A power conversion device includes rectifier circuitry that rectifies a first alternating current supplied from a power source and outputs a first current, which is the rectified current, a smoothing capacitor connected between the output terminals of the rectifier circuitry, an inverter including input terminals, converting a second current, which is a current of the first current input to the input terminals, into a second alternating current, and outputting the second current, a snubber capacitor connected between the input terminals in the proximity of the input terminals, and a controller that controls the inverter so that the second alternating current includes pulsation corresponding to pulsation of the second current.
H02M 7/5387 - 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 dans une configuration en pont
H02M 5/458 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant alternatif, p. ex. pour changement de la tension, pour changement de la fréquence, pour changement du nombre de phases avec transformation intermédiaire en courant continu par convertisseurs statiques utilisant des tubes à décharge ou des dispositifs à semi-conducteurs pour transformer le courant continu intermédiaire en courant alternatif utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage
2.
CLEARANCE MEASUREMENT DEVICE FOR COUNTERWEIGHT OF ELEVATOR
Obtained is a clearance measurement device for a counterweight of an elevator, which enables measurement of a clearance for a counterweight without removal of a protective cover. This clearance measurement device for a counterweight of an elevator includes: a level meter; and a holding part that is provided to a protective cover and holds the level meter in such a manner that the level meter is movable in an up-and-down direction with respect to the protective cover. The level meter includes: a receiving portion to be pushed by a counterweight from above; a mark portion that is provided to the receiving portion and is configured to indicate a position of a lower end portion of the counterweight; and a guide portion configured to guide the receiving portion and the mark portion along the protective cover.
B66B 5/00 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs
B66B 5/12 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs réagissant à des conditions de fonctionnement anormales en cas de mou dans le filin ou le câble
3.
MACHINE LEARNING APPARATUS, WBS CREATION APPARATUS, AND MACHINE LEARNING METHOD
An object is to provide a technique capable of creating an appropriate general-purpose WBS. A machine learning apparatus includes an acquisition part and a learning control part. The acquisition part acquires first information regarding a WBS work package of standard, second information regarding a WBS work package of a project corresponding to the standard, and third information regarding a process diagnosis result of a project corresponding to the standard. The learning control part performs learning regarding a WBS work package based on the first information, the second information, and the third information, thereby creating associated information associating the first information, the second information, and the third information.
An optical measuring device includes: a light source that outputs swept light an irradiation optical system that emits output light for measurement formed with the swept light in a space toward the measurement surface of a measurement target, receives reflected light reflected by the measurement surface of the measurement target, and outputs the reflected light a reference light path that outputs output light for reference formed with the swept light; a measurement information acquiring unit that multiplexes the reflected light for measurement and the reference light, and outputs measurement information obtained by photoelectrically converting the multiplexed interfering light; and an information processing unit that obtains spectrum information by performing Fourier transform on the measurement information corrects the obtained spectrum information using variable factor information, and obtain information about the distance to the measurement surface of the measurement target on the basis of the corrected spectrum information.
G01B 9/02004 - Interféromètres caractérisés par la commande ou la génération des propriétés intrinsèques du rayonnement utilisant plusieurs fréquences utilisant le balayage des fréquences
G01B 9/02091 - Interféromètres tomographiques, p. ex. à cohérence optique
G01B 11/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques
A radar device includes: a beat signal generation unit to generate an I-axis local oscillator signal and a Q-axis local oscillator signal from a local oscillator signal that is a real signal, mix the I-axis local oscillator signal and a received signal to generate an I-axis beat signal, and mix the Q-axis local oscillator signal and the received signal to generate a Q-axis beat signal; and a signal processing unit to perform signal processing on I-axis digital data and Q-axis digital data obtained by sampling the I-axis beat signal and the Q-axis beat signal, and the signal processing unit generates complex digital data from the I-axis digital data and the Q-axis digital data, performs two-dimensional FFT on the complex digital data, and measures a range and a Doppler velocity of an observation target on the basis of a property that an analytic signal does not have a negative frequency component.
A method of diagnosing whether there is abnormality includes obtaining data having a quantity of state of one or more assessment items from the facility, classifying, for each operation state of the facility, data obtained from the facility, assessing sufficiency of the number of pieces of data for each classified data group, calculating multiple parameter values configuring a trained model in accordance with the sufficiency and holding the parameter values in association with the operation state, obtaining the parameter values configuring the trained model without overlaps for each parameter, in accordance with the operation state of data to be diagnosed and a status of holding of the parameter values associated with each operation state, creating the trained model to diagnose data, with the parameter values, calculating a degree of abnormality for determination as to abnormality based on the trained model, and determining whether or not there is the abnormality.
A power converter includes: a rectifier that rectifies a first alternating-current power supplied from an alternating-current power supply; a smoother connected to an output end of the rectifier; an inverter that is connected across the smoother, converts a first direct-current power output from the rectifier and the smoother into a second alternating-current power, and outputs the second alternating-current power to a motor; a controller that controls an operation of the inverter such that the second alternating-current power containing pulsation according to pulsation of power flowing into the smoother from the rectifier is output from the inverter to the motor; a DC-DC converter that includes at least one switching element, is connected across the smoother, and converts the first direct-current power into a second direct-current power by causing the switching element to perform switching; and a DC-DC converter controller that causes the switching element to perform switching.
H02M 1/12 - Dispositions de réduction des harmoniques d'une entrée ou d'une sortie en courant alternatif
H02M 3/335 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu avec transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrodes de commande pour produire le courant alternatif intermédiaire utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
H02M 7/06 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge sans électrode de commande ou des dispositifs à semi-conducteurs sans éléctrode de commande
H02M 7/537 - 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
H02P 27/00 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation
This communication system includes: an anchor network which is a network having a user plane function for direct connection with a data network of a data transmission/reception destination of a communication terminal; and a non-anchor network which is a network that connects to the data network via the anchor network. When switching a connected network to another network, the communication terminal uses a plurality of protocol stacks to connect to both the anchor network and the non-anchor network to transition to a state for communicating with the data network, and subsequently terminates communication with the data network via the connected network.
A LiDAR SLAM unit (111) uses measurement data obtained from a LiDAR sensor mounted on a mobile body to execute SLAM and generate a LiDAR SLAM map. A camera SLAM unit (112) uses measurement data obtained from a distance image camera mounted on the mobile body to execute SLAM and generate a camera SLAM map. An attack determination unit (122) determines whether the LiDAR sensor has been attacked on the basis of a difference between the LiDAR SLAM map and the camera SLAM map.
A control method for controlling an electro-mechanical system according to a task estimates the state of the system using an adaptive surrogate model of the system to produce an estimation of the state of the system. The adaptive surrogate model includes a neural network employing a weighted combination of neural ODEs of dynamics of the system in latent space, such that weights of the weighted combination of neural ODEs represent the uncertainty. The method controls the system according to the task based on the estimation of the state of the system and tunes the weights of the weighted combination of neural ODEs based on the controlling.
G05B 13/04 - Systèmes de commande adaptatifs, c.-à-d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques impliquant l'usage de modèles ou de simulateurs
G05B 17/02 - Systèmes impliquant l'usage de modèles ou de simulateurs desdits systèmes électriques
A method in a communication system comprising a transmitter and a receiver communicating through a communication channel comprises:
Obtaining a first received sequence corresponding to the transmission of a first pilot sequence by the transmitter to the receiver;
Estimating r responsive to the first pilot sequence and the first received sequence, r being equal to the convolution of a first linear filter and a second linear filter;
Determining a plurality of candidates for the first linear filter responsive to the estimated {circumflex over (r)};
Obtaining a second received sequence corresponding to the transmission of a second pilot sequence by the transmitter to the receiver; and
Determining the non-linear function and selecting one candidate for the first linear filter among the plurality of candidates responsive to the second pilot sequence and the second received sequence.
A learning device trains an inference model to be a trained inference model using training data, the inference model being a model that infers a normal value of a specific parameter of an air conditioning system from operation data of the air conditioning system acquired in an operation period for which the air conditioning system is normal, of continuous first to N-th operation periods (N is the natural number), the training data including the operation data of the air conditioning system. An inference device, using the inference model, infers the normal value from operation data of the air conditioning system acquired in a (N+1)-th operation period. A determination device determines whether the air conditioning system in the (N+1)-th operation period is abnormal, based on comparison between the normal value and the specific parameter in the (N+1)-th operation period.
A wave source location direction estimation apparatus includes: a signal acquisition unit to acquire a reception signal of one or more radio waves from an antenna to receive the one or more radio waves from among a direct wave which is a radio wave from a wave source and one or more multipath waves which are radio waves from the wave source; and a profile calculation unit to calculate an angle profile including directions of incidence of the respective radio waves on the antenna, and reception power levels of the respective radio waves on the basis of the reception signal acquired by the signal acquisition unit. In addition, the wave source location direction estimation apparatus includes a direction estimation unit to estimate a direction in which the wave source is located on the basis of the angle profile calculated by the profile calculation unit.
G01S 3/14 - Systèmes pour déterminer une direction ou une déviation par rapport à une direction prédéterminée
G01S 3/04 - Radiogoniomètres pour déterminer la direction d'où proviennent des ondes infrasonores, sonores, ultrasonores ou électromagnétiques ou des émissions de particules sans caractéristiques de direction utilisant des ondes radio Détails
G01S 3/10 - Moyens pour réduire ou compenser les erreurs dues aux variations sinusoïdales d'une composante, les erreurs de site ou les erreurs similaires
An outdoor unit of an air conditioner includes: a housing having a box shape, the housing being made of first metal; a heat exchanger disposed in the housing and fixed to the housing via a non-conductive material, at least part of the heat exchanger being made of second metal, the second metal being different in spontaneous potential from the first metal; and a conductive material made of nonmetal, the conductive material being disposed in the housing. The conductive material is fixed to the housing and electrically connected to the housing, and is electrically connected to the heat exchanger.
The present disclosure includes: an optical semiconductor element having a front surface on which an electrode pad is formed; an insulating substrate having a front surface and a back surface on which respective electrode pads are formed; and an Au bump with which the electrode pad on the back surface of the insulating substrate and the electrode pad of the semiconductor element are joined to each other. The insulating substrate is disposed such that the back surface thereof faces the front surface of the semiconductor element. The electrode pad on the back surface of the insulating substrate is connected via a through-hole to the electrode pad on the front surface of the insulating substrate.
A steering control device includes: a target steering torque setting circuitry; a calculation circuitry; and a current drive circuitry. The target steering torque setting circuitry includes a first torque calculation circuitry configured to calculate a first shift amount by multiplying a rotation angular velocity of the motor by a steering angle gain, and to obtain a first torque based on a post-shift steering angle obtained by adding the first shift amount to the steering angle and a base map showing a characteristic of gradually increasing a base torque with the post-shift steering angle, a second torque calculation circuitry configured to obtain a second torque for imparting hysteresis to the target steering torque by using the rotation angular velocity of the motor, and a target steering torque calculation circuitry configured to add the first torque and the second torque to be output as the target steering torque.
B62D 5/04 - Direction assistée ou à relais de puissance électrique, p. ex. au moyen d'un servomoteur relié au boîtier de direction ou faisant partie de celui-ci
17.
TASK ALLOCATION APPARATUS AND TASK ALLOCATION METHOD
An object of the present disclosure is to provide a task allocation apparatus capable of suppressing cost and deriving an efficient and optimal method of dividing a task. A task allocation apparatus according to the present disclosure includes: a simulation execution unit simulating a cooperation operation between at least a cloud server and an edge device; a metrics extraction unit extracting simulation environment metrics as an index for evaluating a non-functional requirement in the cooperation operation from an execution log as an execution result of the simulation execution unit; and a task allocation unit deriving at least one allocation of a task executing the cooperation operation based on the simulation environment metrics extracted by the metrics extraction unit.
Systems, methods, software, and devices are disclosed herein that transform spatial input into modal output comprising learned modal components of an impulse response. A neural network interpolates the modal components of the impulse response based on a desired sound source direction represented in the spatial input. The learned modal components are then used to determine coefficients for an infinite impulse response filter that transforms anechoic audio into spatialized audio. The spatialized audio provides a directional effect to a listener as having arrived from the desired sound source direction.
A Doherty amplifier according to an aspect of the present disclosure includes a heat sink; a resin substrate mounted on the heat sink, and having a cavity formed to expose the heat sink, the resin substrate being formed by stacking a plurality of resin layers and a plurality of metal layers; a main amplifier mounted in the cavity; a peak amplifier mounted in the cavity; and an inductor, wherein the resin substrate has a partition wall part that separates at least a portion of the main amplifier from at least a portion of the peak amplifier, the plurality of metal layers of the partition wall part are electrically connected to the heat sink, and the inductor is mounted on the partition wall part, and electrically connected to the plurality of metal layers.
H03F 1/02 - Modifications des amplificateurs pour augmenter leur rendement, p. ex. étages classe A à pente glissante, utilisation d'une oscillation auxiliaire
H01L 23/36 - Emploi de matériaux spécifiés ou mise en forme, en vue de faciliter le refroidissement ou le chauffage, p. ex. dissipateurs de chaleur
H03F 3/21 - Amplificateurs de puissance, p. ex. amplificateurs de classe B, amplificateur de classe C comportant uniquement des dispositifs à semi-conducteurs
23.
ROTOR, ELECTRIC MOTOR, FAN, VENTILATOR, AND AIR CONDITIONER
A rotor includes an outer rotor part and an inner rotor part provided inside the outer rotor part. The outer rotor part is a bonded magnet with a relative permittivity larger than 40 and equal to or smaller than 200. The inner rotor part is an insulating material with a relative permittivity equal to or smaller than 10. The rotor satisfies D2=D3 and 0.15≤(D3−D4)/(D1−D2), where D1 is an outer diameter of the outer rotor part, D2 is an inner diameter of the outer rotor part, D3 is an outer diameter of the inner rotor part, and D4 is an inner diameter of the inner rotor part.
A power converting apparatus includes: a rectifier unit rectifying first alternating-current power supplied from a commercial power supply; a capacitor connected to an output end of the rectifier unit; an inverter connected across the capacitor, the inverter generating second alternating-current power and outputting the second alternating-current power to a motor; a voltage detecting unit detecting a first direct-current bus voltage, the first direct-current bus voltage being a voltage across the capacitor; and a control unit including a specific frequency bandpass unit passing a defined frequency band among power-supply pulsatile components contained in the first direct-current bus voltage, the control unit controlling an operation of the inverter and the motor by using a second direct-current bus voltage, the second direct-current bus voltage being the first direct-current bus voltage after passing through the specific frequency bandpass unit.
H02M 7/537 - 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
H02M 7/12 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande
An electric motor includes a rotor, a stator, a bracket, and a screw. The stator includes a stator core, a resin component having a fixing hole, and a molded resin molded unitedly with the stator core and the resin component. The molded resin is a thermosetting resin, The resin component is a thermoplastic resin. The resin component includes an opening and a bottom. An inside diameter of the fixing hole decreases from the opening to the bottom.
H02K 1/18 - Moyens de montage ou de fixation des parties magnétiques fixes sur ou aux structures constituant le stator
H02K 3/32 - Enroulements caractérisés par la configuration, la forme ou la réalisation de l'isolement
H02K 9/22 - Dispositions de refroidissement ou de ventilation par un matériau solide conducteur de la chaleur s'encastrant dans, ou mis en contact avec, le stator ou le rotor, p. ex. des ponts de chaleur
An aspect of an indoor unit according to the present disclosure is an indoor unit of an air conditioner, the indoor unit including: a heat exchanger; a cross-flow fan; a housing that includes a suction port and a blowout port and that accommodates the heat exchanger and the cross-flow fan therein; and a stabilizer that separates a suction flow path and a blowout flow path of the cross-flow fan from each other, in which the stabilizer includes a tongue portion that extends along an outer circumferential surface of the cross-flow fan and that has a facing surface facing the cross-flow fan, a first protrusion portion that protrudes from the facing surface toward the cross-flow fan, and a second protrusion portion that protrudes from the facing surface toward the cross-flow fan and that is located closer to a blowout flow path than the first protrusion portion.
A state signal generation unit that detects the state of a mechanical apparatus as a state signal, a condition signal generation unit that generates a condition signal by detecting the operating status of the mechanical apparatus as an operating condition, a state feature generation unit that generates state features from the state signal, a condition feature generation unit that generates condition features from the condition signal, an initial state learning unit that executes learning based on initial learning state features and outputs initial state learning results, an initial condition learning unit that executes learning based on initial learning condition features and outputs initial condition learning results, an anomaly degree calculation unit that calculates the degree of anomaly based on state learning results and detection state features, and an unknownness degree calculation unit that calculates the degree of unknownness based on condition learning results and detection condition features are included.
A heat pump apparatus according to the present disclosure is a heat pump apparatus for supplying heat for hot water storage operation to raise a temperature of water in a hot water storage tank. The heat pump apparatus includes a constant speed compressor, a first heat exchanger for exchanging heat between refrigerant compressed by the constant speed compressor and a heat medium, a variable speed compressor, and a second heat exchanger for exchanging heat between refrigerant compressed by the variable speed compressor and the heat medium downstream of the first heat exchanger. A hot water supply system according to the present disclosure includes the heat pump apparatus, the hot water storage tank, and a water heat exchanger for exchanging heat between the heat medium flowed out of the heat pump apparatus and water stored in the hot water storage tank.
An inspection apparatus includes: an imaging apparatus that is disposed above an aluminum wire and captures an image of the aluminum wire in order to obtain two-dimensional position information of the aluminum wire; a coaxial illuminator that is disposed coaxially with the imaging apparatus and applies coaxial illumination light to the aluminum wire; and a control apparatus that obtains, from the image, two-dimensional position information of a region existing on a vertex portion of the aluminum wire and having brighter luminance than a surrounding area and a region existing on a wire bonding portion, which is a bonding portion of the aluminum wire, and having brighter luminance than a surrounding area.
A first learning unit (22) generates a first learning model by employing each of n pieces of learning data, as a subject, and performing training using subject learning data. A model integration unit (23) generates an integrated model by integrating m pieces of first learning models selected from n pieces of first learning models. A data generation unit (24) generates new learning data by rewriting a label assigned to subject data with a soft label which is a result obtained by giving to the integrated model, the subject data which is learning data other than learning data used for the training in the generation of the m pieces of first learning models that are the basis of the integrated models, as input. A second learning unit (25) generates a second learning model by performing training using the new learning data.
Disclosed is a thermal infrared detector including: an infrared detection unit provided on a surface of a substrate; a peripheral circuit provided in such a way as to surround the infrared detection unit on the surface of the substrate; a sealing part provided for the peripheral circuit in such a way as to surround the infrared detection unit; a sealing window provided on the sealing part, and forming an internal space in a sealed state for accommodating the infrared detection unit, together with the substrate, the peripheral circuit, and the sealing part; an infrared absorption film to cover at least surface portions inside the sealing part, out of surfaces of the peripheral circuit; and a heat waste wire provided inside the peripheral circuit, and thermally connecting between the substrate and the infrared absorption film.
A circuit quality confirmation apparatus (10) includes a worst condition calculation unit (11) and a static validation tool execution unit (12). The worst condition calculation unit (11) calculates, using a dedicated timing constraint (21) that indicates an upper limit of a wiring delay value of an asynchronous clock interface path in an embedded circuit in which an asynchronous clock interface circuit where an input/output waveform of a signal is uniquely defined in accordance with a timing condition that is set is embedded, a worst condition (22). The worst condition (22) is a timing condition that is a theoretical limit of data that can be taken in in a subsequent stage of the asynchronous clock interface path in the embedded circuit, and that is a timing condition that is calculated based on a wiring delay in a post-layout netlist corresponding to the embedded circuit, and delay time corresponding to a deviation in timing of a signal. The static validation tool execution unit (12) validates quality of the embedded circuit by executing a static validation tool using the worst condition (22) that is calculated.
A posture improvement assistance system includes: an input device that receives input of user information which is information regarding a posture of a user; a processing device that generates a current silhouette representing a current posture of the user on the basis of the user information; and an output device that outputs the current silhouette and an ideal silhouette representing an ideal posture of the user.
In the present invention, if a user of a Y-Company-made apparatus (6) needs to be notified, a Y-Company server (3) transmits, to the Y-Company-made apparatus (6), a communication frame indicating a notification request storing notification content, and the Y-Company-made apparatus (6) converts the communication frame indicating the notification request received from the Y-Company server (3) to a communication frame conforming to a communication protocol A, and transmits same to a gateway (4). The gateway (4) transfers the communication frame indicating the notification request received from the Y Company-made apparatus (6) to an operation terminal (8), and the operation terminal (8) displays the content of the communication frame indicating the notification request received from the gateway (4).
H04L 12/28 - Réseaux de données à commutation caractérisés par la configuration des liaisons, p. ex. réseaux locaux [LAN Local Area Networks] ou réseaux étendus [WAN Wide Area Networks]
H04L 12/66 - Dispositions pour la connexion entre des réseaux ayant différents types de systèmes de commutation, p. ex. passerelles
H04L 69/08 - Protocoles d’interopérabilitéConversion de protocole
35.
BLOWER, AIR CONDITIONER, AND REFRIGERATION CYCLE DEVICE
A blower according to the present disclosure comprises: a housing in which a suction port and a blowout port are formed; a heat exchanger disposed so as to face the suction port inside the housing; a fan disposed so as to face the blowout port inside the housing; a bell mouth that is formed in an annular shape so as to surround the peripheral edge part of the blowout port, and that is provided with a straight pipe part that surrounds the fan and a diffusion part the inner diameter of which increases in the downstream direction; a grill disposed downstream of the blowout port; and a rectification guide provided to the grill. The peripheral edge part of the blowout port is divided into a straight priority part and a diffusion priority part in the circumferential direction. The rectification guide that guides air in the straight direction is disposed in the straight priority part. Air is blown out along the diffusion part of the bell mouth at the diffusion priority part.
A band synthesis circuit (10A) is provided with delta-sigma DACs (2A-1, 2A-2), a multiplexing circuit (4A), and a BPF (5A). The delta-sigma DACs (2A-1, 2A-2) each perform processing including quantization on an input signal, and output an output signal including a signal effective for a first band that is a part of an entire frequency band to be outputted and not including a signal effective for a second band. The multiplexing circuit (4A) synthesizes a plurality of output signals outputted from the delta-sigma DACs (2A-1, 2A-2). The BPF (5A) allows passage of a signal, among output signals from the delta-sigma DAC (2A-1), of a passband that is a partial frequency band included in the second band and that includes some of quantization noise generated in the delta-sigma DAC (2A-1), and blocks the remainder. The output of the BPF (5A) is subtracted from the input signal to the delta-sigma DAC (2A-2) in which the passband of the BPF (5A) and the first band of the output signal overlap.
Provided is an outdoor unit of an air conditioner having a refrigerant circuit in which a refrigerant circulates through flow paths configured by connecting piping to an indoor unit, the outdoor unit comprising: a compressor that compresses and discharges the refrigerant; a plurality of outdoor heat exchangers that exchange heat with air outside a space to be air-conditioned; and a refrigerant flow path switching device that switches the flow paths between a flow path in which the refrigerant passes through the plurality of outdoor heat exchangers in parallel and a flow path in which the refrigerant passes through the plurality of outdoor heat exchangers in series, the refrigerant flow path switching device switching the flow paths during a defrosting operation to the flow path in which the refrigerant discharged by the compressor passes through the plurality of outdoor heat exchangers in parallel.
This registration device encrypts a content identifier for identifying content by using a group common key for a group composed of a plurality of members permitted to access the content, and registers the encrypted content identifier. This reference device acquires the encrypted content identifier, decrypts the content identifier from the encrypted content identifier by using the group common key, and acquires the content by using the content identifier.
H04L 9/32 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité comprenant des moyens pour vérifier l'identité ou l'autorisation d'un utilisateur du système
39.
NUMERICAL CONTROL DEVICE, MACHINING SYSTEM, AND CONTROL METHOD
This numerical control device (1A) has a function for supporting improvement of machining quality by suppressing vibration-caused errors, and is provided with: an analysis processing unit (11) that outputs movement data that is a command that specifies a movement of a drive shaft on the basis of a machining program (MP); a response error adjustment unit (12) that outputs a response error correction value for adjusting the response error between the command value and a measured value, on the basis of the movement data; an acceleration/deceleration processing unit (13) that outputs an acceleration/deceleration correction value on the basis of the movement data and the response error correction value; and a vibration-caused error adjustment unit (14A) that outputs a vibration-caused error correction value, which is a correction value for the movement data, on the basis of machine tool vibration characteristics, the movement data, and the acceleration/deceleration correction value. The vibration-caused error adjustment unit increases or decreases a jerk command, and/or an acceleration command, and/or a speed command stepwise with periods that are shorter than the periods of vibration to be cut off so that the total value of the input does not change, while maintaining the amount of change in response error per unit time to be at most equal to an allowable value.
G05B 19/404 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par des dispositions de commande pour la compensation, p. ex. pour le jeu, le dépassement, le décalage d'outil, l'usure d'outil, la température, les erreurs de construction de la machine, la charge, l'inertie
This optical communication system is configured to comprise: a first optical fiber (3) that propagates communication light transmitted from a communication device (1) to an opposing device (2); a second optical fiber (5) that propagates communication light transmitted from the opposing device (2) to the communication device (1); a plurality of first bypass fibers (7-1)-(7-G) that bypass an optical amplifier (4) inserted into the first optical fiber (3); and a plurality of second bypass fibers (8-1)-(8-G) that bypass an optical amplifier (6) inserted into the second optical fiber (5). The optical communication system further comprises a sensor device (9) that transmits sensor light to either the first optical fiber (3) or the second optical fiber (5) and receives backscattered light having returned from either the first optical fiber (3) or the second optical fiber (5).
H04B 10/80 - Aspects optiques concernant l’utilisation de la transmission optique pour des applications spécifiques non prévues dans les groupes , p. ex. alimentation par faisceau optique ou transmission optique dans l’eau
H04B 10/071 - Dispositions pour la surveillance ou le test de systèmes de transmissionDispositions pour la mesure des défauts de systèmes de transmission utilisant un signal réfléchi, p. ex. utilisant des réflectomètres optiques temporels [OTDR]
One embodiment of an outdoor unit according to the present disclosure provides an outdoor unit of an air conditioner to which a plurality of indoor units are connected. The outdoor unit comprises: a plurality of refrigerant circuit units to each of which at least one indoor unit is connected; and a plurality of compressors respectively provided to the plurality of refrigerant circuit units. The amount of refrigerant sealed in the plurality of refrigerant circuit units is different from each other.
An information processing device (130) is provided with: a threshold value map generation unit (135) that generates, for each of a plurality of voxels, a threshold value map that indicates a threshold value for determining whether or not to remove the voxel; a silhouette extraction unit (136) that generates, from a plurality of images obtained from a plurality of cameras, a plurality of silhouette images for distinguishing a silhouette of a subject; and an estimation unit (140) that, by counting the number of cameras corresponding to the silhouette images in which a position obtained by projecting one voxel selected from the plurality of voxels onto each of the plurality of silhouette images is included in the silhouette, and comparing the number of cameras with the threshold value, repeatedly performs processing for determining whether or not to remove the one voxel, and estimates the shape of the subject using the remaining voxels after voxels have been removed from the space. When there is a shielding element that causes shielding between a voxel and the plurality of cameras, the threshold value map generation unit (135) makes the threshold value for the voxel smaller than when no shielding element is present.
A discharge amount calculation unit (21) calculates a CO2 emission amount in each of a plurality of stages from construction to disposal of a building of interest. A means-setting unit (23) sets a reduction means having a CO2 emission reduction effect to a setting stage which is any of the plurality of stages. An influence identification unit (24) identifies an influence stage in which the set reduction means affects the CO2 emission amount and that includes a stage other than the setting stage as well. A discharge amount calculation unit (21) re-calculates the CO2 emission amount for the identified influence stage.
Provided is a heat exchange element (100) in which partition films (1) and rib frames (2A, 2B) are layered alternately, wherein: each rib frame (2A, 2B) has a plurality of air passage rib frames (7A, 7B) that are in contact with each of the two partition films (1) that sandwich the rib frame (2A, 2B); air flow openings (6A, 6B) through which processing air passes are formed in at least two non-adjacent side portions of the outer periphery of the rib frame (2A, 2B); the air passage rib frames (7A, 7B) comprise a plurality of airflow distribution ribs each having one end disposed in the airflow opening (6A, 6B), and a plurality of airflow opposing ribs that connect, either directly or through a lateral bridge rib, the other ends of two of the airflow distribution ribs having one end disposed in different airflow openings (6A, 6B); and at least one of the airflow opposing ribs has a length in an airflow direction that is shorter than the length of an outer frame rib installed in parallel, and that is different from the length of another adjacent airflow opposing rib.
F28D 9/02 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes en forme de plaques ou de laminés pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les sources de potentiel calorifique se déplaçant l'une par rapport à l'autre suivant un angle
F28F 3/00 - Éléments en forme de plaques ou de laminésEnsembles d'éléments en forme de plaques ou de laminés
A heat pump device (100) has, as an operation mode, a simultaneous mode in which cooling and hot water supply are simultaneously implemented. In the simultaneous mode, a flow path switching device (120) does not allow a refrigerant to circulate through a first heat exchanger (3) and causes the refrigerant to circulate such that a second heat exchanger (9a) acts as an evaporator and a third heat exchanger (16) acts as a condenser. A control device (110) is configured so as to: select a hot water supply mode when there is a need to heat water in a hot water supply tank (304) and a hot water supply request has been made; select one operation mode from among a cooling mode and the simultaneous mode when there is a need to heat the water in the hot water supply tank (304) and a hot water supply request has not been made; and select the cooling mode when there is no need to heat the water in the hot water supply tank (304).
This information assistance server comprises: an aggregation processing unit that aggregates the time required to treat a patient for each symptom, on the basis of medical treatment information indicating the content of medical treatment performed at a medical institution; and a prediction processing unit that, if an inquiry is received about whether emergency transportation can be accepted, predicts the time available for the emergency transportation to the medical institution and the number of patients who can be admitted to the medical institution, such prediction being made on the basis of the results of the aggregation by the aggregation processing unit, the circumstances the medical workers are in at the medical institution, and the symptoms of a patient subject to the emergency transportation.
G16H 40/00 - TIC spécialement adaptées à la gestion ou à l’administration de ressources ou d’établissements de santéTIC spécialement adaptées à la gestion ou au fonctionnement d’équipement ou de dispositifs médicaux
47.
OUTDOOR UNIT OF AIR CONDITIONER, AND AIR CONDITIONER
An outdoor unit (10) of an air conditioner (1) is provided with: a housing (10a); a compressor (11) that is disposed within the housing (10a) and compresses a flammable refrigerant; an outdoor heat exchanger (13) that is disposed within the housing (10a), that is connected to the compressor (11) via refrigerant piping (40) through which the flammable refrigerant circulates, and that exchanges heat between the flammable refrigerant and air; an outdoor electrical component box (16) that is disposed above the compressor (11) within the housing (10a); a refrigerant detection sensor (30a) that is installed outside of the outdoor electrical component box (16) and that detects leakage of the flammable refrigerant; and an outdoor control device (50) that is disposed in the interior of the outdoor electrical component box (16), that is constituted by a plurality of electronic components, and that stops operation of the electronic components which have movable parts from among the electronic components when the refrigerant detection sensor (30a) has detected leakage of the flammable refrigerant.
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
An AC/DC conversion device (2) comprises: a rectifier circuit (20) that has a switching element (215) and rectifies a power supply voltage applied from an AC power supply (1); a capacitor (216) that is connected to DC bus lines (9a, 9b) and smooths the output voltage of the rectifier circuit (20); a reactor (212) that is disposed closer to the AC power supply (1) side than the capacitor (216); and a control unit (6) that generates a switching signal for controlling the switching element (215). The control unit (6) has an R controller (621D) for reducing harmonic components contained in the power supply current flowing between the AC power supply (1) and the rectifier circuit (20), and generates the switching signal so that the harmonic components conform to the harmonic specification value of the power supply current.
H02M 7/12 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande
An AC/DC conversion device (2) comprises: a rectifier circuit (20) that has a switching element (215) and that rectifies the power supply voltage applied from an AC power supply (1); a capacitor (216) that is connected to DC busbars (9a, 9b) and that smooths the output voltage of the rectifier circuit (20); a reactor (212) that is disposed further to the AC power supply (1) side than the capacitor (216); and a control unit (6) that uses a carrier signal to generate a switching signal for controlling the switching element (215). A carrier frequency that is the frequency of the carrier signal does not fall below a lower limit value, and is changed within a half cycle of the power supply voltage such that the harmonic component included in the power supply current flowing between the AC power supply (1) and the rectifier circuit (20) conforms to the harmonic standard value of the power supply current.
H02M 7/12 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande
50.
AC/DC CONVERSION DEVICE, ROTARY MACHINE DRIVE DEVICE, AND APPARATUS FOR APPLICATION IN REFRIGERATION CYCLE
An AC/DC conversion device (2) includes: a rectifier circuit (20) that includes a switching element (215) and rectifies a power supply voltage applied from an AC power supply (1); a capacitor (216) that is connected to DC buses (9a, 9b) and smooths the output voltage of the rectifier circuit (20); a reactor (212) that is disposed more towards the AC power supply (1) side than the capacitor (216); a current detection unit (211) that detects a power supply current flowing between the AC power supply (1) and the rectifier circuit (20); and a control unit (6) that generates a switching signal for controlling the switching element (215). The control unit (6) generates the switching signal to change the phase of the power supply current.
H02M 7/12 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande
51.
ELECTRIC POWER CONVERSION DEVICE, MOTOR DRIVING DEVICE, AND REFRIGERATION CYCLE APPLICATION APPARATUS
An electric power conversion device is a device for supplying an output voltage to a load from output terminals, and includes a rectifier circuit to rectify an AC voltage and to output the rectified voltage, a booster circuit to supply the output voltage to the output terminals, a voltage detector to output a voltage detection value indicating the output voltage, and a controller. The booster circuit includes a reactor connected to the rectifier circuit, a smoothing capacitor to smooth the rectified voltage, thereby generating the output voltage, and a switching element to short-circuit the reactor. The controller controls a conduction period of the switching element based on the voltage detection value so that a first pulsation frequency which is a frequency of pulsation of the output voltage is higher than a second pulsation frequency which is a frequency of pulsation of the rectified voltage.
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
52.
POWER CONVERSION APPARATUS, MOTOR DRIVE UNIT, AND REFRIGERATION CYCLE APPLICATION APPARATUS
A power conversion apparatus includes a converter that rectifies a first AC voltage supplied from an AC source, a capacitor that is connected to an output end of the converter and smooths a first DC voltage rectified by the converter into a second DC voltage including a first ripple, an inverter that is connected across the capacitor and converts the second DC voltage into a second AC voltage corresponding to a desired frequency, and a voltage detection unit that acquires a physical quantity correlated with the second DC voltage, and controls the second AC voltage to superimpose a second ripple correlated with the first ripple on an output voltage of the inverter.
H02P 21/05 - Dispositions ou procédés pour la commande de machines électriques par commande par vecteur, p. ex. par commande de l’orientation du champ spécialement adaptés pour amortir les oscillations des moteurs, p. ex. pour la réduction du pompage
H02P 21/22 - Commande du courant, p. ex. en utilisant une boucle de commande
H02P 27/12 - 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 appliquant des impulsions en guidant le vecteur-flux, le vecteur-courant, ou le vecteur-tension sur un cercle ou une courbe fermée, p. ex. pour commande directe du couple
A construction worker installs a refrigeration cycle apparatus and fills the refrigeration cycle apparatus with a refrigerant. When the refrigeration cycle apparatus is filled with the refrigerant and consent of a customer is obtained, a maintenance worker transmits a start command from a terminal device to a cloud server. After receiving the start command, the cloud server transmits control data to the refrigeration cycle apparatus and performs control in a refrigerant amount detection mode. The cloud server receives operation data from the refrigeration cycle apparatus, calculates a refrigerant amount in the refrigeration cycle apparatus, using the operation data, determines from the refrigerant amount, whether the refrigerant amount is excessive or insufficient, and transmits a determination result to the terminal device and the terminal device.
When the subcooling degree is determined to be at zero kelvin, a calculation unit calculates a gas phase area ratio of the outdoor heat exchanger, using a first temperature difference which is a difference between an outdoor temperature and a condensation temperature of a refrigerant, a second temperature difference which is a difference between a refrigerant discharge temperature and the condensation temperature, an enthalpy difference of the refrigerant between an inlet and an outlet of the outdoor heat exchanger, and a specific heat at constant pressure gas of the refrigerant. The calculation unit compares the gas phase area ratio with a standard value set as a standard for the gas phase area ratio, and calculates a refrigerant amount in a refrigeration cycle apparatus, based on a comparison result.
An air conditioning device includes a gas furnace unit, a heat-pump heat source unit, and one or more utilization units. The gas furnace unit includes an air blower and a first heat exchanger. The utilization unit includes a second heat exchanger. The air conditioning device has a first operation mode in which a heating operation is performed using the gas furnace unit, a second operation mode in which a heating operation is performed using the heat-pump heat source unit, and a third operation mode in which a cooling operation is performed using the heat-pump heat source unit, and performs refrigerant discharge control for temporarily moving a refrigerant on the heat-pump heat source unit side to the second heat exchanger side of the utilization unit at the time of starting of a compressor provided in the heat-pump heat source unit when the first operation mode is switched to the second operation mode.
A power conversion apparatus includes: a rectifying unit that rectifies a power-supply voltage applied from a commercial power supply; a capacitor connected to an output end of the rectifying unit; an inverter that converts DC power output from the capacitor into AC power and outputs the AC power to a device on which a motor is mounted; a voltage detecting unit that detects the power-supply voltage; and a control unit that performs pulsation compensation control of reducing a pulsatile component of a capacitor current that is a charge and discharge current of the capacitor on the basis of a detection value by the voltage detecting unit.
H02P 21/05 - Dispositions ou procédés pour la commande de machines électriques par commande par vecteur, p. ex. par commande de l’orientation du champ spécialement adaptés pour amortir les oscillations des moteurs, p. ex. pour la réduction du pompage
H02P 21/22 - Commande du courant, p. ex. en utilisant une boucle de commande
H02P 27/12 - 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 appliquant des impulsions en guidant le vecteur-flux, le vecteur-courant, ou le vecteur-tension sur un cercle ou une courbe fermée, p. ex. pour commande directe du couple
An air-conditioning apparatus includes a refrigerant circuit in which a compressor, a heat source side heat exchanger, an expansion device, and a load side heat exchanger are connected sequentially by a pipe, the refrigerant circuit being filled with a non-azeotropic refrigerant mixture as refrigerant, the air-conditioning apparatus including: a first pressure detection device configured to detect a pressure of refrigerant on a discharge side of the compressor or detect a pressure of refrigerant on a suction side of the compressor; an outdoor-air temperature detection device configured to detect an outdoor-air temperature; and a controller configured to execute a refrigerant leakage detection function of determining whether there is refrigerant leakage based on a pressure detected by the first pressure detection device and an outdoor-air temperature detected by the outdoor-air temperature detection device, when the air-conditioning apparatus is deactivated.
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
58.
ELECTRIC POWER CONVERSION DEVICE AND AIR CONDITIONER
A motor driving device includes a converter, a capacitor, a voltage detector, an inverter, a current detector and a control unit. The control unit calculates a voltage command value using a voltage value detected by the voltage detector and a current value detected by the current detector, calculates a voltage phase corresponding to the voltage command value, calculates a pulsation compensation phase of a pulsating component in DC voltage inputted to the inverter from the voltage value, calculates a modulation factor from the voltage value and the voltage command value, calculates a corrected modulation factor, as a factor obtained by correcting the modulation factor so that the modulation factor increases with the increase in the voltage value, when the modulation factor is greater than 1.0, and generates a PWM signal from the corrected modulation factor and a value obtained by adding the pulsation compensation phase to the voltage phase.
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
F24F 11/86 - Systèmes de commande caractérisés par leurs grandeurs de sortieDétails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant des compresseurs dans les circuits de pompes à chaleur ou de réfrigération
A maintenance reservation system according to a first aspect includes: an equipment information acquisition unit configured to acquire equipment information including information about equipment; a maintenance contractor information acquisition unit configured to acquire maintenance contractor information including information about maintenance contractors who provide maintenance services on the basis of information transmitted from maintenance contractor terminals; a reservation information acquisition unit configured to acquire reservation information including desired conditions for the maintenance services on the basis of information transmitted from a user terminal; a processing unit configured to select maintenance contractor candidates on the basis of the equipment information and the maintenance contractor information, and narrow down the candidates on the basis of the desired conditions and the maintenance contractor information corresponding to the maintenance contractors included in the candidates; and a notification unit configured to notify the user terminal of the candidates narrowed down by the processing unit.
A thermal storage system includes: a water heater; memory circuitry; acquiring circuitry configured to acquire information regarding weather forecast for a target date for which an operation schedule for the water heater is arranged and a region where the water heater has been installed; supply capacity forecast circuitry configured to determine an hourly delivery capacity of the water heater on the target date on the basis of the information regarding weather forecast; demand forecast circuitry configured to forecast hourly consumption of hot water on the target date on the basis of data stored in the memory circuitry and indicating past change in consumption of hot water; and planning circuitry configured to determine the operation schedule that avoids shortage of hot water supply on the basis of the hourly delivery capacity and the hourly consumption of hot water.
F24H 15/176 - Amélioration ou maintien du confort des utilisateurs
F24H 15/421 - Commande des appareils de chauffage de fluides caractérisée par le type des unités de commande utilisant un traitement électronique, p. ex. par ordinateur utilisant des données préenregistrées
61.
MOTOR DRIVE DEVICE AND REFRIGERATION CYCLE APPARATUS
A motor drive device includes a rectifier unit that rectifies first AC power supplied from a commercial power supply, an inverter that generates second AC power and output the second AC power to a motor, and a control unit that controls the operation of the inverter such that pulsation according to the power state of a capacitor is superimposed on a drive pattern of the motor, to reduce a charge and discharge current of the capacitor. The control unit performs load pulsation compensation control to compensate for load pulsation, power supply pulsation compensation control to reduce the charge and discharge current of the capacitor, and overload compensation control to reduce an inverter input current input to the inverter, while preferentially performing constant current load control to control the rotational speed of the motor.
H02P 27/12 - 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 appliquant des impulsions en guidant le vecteur-flux, le vecteur-courant, ou le vecteur-tension sur un cercle ou une courbe fermée, p. ex. pour commande directe du couple
F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
H02M 5/45 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant alternatif, p. ex. pour changement de la tension, pour changement de la fréquence, pour changement du nombre de phases avec transformation intermédiaire en courant continu par convertisseurs statiques utilisant des tubes à décharge ou des dispositifs à semi-conducteurs pour transformer le courant continu intermédiaire en courant alternatif utilisant des dispositifs du type thyratron ou thyristor exigeant des moyens d'extinction utilisant uniquement des dispositifs à semi-conducteurs
Provided is a crossflow fan that can suppress loss of speed on an end of an impeller, leading to an increase in resistance to loss of speed. Therefore, a crossflow fan includes an impeller including a plurality of support members and a plurality of blades provided between adjacent support members, a motor provided on one end of a rotation axis of the impeller, a stabilizer spaced from an outer circumference of the impeller, the stabilizer being located along a direction of the rotation axis, and a convex portion provided, on a surface of the stabilizer facing the impeller, in such a way as to protrude toward the impeller, the convex portion being located along the direction of the rotation axis. In a rotation direction of the impeller, an end of the convex portion on a motor side is located downstream of a center of the convex portion.
F04D 17/04 - Pompes à flux radial spécialement adaptées aux fluides compressibles, p. ex. pompes centrifugesPompes hélicocentrifuges spécialement adaptées aux fluides compressibles ayant des étages non centrifuges, p. ex. centripètes du type à flux transversal
F24F 1/0025 - Ventilateurs tangentiels ou à flux transversal
A refrigeration cycle apparatus includes a refrigeration circuit including a compressor, an outdoor heat exchanger, an indoor heat exchanger, and an expansion valve, refrigerant is enclosed in the refrigeration circuit, the refrigerant contains three components R1234yf, HFO1123, and R290, a composition diagram is represented by triangular coordinates includes: a point A representing R1234yf/HFO1123/R290=100/0/0% by mass, a point B representing R1234yf/HFO1123/R290=85/0/15% by mass, a point C representing R1234yf/HFO1123/R290=20/80/0% by mass, and a point D representing R1234yf/HFO1123/R290=6.2/78.8/15% by mass, the mass ratio between the three components falls in a first range enclosed by a straight line 1 connecting the point A to the point B, a straight line 2 connecting the point A to the point C, a straight line 3 connecting the point B to the point D, and a curve 1 connecting the point C to the point D.
C09K 5/04 - Substances qui subissent un changement d'état physique lors de leur utilisation le changement d'état se faisant par passage de l'état liquide à l'état vapeur ou vice versa
Refrigerant is sealed in a refrigeration circuit. Refrigerant contains a first component and a second component. The first component consists of 1,1,2-trifluoroethylene. The second component consists of at least one selected from the group consisting of hydrocarbon having a carbon number not smaller than 1 and not larger than 5 and fluorinated hydrocarbon having a carbon number not smaller than 1 and not larger than 5. A content C1 based on a mass of the first component in refrigerant is not lower than 50 mass %. A percentage (C2/C1)×100 of a content C2 based on a mass of the second component to the content C1 based on the mass of the first component in refrigerant is not lower than 15% and lower than 50%. The compressor is filled with compressor oil. Compressor oil is compatible with the second component.
C09K 5/04 - Substances qui subissent un changement d'état physique lors de leur utilisation le changement d'état se faisant par passage de l'état liquide à l'état vapeur ou vice versa
F25B 1/00 - Machines, installations ou systèmes à compression à cycle irréversible
65.
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
A semiconductor device includes an insulating substrate, a semiconductor element bonded to the insulating substrate, and an inner wiring member bonded to the semiconductor element. The insulating substrate includes a conductive pattern on an upper surface. The semiconductor element includes an upper surface electrode on an upper surface and a lower surface electrode on a lower surface, and the lower surface electrode is bonded to the conductive pattern of the insulating substrate. The inner wiring member is bonded to the upper surface electrode of the semiconductor element. Both bonding of the lower surface electrode and the conductive pattern and bonding of the upper surface electrode and the inner wiring member are performed by an Al brazing material.
A core having an annular core-back portion and a plurality of tooth portions formed, at intervals in a circumferential direction, on an inner circumferential surface of the core-back portion to protrude, a coil wound around each tooth portion with an insulator therebetween, and a mold resin portion coating the core and the coil, are included. The core-back portion is formed to be discontinuous at at least one position in the circumferential direction. The insulator has, at two or more positions in the circumferential direction, protrusions protruding to an outer side in a radial direction beyond an outer circumferential surface of the core-back portion. The mold resin portion does not coat a protrusion surface, along an axial direction, on the outer side in the radial direction of each protrusion.
H02K 3/34 - Enroulements caractérisés par la configuration, la forme ou la réalisation de l'isolement entre conducteurs ou entre conducteur et noyau, p. ex. isolement d'encoches
H02K 15/095 - Exécution des enroulements par pose des conducteurs dans ou autour des parties formant le noyau par pose des conducteurs autour de pôles saillants
H02K 15/121 - Imprégnation, chauffage ou séchage des bobinages, des stators, des rotors ou des machines des noyaux
H02K 15/40 - Assemblage de machines dynamo-électriques
A semiconductor light-receiving device (100) of the present disclosure includes: a semiconductor substrate (1); an n-type buffer layer (2) formed above the semiconductor substrate (1); a multiplication layer (3) formed above the n-type buffer layer (2); a p-type electric field control layer (4) formed above the multiplication layer (3); and a light absorption layer (5) formed above the p-type electric field control layer (4), wherein any one, any two, or three of the n-type buffer layer (2), the multiplication layer (3), and the p-type electric field control layer (4) are composed of a digital alloy structure.
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
H10F 77/16 - Structures des matériaux, p. ex. structures cristallines, structures en film ou orientations des plans cristallins
68.
COMMUNICATION DEVICE, COMMUNICATION METHOD, CONTROL CIRCUIT, AND STORAGE MEDIUM
A communication device has a function of directly communicating with a communication terminal that is another communication device, and includes: a base station search unit that searches for base stations with which direct communication is possible; a communication control unit that performs a connection process for connecting to base stations searched for by the base station search unit to construct redundantly-configured communication paths; and a communication terminal search unit that searches for the communication terminal connected to a base station, and in a case where the number of direct communications with base stations established is less than the number required for constructing the redundantly-configured communication paths, the communication control unit establishes indirect communication with a base station via a communication terminal searched for by the communication terminal search unit to construct redundantly-configured communication paths.
A sound space construction device includes processing circuitry. The processing circuitry acquires audio data including audio from sound sources, determines sound source positions as positions of the sound sources based on the audio data, generates pieces of extraction audio data by extracting audio represented by the audio data in regard to each sound source and generating the extraction audio data representing the extracted audio, generates stereophonic sounds corresponding to the sound sources by converting a format of the pieces of extraction audio data to a format of stereophonic audio, acquires an auditory position where audio is listened to, calculates an angle and a distance between the auditory position and each sound source position, adjusts each stereophonic sound by using the angle and the distance corresponding to each h sound source position and thereby generates adjusted stereophonic sounds as stereophonic sounds at the auditory position, and superimposes the adjusted stereophonic sounds together.
H04S 7/00 - Dispositions pour l'indicationDispositions pour la commande, p. ex. pour la commande de l'équilibrage
H04R 1/32 - Dispositions pour obtenir la fréquence désirée ou les caractéristiques directionnelles pour obtenir la caractéristique directionnelle désirée uniquement
This phase-locked laser device is provided with: an optical circulator (2) that receives laser light, supplies the laser light to a feed optical path, and outputs return light received from a return optical path; an optical splitter (3) that branches the laser light received from the optical circulator via the feed optical path into reference light and signal light; element circuits (4), each element circuit including a phase compensator that outputs signal light obtained by performing phase control of the branched signal light; a partial optical reflector (5) that receives the reference light or phase-controlled signal light as incident light, reflects a part of the incident light as reflected light, and transmits the remainder of the incident light; and a photoelectric converter (6) that receives the return light and photoelectrically converts the return light, the return light received by the photoelectric converter (6) being laser light in which the reflected light is multiplexed by the optical splitter, wherein each element circuit performs frequency conversion on the output of the photoelectric converter (6) to detect a phase error of an electric signal having a frequency component corresponding to each element circuit, and each phase compensator compensates for the detected phase error.
On the basis of information indicated in a work log recorded for each execution of a work process flow that has been executed one or more times, a risk assessment unit (130) calculates, for each work process of the work process flow, at least one of a bottleneck index value, which is an index value regarding a bottleneck in the work process flow, an individual-dependency index value, which is an index value regarding the degree to which the work process depends on an individual, and a coordination degree index value, which is an index value regarding the coordination of workers, and calculates, for each work process of the work process flow, an evaluation value of the work process using the calculated at least one index value. A recommendation unit (140) presents a work process for which the use of a digital tool is recommended, on the basis of the evaluation value of each work process of the work process flow.
G06Q 10/06 - Ressources, gestion de tâches, des ressources humaines ou de projetsPlanification d’entreprise ou d’organisationModélisation d’entreprise ou d’organisation
An air conditioning system (1) comprises at least one air conditioner (2). Each of the at least one air conditioner (2) includes a converter (21) that performs an AC/DC conversion operation with an AC system (9), a main inverter (22) that converts DC power from the converter (21) to AC power, and a compressor (23) that is driven using AC power from the main inverter (22). The air conditioning system (1) furthermore comprises a controller (3) for controlling the at least one air conditioner. The controller (3) controls the converter (21) so as to output reactive power to the AC system (9) under conditions in which the compressor (23) is stopped.
A motor control device (1) that controls a motor connected to a driven body to be controlled comprises: a switching command unit (31) that commands switching of a control gain to be used in motor control; a constraint value determination unit (33) that determines, on the basis of control state amounts indicating a control state when the motor is controlled and constraint conditions for the control state, a constraint value for the control state amounts when switching the control gain; and a gain change calculation unit (34) which, on the basis of a pre-change control gain (230), which is the control gain before the control gain is switched in accordance with a switching command that is a command by the switching command unit, a post-change control gain (240), which is the control gain after the control gain is switched in accordance with the switching command, and the constraint value determined by the constraint value determination unit, sequentially calculates a control gain to be used in the control of the motor from the start to the completion of the switching of the control gain.
This air conditioner comprises: a housing in which an intake port for sucking in air is formed on a side, a blowout port for blowing out air that was sucked in from the intake port is formed at an upper part, and an air passage is formed between the intake port and the blowout port; a heat exchanger provided in the air passage; a blower provided in the air passage above the heat exchanger; and a fan guard that has screw holes into which screws are inserted on a front side end part and a rear side end part, and that covers an upper part of the blower. The housing has openings formed at a front surface upper part and a rear surface upper part. The housing comprises: upper end frames provided on the upper side of the respective openings, the upper end frames having, on an upper part thereof, screw holes into which screws are inserted; and upper side panels each having an eaves part protruding from an upper end to the blowout port side, the upper side panels covering the opening and the upper end frame at the front surface upper part, and the opening and the upper end frame at the rear surface end upper part, respectively. The front side end part of the fan guard is fixed with screws to the upper end frame provided on the front surface of the housing, and the rear side end part of the fan guard is fixed with screws to the upper end frame provided on the rear surface of the housing. The upper parts of the screws are covered by the eaves parts of the upper side panels.
This refrigeration cycle device (100) is provided with a first refrigerant circuit (101), a control device (200), and a detection device (300). The first refrigerant circuit is provided with a compressor (1), a condenser (2), a supercooler (3), a first expansion device (4), and an evaporator (5). The first refrigerant circuit is provided such that first refrigerant and refrigerating machine oil circulate in the order of the compressor, the condenser, the supercooler, the first expansion device, and the evaporator by the operation of the compressor. The evaporator has a heat exchange unit (50) provided such that heat exchange is performed between the first refrigerant flowing upward and a heat exchange medium other than the first refrigerant. The detection device acquires the dryness of the first refrigerant flowing into the evaporator. The control device controls the opening of the first expansion device according to the dryness of the first refrigerant.
Provided is a refrigeration cycle device in which leakage of refrigerant in a refrigerant circuit is effectively suppressed. A refrigeration cycle device according to the present disclosure comprises: a compressor that compresses refrigerant by rotating a drive shaft; an outdoor heat exchanger that exchanges heat between air outside of a building and the refrigerant; a decompression device that reduces the pressure of the refrigerant; one or a plurality of indoor heat exchangers that exchange heat between air inside of the building and the refrigerant; refrigerant piping that connects the compressor, the outdoor heat exchanger, the decompression device, and the indoor heat exchanger to form a refrigerant circuit; and a control unit that, upon receiving an emergency signal indicating that an emergency state different from a normal state is occurring at a location where the refrigerant circuit is installed, said emergency signal being different from a signal indicating that the refrigerant has leaked, reduces the flow rate of the refrigerant flowing through the refrigerant circuit to a greater extent than when the emergency signal is not acquired.
This semiconductor device comprises: an n-type cladding layer (16); an active layer (18) formed on the n-type cladding layer (16); a diffusion prevention layer (12) formed on the active layer (18) and in which two or more undoped layers having different compositions from vertically adjacent layers are laminated in the vertical direction; and a p-type cladding layer (16) formed on the diffusion prevention layer (12).
H01S 5/343 - Structure ou forme de la région activeMatériaux pour la région active comprenant des structures à puits quantiques ou à superréseaux, p. ex. lasers à puits quantique unique [SQW], lasers à plusieurs puits quantiques [MQW] ou lasers à hétérostructure de confinement séparée ayant un indice progressif [GRINSCH] dans des composés AIIIBV, p. ex. laser AlGaAs
H01L 33/30 - Matériaux de la région électroluminescente contenant uniquement des éléments du groupe III et du groupe V de la classification périodique
An optical communication system comprises: a first optical fiber (3) that propagates communication light, transmitted from a communication device (1), to a counterpart device (2); a second optical fiber (5) that propagates communication light, transmitted from the counterpart device (2), to the communication device (1); a first bypass fiber (7) for bypassing an optical amplifier (4) inserted into the first optical fiber (3); and a second bypass fiber (8) for bypassing an optical amplifier (6) inserted into the second optical fiber (5). The optical communication system further comprises a sensor device (9) that transmits sensor light to either the first optical fiber (3) or the second optical fiber (5) and receives backscattered light that has returned from either the first optical fiber (3) or the second optical fiber (5).
H04B 10/80 - Aspects optiques concernant l’utilisation de la transmission optique pour des applications spécifiques non prévues dans les groupes , p. ex. alimentation par faisceau optique ou transmission optique dans l’eau
H04B 10/071 - Dispositions pour la surveillance ou le test de systèmes de transmissionDispositions pour la mesure des défauts de systèmes de transmission utilisant un signal réfléchi, p. ex. utilisant des réflectomètres optiques temporels [OTDR]
79.
AIR CONDITIONING SYSTEM AND METHOD FOR CONTROLLING AIR CONDITIONER
This air conditioning system (10) comprises an air conditioner (50), a first detection device (101), a second detection device (102), and a control device (100). The first detection device (101) detects first information based on a first clothing amount of a user in a target space and a first activity amount of the user. The second detection device (102) detects second information based on a second clothing amount of a user and a second activity amount of the user. The control device (100) controls the air conditioner (50). The first detection device (101) further detects third information that is the temperature, humidity, airflow speed, and radiant temperature of the target space. The control device (100) calculates a PMV value on the basis of the third information and the first information or the second information. The control device (100) controls the air conditioner (50) on the basis of the PMV value.
F24F 11/32 - 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
80.
ASSISTANCE SYSTEM, SERVER DEVICE, AND ASSISTANCE METHOD
An assistance system according to the present invention comprises: a collection processing unit that collects sound information and image information associated with a medical care action by a user; a recording processing unit that extracts a first keyword, which is a keyword included in the sound information collected by the collection processing unit, and causes a recording information storage unit to store, as recording information, information in which the first keyword, and date and time information about the date and time at which the first keyword was uttered are associated with each other, and information in which the image information collected by the collection processing unit, and the date and time information about the date and time at which the image information was acquired are associated with each other; and an output control unit that causes a display unit to display a timeline display in which the first keyword and the image information are displayed side by side in chronological order on the basis of the recording information stored in the recording information storage unit.
G16H 10/60 - TIC spécialement adaptées au maniement ou au traitement des données médicales ou de soins de santé relatives aux patients pour des données spécifiques de patients, p. ex. pour des dossiers électroniques de patients
81.
POSITION ESTIMATION DEVICE, POSITION ESTIMATION SYSTEM, POSITION ESTIMATION METHOD, AND PROGRAM
An intensity information acquisition unit (312) acquires intensity information indicating the reception intensity of a wireless signal in a wireless terminal (20), the wireless signal being periodically transmitted from a transmitter. An intensity identification unit (313) identifies a threshold intensity that is a reception intensity at which the cumulative relative frequency of the reception intensity indicated by the intensity information acquired by the intensity information acquisition unit (312) becomes a predetermined threshold. A position estimation unit (314) estimates the position of the wireless terminal (20) on the basis of the threshold intensity identified by the intensity identification unit (313) and the position of the transmitter.
An AC/DC conversion device (2) comprises: a rectifier circuit (20) that has at least one switching element (215) and rectifies a power supply voltage applied from an AC power supply (1); a capacitor (216) that is connected to DC bus lines and smooths the output voltage of the rectifier circuit (20); a reactor (212) that is disposed closer to the AC power supply (1) side than the capacitor (216); and a control unit (6) that generates a switching signal for controlling the switching element (215). The switching element (215) is disposed closer to the AC power supply (1) side than the capacitor (216). The control unit (6) is provided with a current controller group including a first current controller targeting the fundamental wave of the AC power supply (1) and one or more second current controllers targeting the harmonics of the AC power supply (1) and generates the switching signal on the basis of the output from the current controller group.
H02M 7/12 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande
An AC/DC conversion device (2) comprises: a rectifier circuit (20) that includes at least one switching element (215) and that rectifies power-supply voltage imparted from an AC power source (1); a capacitor (216) that is connected to DC bus bars (9a, 9b) and that smooths the voltage output by the rectifier circuit (20); a reactor (212) that is disposed closer to the AC power source (1) side than the capacitor (216) is; and a control unit (6) that generates a switching signal for controlling the switching element (215). The switching element (215) is disposed closer to the AC power source (1) side than the capacitor (216) is. The control unit (6) includes a current controller that controls the current of the AC power source (1), and in accordance with the operating state of the AC/DC conversion device (2), the control unit changes the code of a signal which is based on the output from the current controller.
H02M 7/12 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande
An AC-DC conversion device (2) has at least one switching element (215) and is provided with: a rectification circuit (20) that rectifies power supply voltage from an AC power source (1); a capacitor (216) that smooths output voltage of the rectification circuit (20); a reactor (212) disposed closer to the AC power source (1) than the capacitor (216); and a control unit (6) for generating a switching signal for controlling the switching element (215). The switching element (215) is disposed closer to the AC power source (1) than the capacitor (216), and the control unit (6) generates a switching signal such that the pulse width of the switching signal when turning the switching element (215) ON satisfies a conditional expression defined by the period from the zero-cross of the power supply voltage to output of the switching signal, the effective value of the power supply voltage, the inductance of the reactor (212), the angular frequency of power supply current of the AC power source (1), and a specified overcurrent threshold.
H02M 7/12 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande
An AC/DC conversion device (2) comprises: a rectifier circuit (20) that includes at least one switching element (215) and that rectifies power-supply voltage imparted from an AC power source (1); a capacitor (216) that is connected to DC bus bars (9a, 9b) and that smooths the voltage output by the rectifier circuit (20); a reactor (212) that is disposed closer to the AC power source (1) than the capacitor (216) is; and a control unit (6) that generates a switching signal for controlling the switching element (215). The switching element (215) is disposed closer to the AC power source (1) side than the capacitor (216) is. The control unit (6) controls the terminal voltage of the capacitor (216) so that such voltage is at least the minimum value of the capacitor (216) terminal voltage which is determined according to the relationship between the inductance value of the reactor (212) and the power generated by the rectifier circuit (20).
H02M 7/12 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande
An AC-DC conversion device (2) comprises: a rectifier circuit (20) which has at least one switching element (215) to rectify a power supply voltage supplied from an AC power supply (1); a capacitor (216) which smooths the output voltage of the rectifier circuit (20); a reactor (212) which is disposed closer to the AC power supply (1) than the capacitor (216) is; a control part (6) which generates a switching signal for controlling the switching element (215); and a current detection part (210) which is connected to the switching element (215) in series, wherein the switching element (215) is disposed closer to the AC power supply (1) than the capacitor (216) is, and the control part (6) uses the power supply voltage, the inductance value of the reactor (212), the terminal voltage of the capacitor (216), and a duty ratio in which the switching element (215) is turned off in a predetermined period to estimate a power supply current which flows through the reactor (212) when the switching element (215) is off.
The present invention provides a rotary electrical machine which cools an armature, which has a simple structure, and which can be easily assembled. A rotary electrical machine according to the present invention comprises an armature (20) and a rotor (30) which is disposed so as to face the armature (20) in the axial direction with a magnetic gap therebetween, wherein: the armature (20) includes, at a center part in the axial direction of an armature core (21), a flow path forming plate (24) in which a first flow path forming plate (24a) and a second flow path forming plate (24b) are aligned in the axial direction; the first flow path forming plate (24a) includes a first flow path groove (241a) in a surface thereof which faces the second flow path forming plate (24b); the second flow path forming plate (24b) includes a second flow path groove (241b) at a position which faces the first flow path groove (241a), in a surface thereof which faces the first flow path forming plate (24a); and the first flow path groove (241a) and the second flow path groove (241b) form a coolant flow path in which a cooling medium flows.
H02K 9/19 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile
A motor includes a rotor having a shaft and a rotor magnet, and a stator. The rotor magnet includes a first magnet magnetized so as to have polar-anisotropic orientation, and second magnets, the number of which is P (P is an even number), provided on an outer circumference of the first magnet, magnetized so as to have polar-anisotropic orientation, and having a stronger magnetic pole than the first magnet. A length Hr of the rotor magnet in the axial direction and a length Hs of a stator core in the axial direction satisfy Hr>Hs. The rotor magnet includes, in the axial direction, a stator-facing portion facing the stator core in the radial direction and an overhang portion protruding from the stator core in the axial direction. A volume ratio of the second magnets to the first magnet is smaller in the overhang portion than in the stator-facing portion.
H02K 1/278 - Aimants montés en surfaceAimants sertis
H02K 1/02 - Détails du circuit magnétique caractérisés par le matériau magnétique
H02K 1/30 - Moyens de montage ou de fixation des parties magnétiques tournantes sur ou aux structures constituant le rotor utilisant des pièces intermédiaires, p. ex. des croisillons
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
H02K 21/16 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants tournant à l'intérieur des induits avec des noyaux d'induits annulaires à pôles saillants
90.
STATOR, MOTOR, COMPRESSOR, REFRIGERATION CYCLE APPARATUS, AND MANUFACTURING METHOD OF STATOR
A stator core includes slots, and further includes a first cutout portion, two second cutout portions and two third cutout portions are formed on the outer circumference of the stator core. A center of the first cutout portion in the circumferential direction and a center of each second cutout portion in the circumferential direction are at an angle of 90 degrees with respect to the center axis. The two third cutout portions are formed on both sides of a straight line passing though the center axis and the center of the first cutout portion. A first contact portion in contact with a shell is formed between the two third cutout portions. When D1 represents a minimum distance from the first contact portion to its closes slot, and D2 represents a minimum distance from each third cutout portion to its closet slot, 1.00≤D1/D2≤1.60 is satisfied.
H02K 21/14 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants tournant à l'intérieur des induits
91.
BIAS CIRCUIT, POWER ON RESET CIRCUIT, AND MONITORING SYSTEM
A bias circuit includes a first resistive device connected between a power supply node to supply a supply voltage and a first node, a first N-type transistor diode-connected between the first node and a ground, a second N-type transistor, a second resistive device connected between a second node and a third node, and a third N-type transistor connected between the third node and the ground to implement a current source. The second N-type transistor has a drain connected to the power supply node, a source connected to the second node to output a bias voltage, and a gate connected to the first node.
In an aluminum alloy, Zn: 5.0-6.5 mass %, Mg: 2.0-3.0 mass %, and Cu: 1.2-2.0 mass % are contained; at least one element among three elements which are Ni: 2.0-5.0 mass %, Ag: 0.5-3.5 mass %, and Li: 0.1-0.4 mass % is contained; contained Si is 0.25 mass % or less and contained Mn is 0.25 mass % or less; remainder is composed of Al and an unavoidable impurity; and tensile strength is 650 MPa or greater. According to this aluminum alloy, an Al alloy with excellent surface treatment properties and high strength can be provided. Higher strength of an Al alloy can reduce product weight. Further, improvement in surface treatment properties can provide stable corrosion resistance and shorten product lead time.
A motor drive device performs a feedback control of a motor based on a motor current that is a current flowing in the motor. The motor drive device includes: an index value calculation unit configured to calculate power or a work rate of the motor as an index value for use in determining whether an abnormality occurs in the motor or not based on the motor current and a control parameter used in the feedback control; a filter unit configured to perform a filtering process to extract an abnormal component by removing a component that is in a normal operating state, from the index value calculated by the index value calculation unit; and a diagnosis unit configured to conduct a diagnosis of the motor regarding an abnormality or degradation thereof based on the abnormal component of the index value.
H02P 21/05 - Dispositions ou procédés pour la commande de machines électriques par commande par vecteur, p. ex. par commande de l’orientation du champ spécialement adaptés pour amortir les oscillations des moteurs, p. ex. pour la réduction du pompage
F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
H02P 21/18 - Estimation de la position ou de la vitesse
This linear motor drive device includes: a stator on which a plurality of coils connected in series are disposed to be arrayed; a plurality of half-bridges; and a switching controller including a half-bridge output voltage calculator. Both ends of a series unit of the coils and connection points between the coils are each connected to an output point of a different one of the half-bridges. AC voltages are applied to the respective coils. The half-bridge output voltage calculator obtains, through calculation, output voltage references for the respective half-bridges on the basis of application voltage references for voltages to be applied to the respective coils. The switching controller obtains switching signals for controlling switches of the half-bridges by using the respective half-bridge output voltage references having been obtained.
A semiconductor laser light source device includes a metal stem; a first support block provided on the metal stem and is electrically conductive; a temperature control module provided on the metal stem; a second support block provided on the temperature control module and is electrically conductive; a first substrate provided on a first side surface of the first support block; a second substrate provided on a second side surface of the second support bloc; a photosemiconductor chip provided on the second substrate; an electrically conductive cap provided on the metal stem and covers the first support block, the temperature control module, the second support block, the first substrate, the second substrate, and the photosemiconductor chip; and a metal block provided between the second support block and the cap.
A molded package in which a semiconductor chip is sealed with transfer molding resin, and a package assembly attached to a package terminal projecting from a package side surface of the molded package are included. The package assembly includes a printed circuit board that is physically and electrically connected to the package terminal, and an external terminal mounted on the printed circuit board and electrically connected to the package terminal.
H05K 1/18 - Circuits imprimés associés structurellement à des composants électriques non imprimés
H01L 23/498 - Connexions électriques sur des substrats isolants
H01L 25/10 - 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 ayant des conteneurs séparés
H05K 1/11 - Éléments imprimés pour réaliser des connexions électriques avec ou entre des circuits imprimés
First and second surface electrodes are disposed so as to sandwich finger wiring extending in a first direction. A gate electrode extends in a second direction. A third surface electrode connects the first surface electrode and the second surface electrode between a tip of the finger wiring and gate wiring. A finger wiring extension portion extends from the tip of the finger wiring toward the gate wiring while avoiding the third surface electrode. A gate electrode crossing the third surface electrode in plan view is electrically connected to the finger wiring extension portion.
H01L 29/423 - Electrodes caractérisées par leur forme, leurs dimensions relatives ou leur disposition relative ne transportant pas le courant à redresser, à amplifier ou à commuter
A plan creation unit (21) creates, for each combination of one of a plurality of upper limit ratios and one of a plurality of lower limit ratios, an update plan indicating a timing for updating each of a plurality of components constituting a facility. The plan creation unit (21) creates an update plan in which, for each of the plurality of components as a subject component, the timing for updating the subject component is set within a period between a use lower limit and a use upper limit, inclusive, the use upper limit being obtained by multiplying the life of the subject component by an upper limit ratio of a subject combination, the use lower limit being obtained by multiplying the life of the subject component by a lower limit ratio of the subject combination. A presentation unit (24) presents the created update plan for each combination.
In the present invention, the following are formed on a semiconductor substrate (1): a semiconductor laser (LD) which emits laser light; and an electro-absorption optical modulator (EA) which has a plurality of optical modulators (EA1, EA2) that are connected in series and sequentially modulate laser light. Each of the plurality of optical modulators (EA1, EA2) includes: an optical waveguide (11) having at least a light absorption layer (9); an upper surface electrode (10) formed on the optical waveguide (11); and a lower surface electrode (7) formed on the lower surface of the semiconductor substrate (1). The upper surface electrodes (10) of the plurality of optical modulators (EA1, EA2) are spaced apart from each other. The upper surface electrodes (10) of the adjacent optical modulators (EA1, EA2) are connected via an inductor (16).
The purpose of the present disclosure is to provide an optical semiconductor device that can reduce the capacitance of a pad electrode. This optical semiconductor device comprises a semiconductor substrate, an optical semiconductor element that is formed on the semiconductor substrate, and a pad electrode that is formed on the optical semiconductor element and is electrically connected to a top surface electrode of the optical semiconductor element. The pad electrode has a first electrode that is formed on the optical semiconductor element with an insulating film therebetween and a second electrode that is formed on the first electrode. A plurality of holes or a groove that is mesh-shaped as seen from above penetrate/s the insulating film from the surface of the first electrode toward the back surface of the semiconductor substrate.
