Abstract: A power receiving device includes: a power receiving coil receiving power transmitted from a power transmission coil; a rectifier circuit between the power receiving coil and a load; a smoothing capacitor between the rectifier circuit and the load; and a control device executing a short-circuit mode of short-circuiting between output ends of the power receiving coil. Further, the control device includes an acquisition unit acquiring information indicating a drive frequency of an inverter in the power transmission device, a setting unit setting a switching frequency of the rectifier circuit to a value different from the drive frequency of the inverter, and a control unit executing the short-circuit mode based on the switching frequency set by the setting unit.

Abstract: A power reception device includes: a power reception coil that receives power transmitted from a power transmission coil in a non-contact manner; and a control device that executes a short-circuit mode in which a plurality of switching elements provided between the power reception coil and a load are caused to perform switching operations to short-circuit between output terminals of the power reception coil. Further, when a phase of a current and a phase of a voltage in the power reception device are deviated from each other, the control device sets switching timings of the switching elements to the short-circuit mode in a manner that the phase of the voltage is shifted in a direction in which a power factor of power supplied to the load is deteriorated.

Abstract: A method of updating the program of a gas compressor system that supplies at least one of pressure and flow rate of gas discharged from the discharge piping system based on predetermined values comprising: the management device obtaining an update program, updating a program for an in-service compressor of the plurality of gas compressors whose program is to be updated, and driving other gas compressors of the plurality of gas compressors, which are different from the operating compressor whose program is to be updated, in accordance with the predetermined value.

Abstract: The vehicle includes a first communication device for directly or indirectly communicating with the ground power supplying apparatus by wide area wireless communication with a communication distance of greater than or equal to 10 meters, and an electronic control unit. The electronic control unit is configured to request the ground power supplying apparatus cancel supply of power to the vehicle by the wide area wireless communication when a predetermined condition is satisfied.

Abstract: A control apparatus for a power receiver which wirelessly receives electric power from a power transmitter. The control apparatus being configured to execute a restriction process that restricts received power by PWM control depending on an amount of the received power. The restriction process comprises calculating an increase gap which is a difference between an initial received power and a local maximum value of the received power with respect to a change in a duty in the PWM control, starting the PWM control when a first value which is a value obtained by adding the increase gap to a current received power exceeds a second value which is a value obtained by subtracting a predetermined margin from an upper limit of the received power, and increasing the duty until the received power becomes lower than the initial received power when starting the PWM control.

Abstract: A control apparatus for a power transmitter which wirelessly transmits electric power to a power receiver, the power receiver being configured to perform restriction control that restricts received power through switching control under a predetermined condition. The control apparatus is configured to execute a determination process that determines whether or not the power receiver is performing the restriction control based on an output current and an output voltage of a power inverter included in the power transmitter, and a power control process that controls transmission power of the power transmitter based on a result of the determination process.

Abstract: A noncontact power supplying system transfers power by noncontact between a ground power supplying apparatus and a vehicle. The vehicle includes a power reception side resonance circuit for receiving power, and a signal emitting device for emitting an alternating magnetic field or electric wave for transmitting vehicle identification information of the vehicle to the ground power supplying apparatus. The ground power supplying apparatus includes a power transmission side resonance circuit for transmitting power to the power reception side resonance circuit, and a signal reception device for receiving an alternating magnetic field or electric wave emitted from the signal emitting device. The ground power supplying apparatus detects a relative positional relationship between the power transmission side resonance circuit and the power reception side resonance circuit, based on the strength of the alternating magnetic field or electric wave which the signal reception device receives.

Abstract: A processor obtains power reception information including information on a power reception form of a power reception apparatus of each of a plurality of vehicles. The processor obtains power transmission information including information on a power transmission form of a power transmission apparatus available on a travel path through which each of the plurality of vehicles can travel. The processor selects as a vehicle to be dispatched from among the plurality of vehicles, a vehicle that can receive electric power from the power transmission apparatus on the travel path, based on the power reception information and the power transmission information.

Abstract: A wireless power transfer system includes a first power transmission unit, a second power transmission unit, a power reception unit, a sensing unit, and an ECU. The first power transmission unit is provided in a parking space. The second power transmission unit is provided in a traveling lane for a vehicle. The sensing unit senses a sensing target in a sensing region set around the vehicle. When the sensing unit senses the sensing target, the ECU reduces electric power transmitted from the first power transmission unit or the second power transmission unit that is transmitting electric power to the vehicle. The ECU sets the sensing region to be larger when the power reception unit receives electric power from the first power transmission unit than when the power reception unit receives electric power from the second power transmission unit.

Abstract: An ECU of a vehicle performs processing including transmitting a power feeding request during traveling along a power feeding lane, transmitting a vehicle ID when the vehicle is determined as having deviated from the power feeding lane, and transmitting the vehicle ID again when the vehicle is determined as having returned to the power feeding lane. A management server performs processing including starting power feeding when it receives the power feeding request, storing the received vehicle ID, stopping power feeding, and resuming power feeding when it receives again the vehicle ID and when the received vehicle ID matches with the stored vehicle ID.

Abstract: A server includes a communication device and a processor. From a user terminal, the communication device acquires a vehicle dispatch request including information indicating a vehicle dispatch location and a destination of a vehicle. When the communication device acquires the vehicle dispatch request, the processor determines a traveling route of the vehicle from a current location of the vehicle to the destination via the vehicle dispatch location in accordance with the vehicle dispatch request. The processor determines a route from the current location to the vehicle dispatch location such that an amount of power storage in a power storage device at the vehicle dispatch location is larger than an amount of electric power with which the vehicle can travel from the vehicle dispatch location to the destination.

Abstract: A controller of a contactless charging device performs a process including: acquiring vehicle information when a vehicle is present above a power transmitting device; permitting charging when it is determined that the vehicle is an electrically powered vehicle used as a taxi; starting charging; prohibiting charging when it is determined that the vehicle is not an electrically powered vehicle used as a taxi; and performing a notification process.

Abstract: A drive control system for a hybrid vehicle configured to prevent backward coasting on an uphill grade even when an engine torque cannot be delivered to drive wheels. When the hybrid vehicle is propelled by delivering engine torque to rear wheels on an uphill grade, the drive control system determines an occurrence of a failure in which the torque cannot be delivered from the engine to the rear wheels. If the occurrence of the failure is determined, the drive control system executes a hill hold control to deliver torque to establish a required drive force from a motor to front wheels while disengaging an engagement device.

Abstract: The ground power supplying apparatus includes a communication device for directly communicating with the vehicle by short range wireless communication with a communication distance of less than 10 meters, and a controller configured to control power transmission by the ground power supplying apparatus. If the communication device receives vehicle identification information from a second vehicle during supply of power from the ground supplying apparatus to a first vehicle, the controller is configured to stop supply of power to the first vehicle when the communication device receives the vehicle identification information from the second vehicle.

Abstract: A vehicle for receiving power by noncontact from a power transmission apparatus of a ground power supplying apparatus, has: a power reception apparatus for receiving power from the power transmission apparatus; a vehicle side communication device for transmitting a signal including identification information of the vehicle to the ground power supplying apparatus by short range wireless communication; a lateral deviation detection device for detecting a deviation in a relative position of the power reception apparatus with respect to the power transmission apparatus; and a vehicle side control device for controlling the vehicle side communication device. The vehicle side control device controls the vehicle side communication device so that power is not transmitted from the ground power supplying apparatus when the deviation is detected.

Abstract: The vehicle includes a first communication device for directly or indirectly communicating with the ground power supplying apparatus by wide area wireless communication with a communication distance of greater than or equal to 10 meters, and an electronic control unit. The electronic control unit is configured to request the ground power supplying apparatus cancel supply of power to the vehicle by the wide area wireless communication when a predetermined condition is satisfied.

Abstract: The power supply management device includes a communicating module for receiving power supply information relating to noncontact power supply from at least one of a vehicle and a ground power supplying apparatus when noncontact power supply between the vehicle and the ground power supplying apparatus ends, and a processor configured to judge that an abnormality relating to upload of the power supply information has occurred if the communicating module has not received the power supply information within a predetermined time period regardless of noncontact power supply having been scheduled.

Abstract: A vehicle enabling confirmation of an end of power transfer from a ground power supplying apparatus at the vehicle side, that is, a vehicle receiving power from a ground power supplying apparatus by noncontact, provided with a power reception apparatus for receiving power from the ground power supplying apparatus and a control device configured to judge an end of power transfer from the ground power supplying apparatus based on a change along with time of received power received by the power reception apparatus.

Abstract: A noncontact power supplying system transfers power by noncontact between a ground power supplying apparatus and a vehicle. The vehicle includes a power reception side resonance circuit for receiving power, and a signal emitting device for emitting an alternating magnetic field or electric wave for transmitting vehicle identification information of the vehicle to the ground power supplying apparatus. The ground power supplying apparatus includes a power transmission side resonance circuit for transmitting power to the power reception side resonance circuit, and a signal reception device for receiving an alternating magnetic field or electric wave emitted from the signal emitting device. The ground power supplying apparatus detects a relative positional relationship between the power transmission side resonance circuit and the power reception side resonance circuit, based on the strength of the alternating magnetic field or electric wave which the signal reception device receives.

Abstract: A ground power supplying apparatus provided with a power transmission apparatus having a resonance circuit and transmitting power to the vehicle and a control device shifting a state of the ground power supplying apparatus to a standby state when a predetermined suspension condition stands if the state of the ground power supplying apparatus is a main power transmission state or a power transmission active state and shifting a state of the ground power supplying apparatus to the power transmission active state when the suspension condition no longer stands if the state of the ground power supplying apparatus is the standby state.