carbon amount, information indicating a second soil carbon amount contained in the soil in the specific area at the second time point.
G01N 21/3563 - CouleurPropriétés spectrales, c.-à-d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en recherchant l'effet relatif du matériau pour les longueurs d'ondes caractéristiques d'éléments ou de molécules spécifiques, p. ex. spectrométrie d'absorption atomique en utilisant la lumière infrarouge pour l'analyse de solidesPréparation des échantillons à cet effet
15.
POWER AMOUNT PREDICTION DEVICE, POWER AMOUNT PREDICTION METHOD, PROGRAM, AND POWER AMOUNT PREDICTION SYSTEM
This power amount prediction device comprises: a data acquisition unit that acquires train travel result data indicating the operation status of each train, substation operation result data indicating the operation status of each substation, and section definition data; a power amount data calculation unit that calculates power amount data including substation influence information, which is information that influences the operation status of the substations, on the basis of the train travel result data, the substation operation result data, and the section definition data; and a power amount prediction unit that calculates power amount prediction data including the prediction result of the future operation status of the substations on the basis of the power amount data.
B60M 3/00 - Fourniture d'énergie aux lignes de courant d'alimentation en contact avec le collecteur porté par le véhiculeAbsorption de l'énergie de récupération
16.
COMMUNICATION APPARATUS, COMMUNICATION METHOD, AND PROGRAM
This communication apparatus comprises: a communication unit that acquires a first reception packet of a first protocol for use in communication with another communication apparatus; an AI control unit that inputs, to a generative AI, a first input that includes the first reception packet, a prompt for inquiring the definition of the first reception packet, and at least a portion of a written specification defined by a first version of the first protocol; and a comparison unit that, on the basis of a response from the generative AI to the first input, determines whether or not the first reception packet is defined in the first version. Accordingly, the communication apparatus can detect the version of a protocol used in communication by a communication partner.
H04L 41/16 - Dispositions pour la maintenance, l’administration ou la gestion des réseaux de commutation de données, p. ex. des réseaux de commutation de paquets en utilisant l'apprentissage automatique ou l'intelligence artificielle
H04L 69/167 - Adaptation pour la transition entre deux versions IP, p. ex. entre IPv4 et IPv6
17.
COMMUNICATION SYSTEM, COMMUNICATION DEVICE, COMMUNICATION METHOD, AND COMMUNICATION PROGRAM
Provided is a communication system capable of performing highly secure communication. This communication system is characterized by comprising: a first communication device comprising a first large language model (LLM) processing unit that inputs transmission data to an LLM and acquires a transmission packet obtained by encoding the transmission data by the LLM, and a transmission unit that transmits the transmission packet acquired by the first LLM processing unit; and a second communication device comprising a reception unit that receives, as a reception packet, the transmission packet transmitted by the transmission unit, and a second LLM processing unit that inputs the reception packet received by the reception unit to the LLM and acquires reception data obtained by decoding the reception packet by the LLM.
This sensor element (101) comprises a pair of electrodes (2) and a resin film (3) that separates the pair of electrodes. The resin film has a surface (30) that connects the pair of electrodes. An additive that bleeds out onto the surface and reduces the resistance value between the pair of electrodes is added to the resin film.
G01N 27/04 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance en recherchant la résistance
G01N 17/02 - Systèmes de mesure électro-chimique de l'action due aux intempéries, de la corrosion ou de la protection contre la corrosion
G01N 27/00 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques
19.
FACILITY DESIGNING APPARATUS AND FACILITY DESIGNING METHOD
MITSUBISHI ELECTRIC BUILDING SOLUTIONS CORPORATION (Japon)
MITSUBISHI ELECTRIC CORPORATION (Japon)
Inventeur(s)
Narui, Tomohiro
Mega, Toshihiro
Murayama, Shuichi
Nagahiro, Kazuyuki
Sato, Fuyuki
Mineyuki, Takuma
Abrégé
A facility designing apparatus (1) comprises: a data storage unit (2) that stores time-series data of an observed value of natural energy or a simulated value of the observed value; a period estimation unit (3) that estimates, on the basis of the time-series data of the observed value or the simulated value, a minimum power generation amount period of power generation facilities that use natural energy in each of a plurality of time units; and a facility selection unit (4) that selects, on the basis of the time-series data of the observed value or the simulated value in the minimum power generation amount period in each of the plurality of time units, a power generation facility and a power storage facility that stores power generated by the power generation facility.
Embodiments disclosing a controller for controlling a robot to perform a task are provided. The task is performed in an environment that is represented by an input image. The controller causes segmenting of an object in the input image. A confidence level of segmentation is updated by comparing the segmented object with constrained affined transformations of a template of the object. The constrained affine transformations are based on constraints indicative of a property of the object. The property of the object and the updated confidence level of segmentation are then used for performing the task.
G06V 10/75 - Organisation de procédés de l’appariement, p. ex. comparaisons simultanées ou séquentielles des caractéristiques d’images ou de vidéosApproches-approximative-fine, p. ex. approches multi-échellesAppariement de motifs d’image ou de vidéoMesures de proximité dans les espaces de caractéristiques utilisant l’analyse de contexteSélection des dictionnaires
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
A work analysis device (120) comprises: a classification unit (123) that classifies a plurality of sensor values detected for work performed a plurality of times into a plurality of classes according to patterns so as to classify work time into a plurality of sections corresponding to the plurality of classes; an image feature calculation unit (127) that calculates a plurality of image feature amounts from a plurality of pieces of image data of interest obtained by imaging the work; a text feature calculation unit (129) that calculates a plurality of text feature amounts from a plurality of pieces of text data indicating the content of a plurality of steps constituting work; a comparison unit (130) that calculates the degree of similarity between the image feature amount and the text feature amount; a step identification unit (131) that identifies, for each image feature amount, a step in which the content is indicated by text data corresponding to the text feature amount having the highest degree of similarity; and a link unit (132) that identifies each step of a plurality of sections by the identified step.
G06V 10/70 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique
22.
QUALITY ANALYSIS DISPLAY DEVICE, ADDITIVE MANUFACTURING SYSTEM, QUALITY ANALYSIS DISPLAY METHOD, AND QUALITY ANALYSIS DISPLAY PROGRAM
This quality analysis display device (4) comprises a processing log reading unit (17) that reads a processing log including data indicating the state of a workpiece during manufacturing of a molded article manufactured by additive manufacturing. The quality analysis display device (4) comprises a quality analysis unit (18) that analyzes, on the basis of the processing log, a quality reduction of a manufactured molded article for each of a plurality of quality items indicating a phenomenon that can occur in the molded article. The quality analysis display device (4) comprises a display unit (19) that displays an analysis result for each of the plurality of quality items.
A reception device (1) comprises: a plurality of antenna elements (11); a plurality of phase shifters (13); a plurality of gain adjusters (14); and a synthesis circuit (15). A phase shifter (13), which corresponds to an antenna element (11b) operating as a cross-polarization element, adjusts the phase of a reception signal on the basis of a phase adjustment amount. The phase adjustment causes the phase of the reception signal generated by the antenna element (11b) to be the opposite of the phase of a cross-polarization component included in a reception signal generated by an antenna element (11a). A gain adjuster (14), which corresponds to the antenna element (11a) operating as a main polarization element, adjusts the amplitude of the reception signal on the basis of a gain suppression amount. The gain suppression amount causes the amplitude of the cross-polarization component of the reception signal generated by the antenna element (11a) to approach the amplitude of the reception signal generated by the antenna element (11b).
A device (3) in which a function that can be performed with each user authority, including at least a first user authority and a second user authority, is determined in advance, comprises: a communication means for performing ad hoc communication with an operation terminal; an issuance condition storage unit (331) that stores information indicating an issuance condition of an authority key for each user authority; an authority key issuance unit (302) that issues an authority key when the issuance condition is satisfied; an issued authority key storage unit (332) that stores the issued authority key; and a function performing unit (303) that, upon receiving a request to perform a function from the operation terminal, if an authority key presented by the operation terminal has already been issued and the requested function can be performed with the user authority of the presented authority key, performs the function. The authority key issuance unit (302) deletes the authority key of the second user authority from the issued authority key storage unit (332) when the ad hoc communication with the operation terminal is disconnected.
A work analysis device (120) comprises: an image feature calculation unit (124) that calculates a plurality of image feature amounts by inputting, to an image encoder, a plurality of pieces of target image data indicating, in time series, a plurality of target images included in a video obtained by imaging work; a text feature calculation unit (126) that calculates a plurality of text feature amounts by inputting, to a text encoder, a plurality of pieces of text data respectively indicating contents of a plurality of steps constituting the work; a comparison unit (127) that calculates a degree of similarity between each of the plurality of image feature amounts and each of the plurality of text feature amounts; and a step identification unit (128) that identifies one or more steps in time series by identifying, in each of the plurality of image feature amounts, a step of which the contents are indicated by text corresponding to the text feature amount having the highest degree of similarity.
G06V 10/70 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique
26.
MOUNTING ASSEMBLY AND MOUNTING BRACKET FOR REFRIGERANT SENSOR
A mounting assembly for a refrigerant sensor is provided. The mounting assembly includes: a bracket configured to contain a refrigerant sensor; a fastener formed contiguously with the bracket and configured to attach the bracket to a portion of a heating and cooling device without additional hardware; and a fastening hold attached to the fastener and configured to allow a user to manually assist with fastening and unfastening the fastener. The bracket is formed as one contiguous piece that is configured to secure the refrigerant sensor to the bracket without additional hardware.
A semiconductor device according to the present disclosure is an insulated gate bipolar transistor (IGBT) including: a semiconductor substrate; a two-stage active trench having an upper electrode connected to a gate electrode and covered with an upper insulating film in an upper stage, a lower electrode connected to the gate electrode and covered with a lower insulating film in a lower stage, and a boundary insulating film located between the upper electrode and the lower electrode inside a trench provided on a front surface side of the semiconductor substrate; and a dummy trench having a dummy electrode covered with a dummy insulating film inside a trench provided on the front surface side of the semiconductor substrate, wherein a film thickness of the lower insulating film and a film thickness of the dummy insulating film are thicker than a film thickness of the upper insulating film.
H10D 64/27 - Électrodes ne transportant pas le courant à redresser, à amplifier, à faire osciller ou à commuter, p. ex. grilles
H10D 12/00 - Dispositifs bipolaires contrôlés par effet de champ, p. ex. transistors bipolaires à grille isolée [IGBT]
H10D 64/00 - Électrodes de dispositifs ayant des barrières de potentiel
H10D 84/00 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si
An object is to obtain a gate driving device capable of further reducing noise than conventional ones. A gate driving device includes a command generation circuit which generates and outputs a gate drive command on the basis of an input signal, a constant output circuit which is connected in parallel to the command generation circuit and outputs a constant voltage signal on the basis of the input signal, a complementary emitter follower circuit which amplifies the gate drive command, and a current limitation element which is provided on the input side or the output side of the complementary emitter follower circuit and which suppresses the backflow of current. The gate driving device applies a gate drive voltage obtained by combining the gate drive command and the constant voltage signal to the gate terminal of a semiconductor switching element.
H03K 17/16 - Modifications pour éliminer les tensions ou courants parasites
H02M 1/088 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques pour la commande simultanée de dispositifs à semi-conducteurs connectés en série ou en parallèle
29.
DATA PROCESSING DEVICE, DATA PROCESSING METHOD AND COMPUTER READABLE MEDIUM
A design data acquisition unit (103, 104) acquires design data of a space where equipment is installed as spatial design data, and acquires design data for installing the equipment in the space as installation design data. The decision unit (105) uses the spatial design data and the installation design data, and decides, before the equipment is actually installed in the space, whether the equipment is installed in the space in compliance with installation specifications which are specifications related to the installation of the equipment when the equipment is actually installed in the space.
A semiconductor device includes: a semiconductor substrate; a first oxide film formed on a surface of the semiconductor substrate; a second oxide film formed on a surface of the first oxide film; a passive element formed inside the second oxide film; and embedded semiconductors embedded in a surface of the first oxide film directly below the passive element and including low-concentration impurity regions in which an interface is formed with a back surface of the second oxide film, and high-concentration impurity regions bonded to bottom surfaces of the low-concentration impurity regions and having contact surfaces which are exposed to a surface of the second oxide film and to which a voltage is applied, respectively.
H10D 86/00 - Dispositifs intégrés formés dans ou sur des substrats isolants ou conducteurs, p. ex. formés dans des substrats de silicium sur isolant [SOI] ou sur des substrats en acier inoxydable ou en verre
H10D 62/60 - Distribution ou concentrations d’impuretés
H10D 86/80 - Dispositifs intégrés formés dans ou sur des substrats isolants ou conducteurs, p. ex. formés dans des substrats de silicium sur isolant [SOI] ou sur des substrats en acier inoxydable ou en verre caractérisés par de multiples composants passifs, p. ex. des résistances, des condensateurs ou des inducteurs
A semiconductor device includes first and second N-type semiconductor regions provided selectively in an upper layer part of an N-type high-breakdown voltage isolation region, and a P-type semiconductor region provided selectively in the upper layer part of the N-type high-breakdown voltage isolation region and to be supplied with a first power supply voltage lower than a second power supply voltage. The second N-type semiconductor region is arranged closer to an N-type high-potential region than the first N-type semiconductor region and the P-type semiconductor region. The P-type semiconductor region is arranged between the first N-type semiconductor region and the second N-type high-potential region in a plan view. A diode has an anode to be supplied with the second power supply voltage, and a cathode electrically connected to the first N-type semiconductor region. The second N-type semiconductor region is electrically connected to the N-type high-potential region.
H10D 62/60 - Distribution ou concentrations d’impuretés
H10D 84/80 - Dispositifs intégrés formés dans ou sur des substrats semi-conducteurs qui comprennent uniquement des couches semi-conductrices, p. ex. sur des plaquettes de Si ou sur des plaquettes de GaAs-sur-Si caractérisés par l'intégration d'au moins un composant couvert par les groupes ou , p. ex. l'intégration de transistors IGFET
32.
SEMICONDUCTOR MODULE AND METHOD OF MANUFACTURING SEMICONDUCTOR MODULE
SHINDENGEN ELECTRIC MANUFACTURING CO., LTD. (Japon)
Mitsubishi Electric Corporation (Japon)
Inventeur(s)
Noguchi, Koichiro
Yamaguchi, Kosuke
Imazeki, Yasuhiro
Abrégé
A semiconductor module includes: a board that includes a wiring portion formed on at least one surface and a hole portion having an opening on the at least one surface side; and a body portion that is disposed on one surface side of the board and is sealed by a resin, and a lead portion having a plate shape that extends toward an outside from a side surface of the body portion. In at least one semiconductor package, a part of the body portion is inserted into the hole portion, and the lead portion extends along a surface of the board, and a lower surface of the lead portion is bonded to the wiring portion.
H01L 23/13 - Supports, p. ex. substrats isolants non amovibles caractérisés par leur forme
H01L 23/367 - Refroidissement facilité par la forme du dispositif
H01L 23/498 - Connexions électriques sur des substrats isolants
H01L 25/00 - Ensembles consistant en une pluralité de dispositifs à semi-conducteurs ou d'autres dispositifs à l'état solide
H01L 25/07 - Ensembles consistant en une pluralité de dispositifs à semi-conducteurs ou d'autres dispositifs à l'état solide les dispositifs étant tous d'un type prévu dans une seule des sous-classes , , , , ou , p. ex. ensembles de diodes redresseuses les dispositifs n'ayant pas de conteneurs séparés les dispositifs étant d'un type prévu dans la sous-classe
H10D 80/20 - Ensembles de plusieurs dispositifs comprenant au moins un dispositif couvert par la présente sous-classe l’au moins un dispositif étant couvert par les groupes , p. ex des ensembles comprenant des condensateurs, des transistors FET de puissance ou des diodes Schottky
H10D 80/30 - Ensembles de plusieurs dispositifs comprenant au moins un dispositif couvert par la présente sous-classe l’au moins un dispositif étant couvert par les groupes , p. ex. des ensembles comprenant des puces de processeur à circuit intégré
33.
CONTROL APPARATUS, CONTROL SYSTEM, CONTROL PROGRAM, AND CONTROL METHOD
G05B 13/02 - Systèmes de commande adaptatifs, c.-à-d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques
34.
MAGNETIC MATERIAL AND METHOD FOR MANUFACTURING SINTERED MAGNET
H01F 1/059 - Alliages caractérisés par leur composition contenant des métaux des terres rares et des métaux de transition magnétiques, p. ex. SmCo5 et des éléments Va, p. ex. Sm2Fe17N2
B22F 3/00 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet
C22C 33/02 - Fabrication des alliages ferreux par des techniques de la métallurgie des poudres
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
H01F 1/08 - Aimants ou corps magnétiques, caractérisés par les matériaux magnétiques appropriésEmploi de matériaux spécifiés pour leurs propriétés magnétiques en matériaux inorganiques caractérisés par leur coercivité en matériaux magnétiques durs métaux ou alliages sous forme de particules, p. ex. de poudre comprimées, frittées ou agglomérées
H01F 41/02 - Appareils ou procédés spécialement adaptés à la fabrication ou à l'assemblage des aimants, des inductances ou des transformateursAppareils ou procédés spécialement adaptés à la fabrication des matériaux caractérisés par leurs propriétés magnétiques pour la fabrication de noyaux, bobines ou aimants
35.
SEMICONDUCTOR MODULE, METHOD FOR MANUFACTURING SEMICONDUCTOR MODULE, AND POWER CONVERSION DEVICE
A semiconductor module (10) according to the present disclosure is characterized by comprising: a semiconductor device (1); an external case (14) that stores the semiconductor device (1) therein and maintains the pressure of a gas or a liquid filled therein; a heat sink (12) on which the external case (14) is placed; and a fastener (13a) that co-fastens the semiconductor device (1) and the external case (14) to the heat sink (12).
An information processing device (100) has: an acquisition unit (120) that acquires information indicating an acceptance level map, an ideal congestion map, and a plurality of routes that are route candidates for an AMR (200); a calculation unit (150) that calculates a movement cost for each route by using the distance of the route, a constant that is a region present on the route and corresponds to the acceptance level indicated by a region present on the acceptance level map, the distance of a route portion that passes through said region, a constant that is a region present on the route and corresponds to congestion indicated by a region present on the ideal congestion map, and the distance of a route portion that passes through said region; a determination unit (160) that determines a route for the AMR (200) on the basis of the movement costs of each of the plurality of routes; and a control unit (170) that controls the AMR (200) so that the AMR (200) moves along the determined route and outputs guidance information.
The purpose of the present invention is to provide technology that makes it possible to utilize an existing power storage device for normal operation control in emergency operation control. This power inference device comprises: a generation unit that generates a first inference model on the basis of system information and a charge/discharge power statistical value in main control; an inference unit that infers the charge/discharge power statistical value in main control on the basis of the first inference model and the system information; and a control reserve power inference unit that uses the inferred charge/discharge power statistical value in main control as a basis to infer control reserve power in a predetermined period, namely, charge/discharge power in a predetermined period available for use in auxiliary control.
A method and system for supervised training of a causal neural network for a streaming audio processing application is provided. The method comprises acquiring an input mixture signal corresponding to two or more speakers. Further, the method comprises training the causal neural network to transform the input mixture signal into an output signal matching a ground truth signal. To that end, the training comprises processing the input mixture signal conditioned on a causal input including a delayed version of the input mixture signal transformed by the causal neural network without the causal input.
G10L 25/30 - Techniques d'analyse de la parole ou de la voix qui ne se limitent pas à un seul des groupes caractérisées par la technique d’analyse utilisant des réseaux neuronaux
G06N 3/084 - Rétropropagation, p. ex. suivant l’algorithme du gradient
39.
SIGNAL-PROCESSING DEVICE, ULTRASONIC MEASUREMENT DEVICE, SIGNAL-PROCESSING PROGRAM, AND SIGNAL-PROCESSING METHOD
This signal-processing device comprises: a transmission control unit (141) that transmits a control signal for causing a transmission unit (11) to transmit a plurality of transmission signals having different characteristics; a reception signal acquisition unit (142) that acquires a plurality of reception signals from a reception sensor (13); a non-linear component extraction unit (143) that extracts a non-linear component by performing calculation according to the characteristics of the transmission signals transmitted by the transmission unit (11), on the basis of the plurality of reception signals acquired by the reception signal acquisition unit (142); and a property estimation unit (144) that estimates a property of a measurement target (2) on the basis of the non-linear component extracted by the non-linear component extraction unit (143). The plurality of transmission signals each have an amplitude that allows a plurality of transmission pulses to exhibit non-linear effects in air. The plurality of reception signals include low-frequency components generated by the non-linear effects in air.
G01S 7/539 - 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
A receiving device (1) comprises: a plurality of antenna elements (11) that each generate a first received signal and a second received signal; a plurality of second phase shifters (13b) that adjust the phase of each second received signal on the basis of a predetermined phase adjustment amount; a plurality of second gain adjusters (14b) that adjust the amplitude of each second received signal on the basis of a predetermined gain suppression amount; a first combining circuit (15) that combines the plurality of first received signals to generate a first combined signal; a second combining circuit (16) that combines the second received signals of which the phase and amplitude have been adjusted, to generate a second combined signal; and a third combining circuit (17) that combines the first combined signal and the second combined signal. The predetermined gain suppression amount is a gain suppression amount that brings the amplitude of the second combined signal closer to the amplitude of a cross polarization component included in the first combined signal. The predetermined phase adjustment amount is a phase adjustment amount that causes the phase of the second combined signal to be opposite to the phase of the cross polarization component included in the first combined signal.
H01Q 21/06 - Réseaux d'unités d'antennes, de même polarisation, excitées individuellement et espacées entre elles
H01Q 21/24 - Combinaisons d'unités d'antennes polarisées dans des directions différentes pour émettre ou recevoir des ondes polarisées circulairement ou elliptiquement ou des ondes polarisées linéairement dans n'importe quelle direction
41.
SURROUNDINGS MONITORING DEVICE, MOBILE BODY, SURROUNDINGS MONITORING METHOD, AND PROGRAM
A surroundings monitoring device (100, 101, 102) comprises: a setting unit (5) that sets a plurality of regions (50a) by dividing a detection region (50) on a travel surface (20) on which a mobile body (1000) is traveling on the basis of at least one of the speed of the mobile body (1000) or the arrangement, on the mobile body (1000), of a plurality of transmission and reception units (1) that transmit sensing waves at mutually different points in time toward the travel surface (20) and receive reflected waves from the travel surface (20); and a generation unit (6) that generates travel surface information indicating at least the type of the travel surface (20) for each of the plurality of regions (50a) on the basis of waveform information indicating changes over time in the intensity of the reflected waves received by the plurality of transmission and reception units (1). This makes it possible to provide the surroundings monitoring device (100, 101, 102) capable of determining the difference in the type of the travel surface (20) even when the type of the travel surface (20) on which the mobile body (1000) is traveling changes within the detection region (50) for the transmission and reception units (1).
G01S 15/02 - Systèmes utilisant la réflexion ou la reradiation d'ondes acoustiques, p. ex. systèmes sonar utilisant la réflexion d'ondes acoustiques
B60W 40/04 - Calcul ou estimation des paramètres de fonctionnement pour les systèmes d'aide à la conduite de véhicules routiers qui ne sont pas liés à la commande d'un sous-ensemble particulier liés aux conditions ambiantes liés aux conditions de trafic
B60W 40/06 - Calcul ou estimation des paramètres de fonctionnement pour les systèmes d'aide à la conduite de véhicules routiers qui ne sont pas liés à la commande d'un sous-ensemble particulier liés aux conditions ambiantes liés à l'état de la route
G01S 15/931 - Systèmes sonar, spécialement adaptés à des applications spécifiques pour prévenir les collisions de véhicules terrestres
G08G 1/00 - Systèmes de commande du trafic pour véhicules routiers
An air-conditioning system (1) includes: a refrigerant circuit through which a refrigerant circulates to form a refrigeration cycle; a refrigerant sensor (23) that detects leakage of the refrigerant from the refrigerant circuit; a refrigerant sensor determination unit (283) that determines whether the type of refrigerant that can be determined by the refrigerant sensor (23) matches the type of the refrigerant used in the refrigerant circuit; and a notification unit (24) that, when the refrigerant sensor determination unit (283) determines that the type of refrigerant that can be determined by the refrigerant sensor (23) does not match the type of the refrigerant used in the refrigerant circuit, provides a notification indicating the result of the determination by the refrigerant sensor determination unit (283) as abnormal. The air-conditioning system (1) exhibits the effect of obtaining an air-conditioning system (1) that enables an operator to easily check whether or not a refrigerant sensor suitable for detecting leakage of a refrigerant used therein is attached to the air-conditioning system (1).
F24F 11/36 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p. ex. pour la sécurité ou la surveillance réagissant aux dysfonctionnements ou aux situations critiques aux fuites de fluides échangeurs de chaleur
F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
An air-conditioning controller that controls an air-conditioning apparatus includes an obtainer, an indoor model constructor, a coupled analysis unit, a control target determiner, and a commander. The obtainer obtains room shape information and air state information. The indoor model constructor constructs an indoor model used for CFD simulation, based on the room shape information and the air state information. The coupled analysis unit executes the CFD simulation based on the indoor model to derive a state quantity, to derive a deviation of the state quantity, and to integrate the deviations, thereby deriving an optimal solution of a control parameter of the air-conditioning apparatus such that an objective function including an integrated value obtained by integrating the deviations is minimized. The control target determiner determines a control target value based on the optimal solution. The commander controls the air-conditioning apparatus based on the control target value.
A rare earth sintered magnet includes a main phase that satisfies a general formula (Nd, Pr, R)—Fe—B, where R is one or more rare earth elements selected excluding Nd and Pr, the main phase containing crystal grains based on an Nd2Fe14B crystal structure. The main phase includes a core portion and a shell portion covering the core portion. The main phase includes a first main phase that satisfies CNd>CPr and a second main phase that satisfies CNd
H01F 1/057 - Alliages caractérisés par leur composition contenant des métaux des terres rares et des métaux de transition magnétiques, p. ex. SmCo5 et des éléments IIIa, p. ex. Nd2Fe14B
C22C 33/04 - Fabrication des alliages ferreux par fusion
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
H01F 41/02 - Appareils ou procédés spécialement adaptés à la fabrication ou à l'assemblage des aimants, des inductances ou des transformateursAppareils ou procédés spécialement adaptés à la fabrication des matériaux caractérisés par leurs propriétés magnétiques pour la fabrication de noyaux, bobines ou aimants
H02K 1/276 - Aimants encastrés dans le noyau magnétique, p. ex. aimants permanents internes [IPM]
H02K 15/035 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques comportant des aimants permanents sur le rotor
An object of the present disclosure is to achieve high-speed performance, robustness, and downsizing in a semiconductor drive device including a half-bridge drive circuit. A semiconductor drive device includes: half-bridge drive circuits mounted to a first Si substrate which drives a P-side semiconductor element and an N-side semiconductor element which are totem-pole connected; and signal transmission circuits mounted to a second Si substrate to transmit a drive signal to the half-bridge drive circuits. The P-side half-bridge drive circuit and the N-side half-bridge drive circuit are electrically separated by a high-voltage holding structure on the first Si substrate.
H03K 17/567 - Circuits caractérisés par l'utilisation d'au moins deux types de dispositifs à semi-conducteurs, p. ex. BIMOS, dispositifs composites tels que IGBT
A complementary power supply modulator includes a high-voltage-side switching element and a low-voltage-side switching element that are connected in series between a first power supply potential node and a ground potential node, the high-voltage-side switching element includes a first P-type transistor, the low-voltage-side switching element includes a first N-type transistor, and the complementary power supply modulator includes a first combiner that applies, to the gate electrode of the first P-type transistor, a PWM signal obtained by combining a PWM signal and a second voltage applied to a second power supply potential node.
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 1/088 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques pour la commande simultanée de dispositifs à semi-conducteurs connectés en série ou en parallèle
48.
POWER CONVERSION DEVICE, MOTOR DRIVE DEVICE, AND REFRIGERATION CYCLE APPLIED APPARATUS
A power conversion device (1) for performing power conversion comprises: switching elements included in at least one power converter among one or more power converters for performing power conversion; waveform shape change units (140, 340) each capable of changing the waveform shape of the switching waveform of the switching elements without physically switching a gate resistor; and state quantity detection units (501-505) for detecting state quantities indicating the operation state of the power conversion device. According to the state quantities detected by the state quantity detection units, the waveform shape is changed so that a driving capability difference between at least a first switching element and a second switching element among the switching elements included in the power converter becomes equal to or less than a prescribed threshold.
H02M 7/48 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif 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
This rotary electric machine comprises: a motor having a motor rotor and a motor stator provided on the outer circumferential side of the motor rotor; a shaft that is fixed to the center of the motor rotor and rotates together with the motor rotor; and a bearing that rotatably supports an end of the shaft. In the inside of the shaft, an oil supply passage extending along the axial direction and an oil supply hole which extends from the oil supply passage to the outer circumferential surface of the shaft and through which oil in the oil supply passage is supplied to the bearing are formed. A step part at which the outer diameter of the shaft changes is formed between the motor rotor and the bearing in the shaft. The step part has a first corner section formed such that the outer diameter of the shaft decreases from the counter motor side to the motor side.
This operation analysis system comprises: a production efficiency information map creation unit (231) that creates a production efficiency information map, which is an information map indicating the correspondence relationship between production efficiency information and operation-related information; a production efficiency feature amount calculation unit (233) that extracts, as elements, individual information related to the production efficiency information of a region of interest from a plurality of pieces of the operation-related information, and calculates, for all combinations of the operation-related information and the production efficiency information, the aggregate value of the production efficiency information for each element as a production efficiency feature amount; and a factor candidate extraction unit (234) that calculates, for all combinations of the operation-related information and the production efficiency information, the degree of deviation, which is an index for evaluating the difference in the production efficiency feature amount between the elements for each type of the operation-related information, and extracts the type of the operation-related information in descending order of the degree of deviation from all the combinations of the operation-related information and the production efficiency information of the region of interest. According to the operation analysis system, it is possible to reduce the burden on a user during introduction and analyze the cause of a decrease in the production efficiency of a facility.
This communication system comprises: a communication device (100) that is present in a first network or connected to the first network and that transmits data; a bridge device (110) that connects the first network and a second network and that transmits data which has been received from the communication device (100); and a relay device (120) that is present in the second network, that determines a transfer destination of data which has been received from the bridge device (110), and that transmits the data to the bridge device (110). Upon receiving the data from the relay device (120), the bridge device (110) transmits the data to the transfer destination. When transmitting data, the communication device (100), the bridge device (110), and the relay device (120) transmit the data at a synchronized timing.
The purpose of an abnormality detection device (1) according to the present disclosure is to detect an incipient turn-to-turn short. The abnormality detection device (1) is characterized by comprising: a frequency analysis unit (12) that performs frequency analysis on physical-quantity data of a rotating electrical machine (2); a mechanical-angle rotational frequency harmonic component extraction unit (13) that extracts a specific-order harmonic component of a mechanical-angle rotational frequency from among components having been subjected to the frequency analysis; and an abnormality determination unit (15) that compares the extracted specific-order harmonic component with a threshold value (I threshold) and that determines the presence or absence of a turn-to-turn short circuit in the rotating electrical machine (2).
An operation assistance device (100) comprises: a situation acquisition unit (101) that acquires information on the surrounding environment (203) of a moving body; and a determination delay prediction unit (104) that predicts, on the basis of the information on the surrounding environment (203) of the moving body, whether or not the determination of an autonomous action of the moving body will be delayed.
B60W 40/04 - Calcul ou estimation des paramètres de fonctionnement pour les systèmes d'aide à la conduite de véhicules routiers qui ne sont pas liés à la commande d'un sous-ensemble particulier liés aux conditions ambiantes liés aux conditions de trafic
B60W 50/14 - Moyens d'information du conducteur, pour l'avertir ou provoquer son intervention
B60W 60/00 - Systèmes d’aide à la conduite spécialement adaptés aux véhicules routiers autonomes
G08G 1/09 - Dispositions pour donner des instructions variables pour le trafic
54.
MOLD OCCURRENCE PREDICTION DEVICE, MOLD OCCURRENCE PREDICTION SYSTEM, MOLD OCCURRENCE PREDICTION METHOD, AND MOLD OCCURRENCE PREDICTION PROGRAM
A mold occurrence prediction device (100) supports a plan for mold prevention by predicting the occurrence of mold on an item surface. A mold prediction unit (110) uses, as input variables (20), a surface temperature observed value (21), a room temperature observed value (22) at the time of observation, weather data including air temperature (23) at the time of observation at a peripheral location of the item surface, and weather data including air temperature (31) past at the peripheral location. The mold prediction unit (110) inputs the input variables (20) into a mold prediction model (50), and predicts, as mold occurrence information (40), the risk of mold occurrence on the item surface in a period after the present time.
G06Q 10/04 - Prévision ou optimisation spécialement adaptées à des fins administratives ou de gestion, p. ex. programmation linéaire ou "problème d’optimisation des stocks"
55.
BUILDING DETERMINATION DEVICE, BUILDING DETERMINATION METHOD, AND BUILDING DETERMINATION PROGRAM
A drawing unit (110) draws a wall model in a three-dimensional space. A scanning unit (120) projects a scanning line, as a room scanning line, for detecting a wall body constituting a room included in a building from a scanning point on each spatial constituent surface of three spatial constituent surfaces constituting the three-dimensional space in the normal direction of each spatial constituent surface of the three spatial constituent surfaces and into the three-dimensional space. A determination unit (130) detects wall bodies intersecting the room scanning line from a plurality of wall bodies, and generates a partial scanning line table (53) in which a start point and an end point of a partial scanning line and wall bodies adjacent to the partial scanning line are associated with each other, the partial scanning line being a part of the room scanning line between two wall bodies. The determination unit (130) classifies the partial scanning lines belonging to the same room region on the basis of the partial scanning line table (53), and acquires the area of a room wall constituting the room region using the partial scanning lines belonging to the same room region.
Provided is a method for accurately measuring the dynamic characteristics of an iron core equipped winding device. This iron core equipped winding device testing method is for measuring the electric characteristics of an iron core equipped winding device, said method including: a step (S01) for initiating a flow of current between the two terminals of the iron core equipped winding device; a step (S02) for initiating acquisition of a measured value of the voltage generated between the two terminals; a step (S03) for, after the flow of current between the two terminals has been initiated, interrupting the flow of current between the two terminals; and a step (S07) for calculating the electric characteristics of the iron core equipped winding device by analyzing (S04, S05, S06) an impulse-shaped voltage resonance waveform generated in the measured value during the step for interrupting the flow of current.
G01R 31/00 - Dispositions pour tester les propriétés électriquesDispositions pour la localisation des pannes électriquesDispositions pour tests électriques caractérisées par ce qui est testé, non prévues ailleurs
57.
SPATIOTEMPORAL INFORMATION MANAGEMENT DEVICE, SPATIOTEMPORAL INFORMATION MANAGEMENT SYSTEM, AND SPATIOTEMPORAL INFORMATION MANAGEMENT METHOD
The technology disclosed in the specification of the present application is technology for flexibly and efficiently managing three-dimensional spatial information. A spatiotemporal information management device according to the technology disclosed in the specification of the present application includes a collection unit for sequentially collecting at least one piece of three-dimensional spatial information, a division unit for dividing the collected three-dimensional spatial information into pieces of divided spatial information in units of time set on the basis of an amount of change along a temporal series of the three-dimensional spatial information, a first recording unit for recording the divided spatial information, and a providing unit for providing the divided spatial information externally.
The present invention is an injection molding machine (1). A mold (101) comprises an upper mold (102) and a lower mold (103). The lower mold (103) includes: a mounting platform (117) on which a workpiece (11) or a molded article (12) is mounted; moving sections (6, 109, 110, 112) that cause the mounting platform (117) to move up and down with respect to the lower mold (101); a workpiece conveyance platform (21) that carries the workpiece (11) into the mold (101) from a conveyance direction (T) set in advance; and a molded article conveyance platform (22) that carries the molded article (12) out from the mold (101) in the conveyance direction (T). The moving sections (6, 109, 110, 112) can move the mounting platform (117) so that the height in a vertical direction of the mounting platform (117) is the same as the height in the vertical direction of the workpiece conveyance platform (21) and the molded article conveyance platform (22).
B29C 33/12 - Moules ou noyauxLeurs détails ou accessoires comportant des moyens incorporés pour positionner des inserts, p. ex. marquages
B29C 45/14 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet en incorporant des parties ou des couches préformées, p. ex. moulage par injection autour d'inserts ou sur des objets à recouvrir
B29C 45/40 - Démoulage ou éjection des objets formés
59.
NEURAL RADIANCE FIELD TRAINING USING SPATIALLY DYNAMIC LOSS FUNCTIONS
Systems, methods, software, and devices are disclosed herein for training a neural network using multiple images of a scene captured from different viewing directions. A method of training the network includes identifying pixels in multiple images of a scene captured from different viewing directions, and determining, for each of the pixels, at least a known color value, a known radiance value, and a spatial value. The training minimizes a loss function having multiple loss terms: a first loss term that is dependent upon at least the known color value and the known radiance value for each of the pixels; and one or more additional loss terms dependent upon the spatial value determined for each pixel, such that the loss function varies for at least some of the pixels.
A method for controlling an electric vehicle (EV) comprises obtaining a set of models corresponding to functional components, mobility components, and thermal components of the EV. Physical state data of the EV and a driver command input corresponding to a functional component is collected. The method further comprises generating driving cycle data for the EV, based on the physical state data and determining operating points of at least one mobility component, based on the driving cycle data. Each operating point of the plurality of operating points is parameterized by a desired torque and speed of the EV. The method further comprises generating a set of control commands for the functional component, based on the plurality of operating points, the set of models stored in the memory, and the driver command input and controlling the functional component, based on the set of control commands.
B60L 15/20 - Procédés, circuits ou dispositifs pour commander la propulsion des véhicules à traction électrique, p. ex. commande de la vitesse des moteurs de traction en vue de réaliser des performances désiréesAdaptation sur les véhicules à traction électrique de l'installation de commande à distance à partir d'un endroit fixe, de différents endroits du véhicule ou de différents véhicules d'un même train pour la commande du véhicule ou de son moteur en vue de réaliser des performances désirées, p. ex. vitesse, couple, variation programmée de la vitesse
B60L 58/25 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries pour la commande de la température des batteries en commandant les charges électriques
B60L 58/26 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries pour la commande de la température des batteries par refroidissement
A first radar transmitter capable of transmitting a pulse-modulated radar signal to a target, a second radar transmitter capable of transmitting a radar signal to the target, a radar receiver capable of simultaneously receiving a radar signal transmitted by the first radar transmitter and reflected by the target and a radar signal transmitted by the second radar transmitter and reflected by the target, and a signal control unit to control one or more of a carrier frequency, a pulse recurrence frequency, and a duty ratio of a pulse-modulated radar signal, and a carrier frequency of a non-pulse-modulated radar signal with respect to the first radar transmitter or the first radar transmitter and the second radar transmitter are provided.
G01S 13/00 - Systèmes utilisant la réflexion ou la reradiation d'ondes radio, p. ex. systèmes radarSystèmes analogues utilisant la réflexion ou la reradiation d'ondes dont la nature ou la longueur d'onde sont sans importance ou non spécifiées
An electric motor drive device includes: a three-phase diode bridge which rectifies and converts a three-phase AC voltage into a DC voltage; an electrolytic capacitor which smooths a DC voltage; a DC reactor provided between the three-phase diode bridge and the electrolytic capacitor; an inverter which converts a DC voltage smoothed by the electrolytic capacitor into an AC voltage and outputs the AC voltage to a motor; a voltage detecting unit which detects a DC voltage output from the three-phase diode bridge; and an inverter control unit which detects an imbalanced state of the three-phase AC voltage on the basis of a DC voltage value which is a detection value of the DC voltage obtained by the voltage detecting unit, and controls the inverter on the basis of a detection result of the imbalanced state.
H02P 27/06 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs
F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
H02P 6/12 - Contrôle de la commutationIndication d'un défaut de commutation
A semiconductor laser light source device includes: a metal stem (1); a temperature control module (3) fixed to a front surface of the metal stem (1); a first support block (4) fixed to the temperature control module (3); a first dielectric substrate (5) having a back surface fixed to the first support block (4) and a front surface to which a semiconductor optical modulation element (6) is fixed and on which a first ground electrode pattern (5a) is formed; a second support block (9) fixed to the front surface of the metal stem (1); and a second dielectric substrate (10) fixed to the second support block (9) and having a front surface on which a second ground electrode pattern (10a) is formed. The second dielectric substrate (10) has a side surface located on the first dielectric substrate (5) side, the side surface having a region in which a metal film (13) electrically connected to the second ground electrode pattern (10a) is formed, the region having a length that is at least equal to or larger than half a length of the side surface.
Provided is a semiconductor device in which breakage of a lead part caused by vibration hardly occurs. A semiconductor device includes: a semiconductor module including a plurality of lead parts; a circuit substrate connected to the plurality of lead parts of the semiconductor module; and a heatsink attached to the semiconductor module on a side opposite to a side of the circuit substrate. The plurality of lead parts include first lead parts as the lead parts disposed on both ends and second lead parts as lead parts disposed in positions other than both ends. The first lead part is thicker than the second lead part in a part between a root part as a part protruding from the semiconductor module and a connection part as a part connected to the circuit substrate.
A calculation unit (110) calculates for each column in a plurality of tables, a call count which is the number of times that the column is called when data is acquired according to a data acquisition scenario, based on database configuration information. The calculation unit (110) calculates for each column set in the plurality of tables, a call count which is the number of times that the column set is called at the same timing when data is acquired from a database according to the data acquisition scenario. The calculation unit (110) calculates for each column set in the plurality of tables, a similarity degree between names of columns. A generation unit (130) generates a data model based on the call count for each column, the call count for each column set, and the similarity degree for each column set.
A mobile station operates as a master mobile station that, in a network that includes a plurality of mobile stations capable of terminal-to-terminal communication, transmits control information by the terminal-to-terminal communication, the control information being generated by a cooperative operation control device that controls a device to be controlled in consideration of a transmission delay time in an information transmission path, and includes: a scheduler unit that determines and changes a radio resource to be used in the terminal-to-terminal communication with a remote mobile station to which the device to be controlled is connected; and a time synchronization unit that checks whether a temporal position of the radio resource has been changed, and notifies a time synchronization control unit, that calculates the transmission delay time, of a change amount of the temporal position in a case where the temporal position has been changed.
An amplifying apparatus includes: a signal splitter that splits an amplification-target signal into a first input signal and a second input signal on the basis of the amplitude of the amplification-target signal; a first amplifier that amplifies the first input signal; a second amplifier that amplifies the second input signal; a synthesizing circuit that synthesizes a signal obtained after the amplification by the first amplifier and a signal obtained after the amplification by the second amplifier; and a discrete variable power supply that switches a power supply voltage applied to the output side of each of the first amplifier and the second amplifier on the basis of an amplitude range in which the amplitude of the amplification-target signal is included.
H03F 1/02 - Modifications des amplificateurs pour augmenter leur rendement, p. ex. étages classe A à pente glissante, utilisation d'une oscillation auxiliaire
H03F 1/56 - Modifications des impédances d'entrée ou de sortie, non prévues ailleurs
H03F 3/21 - Amplificateurs de puissance, p. ex. amplificateurs de classe B, amplificateur de classe C comportant uniquement des dispositifs à semi-conducteurs
A digital input unit (1) is connected to connected equipment (3) that outputs an analog signal, and comprises: a digital input circuit (11) that takes in and converts the analog signal to a digital signal; an analog input circuit (12) that takes in the analog signal; a digital input circuit filter (13) that removes noise in the digital signal converted by the digital input circuit (11); and a control part (14) that sets a digital filter constant of the digital input circuit filter on the basis of the analog signal taken in by the analog input circuit and a noise detection parameter.
A current supply unit (110) supplies a first current (I1) and a second current (I2) in a pulse shape to a semiconductor element simulation unit (120) and a measurement path including a gate resistance (162) and a parasitic resistance between a control terminal (11) and a negative electrode terminal (13) of a semiconductor element (10). The semiconductor element simulation unit (120) is configured such that, when the temperature of the semiconductor element (10) is a prescribed detection temperature, a first detection voltage (V1) generated in the measurement path in accordance with the first current (I1) and a second detection voltage (V2) generated in the semiconductor element simulation unit (120) in accordance with the second current (I2) become equal, whereas the temperature coefficient of the second detection voltage (V2) becomes smaller than the temperature coefficient of the first detection voltage (V1). A controller (150) detects thermal resistance deterioration of the semiconductor element (10) on the basis of the length of a period during which the first detection voltage (V1) is higher than the second detection voltage (V2) as measured by a voltage comparison unit (130) and a detection time measurement unit (140).
A ridge structure (5) including at least an active layer (3) is formed on a semiconductor substrate (1) of a first conductivity type. Block layers (6) are formed on both sides of the ridge structure (5). A contact layer (7) of a second conductivity type is formed on the ridge structure (5) and the block layers (6). Two grooves (10) are formed in the block layers (6) along the laser resonator direction from a light-emitting end surface (8) to a reflection end surface (9) so as to sandwich the ridge structure (5). The grooves (10) are formed in the block layers (6) and the contact layer (7) at a central part (14) in the laser resonator direction. The contact layer (7) is present above the grooves (10) at an end part (15) in the laser resonator direction, and a portion of the grooves (10) is a cavity.
The purpose of the present invention is to provide a power conversion device that can obtain a desired output voltage by combining outputs of a plurality of power conversion units, and with which increases in the input voltage of the power conversion units due to regenerative power can be suppressed. A power conversion device (10) comprises: a converter unit (11) including a plurality of isolated converters (11_m) that each output a secondary voltage (Vsm); and a multi-series inverter (12) that converts the secondary voltages (Vsm) to output voltages (Vm) and outputs the output voltages (Vm), includes a plurality of single-phase inverters (12_m) whose output sides are connected in series, and supplies the sum total of the output voltages (Vm) to a load (92) as a total output voltage (Vsum). If there is a single-phase inverter (12_m) in a regenerative state during a period in which the total output voltage (Vsum) is being supplied to the load (92), a controller (13) causes the bidirectional isolated converter (11_m) corresponding to the single-phase inverter (12_m) to implement a regenerative operation.
H02M 7/49 - Combinaison des formes de tension de sortie d'une pluralité de convertisseurs
72.
APPARATUS STATE DETERMINATION DEVICE, APPARATUS STATE DETERMINATION SYSTEM, MAIN-LINE-SIDE MEASUREMENT DEVICE, AND APPARATUS STATE DETERMINATION METHOD
An apparatus state determination device (1) comprises: an acquisition unit (31) that receives, together with time information, a measured value of an instantaneous value of a current flowing through a main power supply line (90) and a measured value of an instantaneous value of a current flowing through each of a plurality of branch power supply lines (92) branched from the main power supply line (90); a computation processing unit (33) that computes, on the basis of the information acquired by the acquisition unit (31), effective values of the current flowing through the main power supply line (90) and the current flowing through each of the branch power supply lines (92) at each of a plurality of times, as well as frequency spectra thereof; and an apparatus state determination unit (34) that determines the operation states of a plurality of electrical apparatuses and whether the main power supply line (90) and the branch power supply lines (92) are normal, by inputting the computation results of the computation processing unit (33) and the information of the plurality of times to a trained calculation model that is generated by machine learning and has the computation results of the computation processing unit (33) and the information of the plurality of times as input and outputs the operation states of the plurality of electrical apparatuses.
H02J 13/00 - Circuits pour pourvoir à l'indication à distance des conditions d'un réseau, p. ex. un enregistrement instantané des conditions d'ouverture ou de fermeture de chaque sectionneur du réseauCircuits pour pourvoir à la commande à distance des moyens de commutation dans un réseau de distribution d'énergie, p. ex. mise en ou hors circuit de consommateurs de courant par l'utilisation de signaux d'impulsion codés transmis par le réseau
G01R 21/00 - Dispositions pour procéder aux mesures de la puissance ou du facteur de puissance
H02J 3/00 - Circuits pour réseaux principaux ou de distribution, à courant alternatif
73.
NON-INVASIVE SUBSTANCE ANALYSIS DEVICE AND NON-INVASIVE SUBSTANCE ANALYSIS METHOD
A non-invasive substance analysis device (1) comprises: an optical medium (10); an excitation light source (20) that emits first excitation light (21a); an optical position detector (45); and an optical path switch (30). The optical medium (10) includes: a first placement region (15) on which a sample (18) is placed; and a second placement region (16) on which a reference substance (19) is placed. The light position detector (45) detects the position of a probe light (41) that is output from the optical medium (10). The optical path switch (30) switches the optical path of the first excitation light (21a) between a first optical path (24) and a second optical path (25). The first placement region (15) is irradiated with the first excitation light (21a) traveling through the first optical path (24). The second placement region (16) is irradiated with the first excitation light (21a) traveling through the second optical path (25).
This pulse power source device is provided with a plurality of charge/discharge circuits (511) arranged in series using a positive electrode line (61) and a negative electrode line (62). Each of the plurality of charge/discharge circuits (511) comprises a capacitor (13) that bridges the positive electrode line (61) and the negative electrode line (62), and a semiconductor switch (90) that toggles between serial connection and parallel connection of the relevant capacitor (13) with capacitors (13) of the other charge/discharge circuits (511). If the capacitor (13) is to be charged using power supplied from a charging power source, the semiconductor switch (90) connects said capacitor (13) with the capacitors (13) of the other charge/discharge circuits (511) in parallel, and if a voltage pulse is to be output to a load by discharge of the capacitor (13), the semiconductor switch (90) connects said capacitor (13) with the capacitors (13) of the other charge/discharge circuits (511) in series.
H02M 9/04 - Transformation d'une puissance d'entrée en courant continu ou courant alternatif en une puissance de sortie de choc avec une puissance d'entrée en courant continu en utilisant des condensateurs à accumulation
H03K 3/53 - Générateurs caractérisés par le type de circuit ou par les moyens utilisés pour produire des impulsions par l'utilisation d'un élément accumulant de l'énergie déchargé dans une charge par un dispositif interrupteur commandé par un signal extérieur et ne comportant pas de réaction positive
A pulsed electric field processing device (100) comprises: a pulse generator (102A) that outputs high-voltage pulses of positive polarity and negative polarity; a processing chamber (400) through which an object to be processed (300) passes; electrodes (101) installed in the processing chamber (400) and connected to the pulse generator (102A); and a control unit (102B) that controls the pulse generator (102A). The control unit (102B) causes the pulse generator (102A) to output group pulses, each of which comprises at least one high-voltage pulse, alternating between positive polarity and negative polarity, and adjusts the number of high-voltage pulses included in the group pulses on the basis of the amount of charge flowing in a single direction due to the group pulses.
Provided is a control device capable of preventing the output power of a distributed power supply from exceeding an output limit when the distributed power supply exerts a primary adjustment power contracted in a power market. A control device (10) controls a distributed power supply (20) that supplies a primary adjustment power for suppressing fluctuations in the system frequency of a power system by increasing or decreasing an output power to the power system. The control device (10) comprises: a command value determination unit (102) that determines, as a command value, the output power of the distributed power supply (20) at a reference frequency of the power system on the basis of the primary adjustment power contracted in a power market and at least one of the maximum value and the minimum value of power that can be output by the distributed power supply; a drooping characteristic determination unit (103) that determines a drooping characteristic which, with reference to the output power according to the command value, increases the output power in accordance with a decrease in a system frequency from the reference frequency and decreases the output power in accordance with an increase in the system frequency from the reference frequency; and an output unit (104) that outputs the command value and the droop characteristic to the distributed power supply (20).
Provided is an individual identification device comprising: a generative AI control unit that causes a generative artificial intelligence (AI) to produce a generated text representing a feature of an object in an image; and a determination unit that selects, from among stored texts representing features of respective ones of one or more stored objects, a text corresponding to the generated text produced by the generative AI, and determines the object in the image to be the object having the feature representing the selected text. Thus, the individual identification device can identify an individual even when fewer images are prepared in advance than conventionally.
The purpose of the present invention is to provide a feature capable of forming a p-type semiconductor layer at a low temperature. This method for manufacturing a semiconductor device includes a step for introducing lithium and lattice defects into a region within a silicon substrate. For example, lithium and lattice defects are introduced into the region by implanting lithium ions into a second main surface side that is opposite from a first main surface of the silicon substrate. Additionally, the method for manufacturing the semiconductor device reacts the lithium and lattice defects through a heat treatment at 200-500°C to form, in the region, a p-type semiconductor layer containing a complex defect made of lithium and lattice defects that expresses an acceptor.
H01L 21/265 - Bombardement par des radiations ondulatoires ou corpusculaires par des radiations d'énergie élevée produisant une implantation d'ions
H01L 21/336 - Transistors à effet de champ à grille isolée
H01L 29/78 - Transistors à effet de champ l'effet de champ étant produit par une porte isolée
H01L 29/167 - Corps semi-conducteurs caractérisés par les matériaux dont ils sont constitués comprenant, mis à part les matériaux de dopage ou autres impuretés, seulement des éléments du groupe IV de la classification périodique, sous forme non combinée caractérisés en outre par le matériau de dopage
79.
SECURITY QUALITY EVALUATION DEVICE, SECURITY QUALITY EVALUATION SYSTEM, SECURITY QUALITY EVALUATION METHOD, AND SECURITY QUALITY EVALUATION PROGRAM
A zone model generation unit (112) has a first axis for a countermeasure value serving as an index of the number of countermeasures to be applied to security threats, and a second axis for a threat value serving as an index of the number of threats to be dealt with, and generates one or more zone models in which a space formed by the first axis and the second axis is divided into a plurality of zones and a security opinion is set for each zone. A zone analysis unit (113) identifies a target countermeasure value and a target threat value on the basis of countermeasure threat information of one or more evaluation targets, and acquires an opinion corresponding to a set of the target countermeasure value and the target threat value from the zone model as a quality opinion for the quality of security of the evaluation target.
G06F 21/57 - Certification ou préservation de plates-formes informatiques fiables, p. ex. démarrages ou arrêts sécurisés, suivis de version, contrôles de logiciel système, mises à jour sécurisées ou évaluation de vulnérabilité
80.
GATE DRIVE DEVICE AND ELECTRIC POWER CONVERSION DEVICE
Provided is a gate drive device for a semiconductor switching element, wherein, on the basis of a switching speed selection signal (Vspd) corresponding to a semiconductor switching element (1), a switching speed is switched by increasing or decreasing the value of at least one of on-side impedances (4a, 4b) connected to a positive potential side and off-side impedances (5a, 5b) connected to a negative potential side, and a detection value of the switching speed associated with said increase or decrease in impedance value is compared with a reference value corresponding to the switching speed obtained in advance, thereby determining the presence or absence of an abnormality in at least one of a speed determination circuit (4) and a speed determination circuit (5) for switching the switching speed.
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
A device and a method for controlling a motor using a DFVC module and a CCAL module. The invention: determines a torque reference, determines, by the CCAL module, a flux reference and a current reference from the torque reference and a predetermined angle, provides the flux reference and the current reference to the DFVC module in order to obtain a reference voltage to be provided to the motor, injects a high frequency signal on the reference voltage, determines, from motor current vector, an estimate of the direction of a flux of the motor, determines, from the estimate of the direction of the flux, an estimate of a flux and an estimate of the current that flows perpendicular to the estimated direction of the flux, provides the estimate of the flux and the estimate of the current that flows perpendicular to the estimated direction of the flux to the DFVC module.
This model parameter estimation device comprises a state quantity calculator to calculate state quantities indicating a state of a target system with respect to a measured value of an input on the basis of a state equation obtained by assigning values to nonlinear parameters for a model that represents the target system using the nonlinear parameters and linear parameters, and time-series data of the input and an output of the target system, a linear parameter estimator to estimate the linear parameters that minimize an error between the measured value of the output and an estimated value of the output calculated on the basis of the model, the state quantities, and the measured value of the input, and a nonlinear parameter updater to repeatedly update the values of the nonlinear parameters so as to make the minimized error to be small until a convergence condition is satisfied.
G01R 31/367 - Logiciels à cet effet, p. ex. pour le test des batteries en utilisant une modélisation ou des tables de correspondance
G01R 31/388 - Détermination de la capacité ampère-heure ou de l’état de charge faisant intervenir des mesures de tension
G01R 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie
A rotating machine control device includes a voltage application unit that generates three-phase voltages; and a control unit that controls voltage generation operation of the voltage application unit in a first pulse-width modulation mode where a carrier wave frequency is asynchronous with a frequency of a voltage command or a second pulse-width modulation mode where a carrier wave frequency is synchronous with the frequency of the voltage command. On the basis of a first carrier wave used in generating a signal that controls the voltage application unit in the first pulse-width modulation mode, a second carrier wave used in generating a signal that controls the voltage application unit in the second pulse-width modulation mode, and an output voltage phase command, the control unit selects one of the first pulse-width modulation mode and the second pulse-width modulation mode as a pulse-width modulation method for controlling the voltage generation operation.
H02P 27/08 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs avec modulation de largeur d'impulsions
H02M 7/5395 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif 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, p. ex. onduleurs à impulsions à un seul commutateur avec commande automatique de la forme d'onde ou de la fréquence de sortie par modulation de largeur d'impulsions
A method for manufacturing a semiconductor apparatus includes the steps of: applying a first adhesive having heat dissipation property and thermosetting property onto each of surfaces of a plurality of devices joined to a surface of a substrate, and thereafter mounting heat dissipation blocks, and performing bonding by heat treatment; applying a second adhesive having heat dissipation property and thermosetting property onto each of surfaces of the heat dissipation blocks, so as to be higher than a height A of a molding resin that seals the devices in a later step; and curing the second adhesives by heat treatment while aligning, by using thicknesses of the second adhesives, heights to surfaces of the second adhesives so that the heights are matched with the height A of the molding resin.
This chilling unit comprises: an air heat exchanger provided with a pair of air heat exchange units that exchange heat between refrigerant and air; and a fan disposed above the air heat exchanger. The pair of air heat exchange units face each other in a first direction in plan view. When a direction orthogonal to the first direction in plan view is defined as a second direction, the pair of air heat exchange units are disposed with an increased spacing on the upper side so that, when viewed from the second direction, the pair of air heat exchange units forms a V-shape. Each of the pair of air heat exchange units comprises a main portion extending in the second direction in plan view, at least one inclined portion that is formed at least at one of both end portions in the second direction of the main portion and is inclined with respect to the main portion, and at least one curved portion between the main portion and the at least one inclined portion. The at least one inclined portion of each of the pair of air heat exchange units is inclined in a mutually approaching direction.
G01H 9/00 - Mesure des vibrations mécaniques ou des ondes ultrasonores, sonores ou infrasonores en utilisant des moyens sensibles aux radiations, p. ex. des moyens optiques
A vibration sensor (1) comprises: a light projection unit (10) having a laser light source (20) and a light projection optical system (30) that projects a spot (91) of laser light onto an object (90); a light reception unit (40) having an imaging sensor (50) and a light reception optical system (60) that condenses, on the imaging sensor (50), reflected and scattered light of the laser light with which the object is irradiated; and an image processing device (70) that measures vibration of the object (90) on the basis of the amount of inter-frame movement of a speckle pattern generated in the reflected and scattered light received by the imaging sensor (50). A first optical axis (11), which is the optical axis of the light projection unit (10), and a second optical axis (41), which is the optical axis of the light reception unit (40), intersect on the object (90). The light projection optical system (30) includes a spot-changing mechanism that changes the size of a spot (91) on the object (90). The image processing device (70) causes the spot-changing mechanism to change the size of the spot (91) on the object (90) on the basis of the measured vibration.
G01H 9/00 - Mesure des vibrations mécaniques ou des ondes ultrasonores, sonores ou infrasonores en utilisant des moyens sensibles aux radiations, p. ex. des moyens optiques
A vibration sensor (1) comprises: a light projection unit (10) having a laser light source (20) and a light projection optical system (30); a light reception unit (40) having a line sensor (50) and a light reception optical system (60); and an image processing device (70) that calculates an amount of movement between frames of a speckle pattern generated in reflected and scattered light of the laser light, and estimates vibration of an object (10) on the basis of the amount of movement. A first optical axis of the light projection unit (10) and a second optical axis of the light reception unit (40) intersect each other on the object, an X direction in which the line sensor (50) extends is the same as the direction in which a linear spot (91) extends, the light reception optical system (60) is axially asymmetric with respect to the X direction and a Y direction, an image (93) of the object (90) formed by the light reception optical system (60) is not focused on a light reception surface of the line sensor (50) in the X direction, and the image (93) of the object (90) formed by the light reception optical system (60) is focused on the light reception surface of the line sensor (50) in the Y direction.
G01H 9/00 - Mesure des vibrations mécaniques ou des ondes ultrasonores, sonores ou infrasonores en utilisant des moyens sensibles aux radiations, p. ex. des moyens optiques
An optical coherence distance measuring device (100) comprises a first lens (15) that condenses signal light (51A) emitted by an optical transmission component (18) on an object (19) to be measured, a second lens (16A) that is used for scanning at a first magnification, a third lens (16B) that is used for scanning at a second magnification higher than the first magnification, and a lens switching unit (16) that inserts the second lens (16A) between the first lens (15) and the optical transmission component (18) when scanning at the first magnification, and inserts the third lens (16B) between the first lens (15) and the optical transmission component (18) when scanning at the second magnification, characterized in that the distance between the first lens (15) and the object (19) is maintained in a state in which the signal light (51A) can be condensed on the surface of the object (19).
G01S 17/34 - Systèmes déterminant les données relatives à la position d'une cible pour mesurer la distance uniquement utilisant la transmission d'ondes continues, soit modulées en amplitude, en fréquence ou en phase, soit non modulées utilisant la transmission d'ondes continues modulées en fréquence, tout en faisant un hétérodynage du signal reçu, ou d’un signal dérivé, avec un signal généré localement, associé au signal transmis simultanément
G01C 3/06 - Utilisation de moyens électriques pour obtenir une indication finale
91.
TRAIN INTERIOR MONITORING SYSTEM AND TRAIN INTERIOR MONITORING METHOD
A train interior monitoring system includes an on-board video storage unit that stores, as image information, video data of an interior of trains and parameter information; an on-board control unit that controls operations of devices installed on the trains; an on-board display unit that provides a display; an on-board communication unit that sends the image information stored in the on-board video storage unit when one of the trains is in a stoppage state; and a video analysis server that determines whether there is a left-behind article on each of the trains using the image information, and when the video analysis server detects presence of a left-behind article, generates a left-behind article notification indicating that there is a left-behind article. The on-board display unit displays contents of the left-behind article notification.
The present disclosure relates to a waveguide-type light-receiving device. An object of the present disclosure is to provide a waveguide-type light-receiving device that can perform efficient photoelectric conversion on incident light, and thus can increase light-receiving sensitivity. A waveguide-type light-receiving device of the present disclosure includes a light-absorbing layer that subjects incident light to photoelectric conversion, and a semiconductor embedding layer in which the light-absorbing layer is embedded. A light-incidence-side end face of the light-absorbing layer forms an angle not parallel with a light-incidence-side end face of the semiconductor embedding layer. The refractive index of the semiconductor embedding layer is lower than the refractive index of the light-absorbing layer.
H10F 30/223 - Dispositifs individuels à semi-conducteurs sensibles au rayonnement dans lesquels le rayonnement commande le flux de courant à travers les dispositifs, p. ex. photodétecteurs les dispositifs ayant des barrières de potentiel, p. ex. phototransistors les dispositifs étant sensibles au rayonnement infrarouge, visible ou ultraviolet les dispositifs ayant une seule barrière de potentiel, p. ex. photodiodes la barrière de potentiel étant du type PIN
H10F 77/124 - Matériaux actifs comportant uniquement des matériaux du groupe III-V, p. ex. GaAs
An inspection jig for a semiconductor device provided with a plurality of lead pins includes: a contact portion in which contact electrodes are formed at troughs of first saw teeth; and a pressing portion in which second saw teeth are formed. During inspection of the semiconductor device, the contact portion is disposed such that the troughs of the first saw teeth correspond to the plurality of lead pins, the pressing portion is disposed such that the second saw teeth apply, to the plurality of lead pins, pressure toward the troughs of the first saw teeth, and the pressing portion applies pressure to the contact portion in a direction in which the plurality of lead pins extend, so that the pressing portion and the contact portion integrally move in the direction in which the plurality of lead pins extend.
A learning device includes processing circuitry configured to: construct, on a basis of training data explainable by a plurality of explanatory variables and a first explanatory variable that is an explanatory variable designated from an outside and is one of the plurality of explanatory variables, a first regression model applicable to the training data and the first explanatory variable; select a second explanatory variable from among the plurality of explanatory variables, and to select, from the training data, a second explanatory variable with which target data regarded as varying on a basis of the constructed first regression model is separable from the training data; and construct, using training data after the target data is separated on a basis of the selected second explanatory variable and the first explanatory variable, a second regression model applicable to the training data and the first explanatory variable.
G06N 20/20 - Techniques d’ensemble en apprentissage automatique
G06V 10/22 - Prétraitement de l’image par la sélection d’une région spécifique contenant ou référençant une formeLocalisation ou traitement de régions spécifiques visant à guider la détection ou la reconnaissance
G06V 10/776 - ValidationÉvaluation des performances
A structure formed by placing a metal sheets one on another in a sheet-thickness direction, the metal sheets each having an electrically conductive base material covered with an insulating coating, the structure including: a protrusion provided on a first metal sheet of the metal sheets that are adjacent to each other and are fastened together with a screw, the protrusion protruding toward a second metal sheet; an elastically deformable portion provided on the metal sheet in such a manner that the elastically deformable portion surrounds the protrusion, the elastically deformable portion being elastically deformable at the time of the fastening with the screw; a protrusion disposed on the metal sheet in such a manner that the protrusion protrudes toward the metal sheet, and crosses the protrusion; and an elastically deformable portion provided on the metal sheet in such a manner that the elastically deformable portion surrounds the protrusion.
A diagnostic device (1) for diagnosing the state of a bearing is provided with a relative rotation speed acquisition unit (21), a vibration signal acquisition unit (22), and a diagnostic unit (24). The relative rotation speed acquisition unit (21) acquires the relative rotation speed between an inner ring and an outer ring of the bearing. The vibration acquisition unit (22) acquires a vibration sensor signal output by a vibration sensor (92) that measures the magnitude of vibration of the bearing. The diagnostic unit (24) determines that an abnormality has occurred in the bearing if it is detected, from the vibration sensor signal, that the magnitude of rotation synchronous vibration is equal to or greater than a threshold value within a range in which the relative rotation speed is less than a reference rotation speed and that the magnitude of the rotation synchronous vibration is less than the threshold value when the relative rotation speed is equal to or greater than the reference rotation speed in a case where the rotation synchronous vibration, the frequency of which increases as the relative rotation speed increases, has been detected.
A communication system includes a core network-side apparatus a base station and a repeater configured to perform relay processing between the base station and a communication terminal, the repeater being configured to notify the core network-side apparatus of at least one of information on propagation delay between the base station in connection and the repeater, information on a location of the repeater, and information on processing delay in the repeater, the communication terminal being configured to perform measurement of a positioning signal transmitted by the repeater, and notify the core network-side apparatus of measurement results of the positioning signal, and the core network-side apparatus being configured to calculate a location of the communication terminal, based on the information notified from the repeater and the measurement results notified from the communication terminal.
A semiconductor light-receiving device (100) according to the present disclosure includes: a semiconductor substrate (2); a digital alloy-type multiplication layer (4) formed above the semiconductor substrate (2) and having a digital alloy structure comprising alternately stacked multiple layers of a plurality of first semiconductor layers comprising a superlattice layer made of IV group atoms and a plurality of second semiconductor layers having a bandgap energy larger than a bandgap energy of the first semiconductor layer; an electric field control layer (5) formed above the digital alloy-type multiplication layer (4) and configured to relax an electric field; and a light absorption layer (6) formed above the electric field control layer (5) and configured to absorb incident light.
H10F 30/225 - Dispositifs individuels à semi-conducteurs sensibles au rayonnement dans lesquels le rayonnement commande le flux de courant à travers les dispositifs, p. ex. photodétecteurs les dispositifs ayant des barrières de potentiel, p. ex. phototransistors les dispositifs étant sensibles au rayonnement infrarouge, visible ou ultraviolet les dispositifs ayant une seule barrière de potentiel, p. ex. photodiodes la barrière de potentiel fonctionnant en régime d'avalanche, p. ex. photodiodes à avalanche
H10F 77/124 - Matériaux actifs comportant uniquement des matériaux du groupe III-V, p. ex. GaAs
100.
CONTENT DISTRIBUTION SYSTEM AND NON-TRANSITORY COMPUTER READABLE MEDIUM
A subject distribution apparatus, which is a content distribution apparatus, includes a transmission unit (121). The transmission unit (121) transmits K2 pieces of blocks selected from among K1 pieces of encoded blocks (132) and M pieces of redundant data blocks (133) based on erasure correction coding, together with a transmission source identifier, as wireless signals. Further, when a destination identifier indicated in a reception response received from each content distribution apparatus is consistent with an apparatus identifier of the subject distribution apparatus, the transmission unit (121) transmits K2-Rmin pieces of blocks selected from among blocks that have not been transmitted among the K1 pieces of encoded blocks (132) and the M pieces of redundant data blocks (133), as wireless signals, where the relatively small number of blocks among the number of blocks that have succeeded to be received as indicated in each received reception response is denoted as Rmin.
