Abstract: A noncontact power supply system is provided with a mobile unit, a ground power supply apparatus configured to be able to supply power by noncontact to the mobile unit and a server configured to be able to communicate with the mobile unit and the ground power supply apparatus respectively. The server is configured to set a system utilization price of the noncontact power supply system based on the demand for power and, when an intent by the mobile unit for utilization of the noncontact power supply system at the system utilization price is confirmed, enable the mobile unit with a confirmed intent for utilization to be supplied with power by noncontact by sending information necessary for noncontact power supply to the mobile unit with a confirmed intent for utilization and ground power supply apparatus.

Abstract: A noncontact power supply device provided with one or more coil units and a cover housing the coil units inside of it. The cover is formed by joining a first sheet arranged at one surface sides of front and back surfaces of the coil units and a second sheet arranged at the other surface sides, the first sheet is a sheet covering the one surface sides of the coil units, the second sheet is a sheet having another surface part covering the other surface sides of the coil units and side surface parts covering side surfaces, the side surface parts of the second sheet are made to abut against side surfaces of the coil units by bending boundaries with the other surface part, and outer edge parts of the side surface parts of the second sheet and outer edge parts of the first sheet are joined.

Abstract: A vehicle includes: a wireless power receiver that receives power in a wireless manner from a plurality of wireless power transmitters arranged at predetermined intervals in a vehicle traveling direction on a traveling path; a rotating electric machine capable of generating driving force for traveling; an inverter that exchanges power with the rotating electric machine; a first power supply; a second power supply having higher output density and lower capacity density than the first power supply; and a DC-DC converter that exchanges power with the second power supply. Further, the wireless power receiver, the inverter, the DC-DC converter, and the first power supply are electrically connected in parallel to a power bus that supplies the power from the wireless power receiver to the inverter, and the second power supply and the power bus are electrically connected via the DC-DC converter.

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 wireless power transfer system comprises: a power conversion unit generating power to be transmitted to a power reception coil; a power transmission unit group constituted by two or more power transmission units, each power transmission unit having a power transmission circuit including a power transmission coil; a control unit controlling supply of power from the power conversion unit to the power transmission unit group; and a position detection unit detecting a position of a mobile body. The control unit, based on position information, supplies power from the power conversion unit to a power transmission unit group that satisfies a power transmission condition including that a distance of the power transmission coil relative to the power reception coil of the mobile body is less than or equal to a predetermined threshold, and does not supply power to a power transmission unit group that does not satisfy the power transmission condition.

Abstract: An abnormality determination apparatus includes a processing unit, a communication unit configured to communicate with a plurality of mobile bodies and a storage unit configured to store power reception history information received from each of the mobile body. The power reception history information includes a power receiving location of the received power received by the power receiving device, and a power transmission efficiency calculated based on the received power, or the received power. The processing unit is configured to extract information of the power receiving location where the power transmission efficiency is less than a predetermined value from the power reception history information of the plurality of the mobile bodies stored in the storage unit, and is configured to determine an abnormality of the power transmission device based on the information of the extracted power receiving location.

Abstract: A power transmission apparatus for wireless power transfer to a movable power receiving apparatus includes a power transmission resonator that includes a power transmission coil and a transmission resonance capacitor unit, and a power transmission circuit for supply of alternating-current power to the power transmission resonator. The power transmission apparatus includes a power-transfer request signal receiver configured to receive a power-transfer request signal transmitted from the power receiving apparatus, and a switching unit. The switching unit is configured to, when the power-transfer request signal receiver receives the power-transfer request signal, change an input impedance of the power transmission resonator to change a value of current flowing through the power transmission coil of the power transmission resonator to a controlled value enabled to transfer power from the power transmission coil to the power receiving apparatus.

Abstract: A supply device includes a power transmission device that has a primary coil provided on a road and transmits power to a vehicle traveling on a road in a non-contact manner, and a ground-side control device that controls the power transmission device, wherein the control device compares the required power of the vehicle traveling on the power supply lane provided with the primary coil with the suppliable power supplied by the power transmission device, adjusts the distribution of the supply power from the ground side to the vehicle based on the comparison result, and notifies the vehicle that the supply power from the ground side is insufficient when the suppliable power is smaller than the required power.

Abstract: A vehicle control device includes a rotating electrical machine and a gasoline engine, and controls a vehicle that receives electric power from a power supply lane provided on a road side and charges a battery that outputs power of the rotating electrical machine, the vehicle control device including a processor, wherein the processor selects one of first travel by the rotating electrical machine and second travel by the gasoline engine based on the electric power price and the gasoline price, and a total CO2 emissions discharged until the destination, and controls the travel of the vehicle on a route to the destination.

Abstract: The power supply control device according to the present disclosure is provided on a road side, and is a power supply control device that controls a power supply lane that supplies power to a vehicle, and includes a processor, wherein when a power shortage occurs in a power supply area by the power supply lane, the processor acquires travel state information of the vehicle in a plurality of power supply lanes managed by the power supply control device, and sets a priority level for power supply to each power supply lane based on the travel state information.

Abstract: A vehicle control device according to the present disclosure is a vehicle control device that receives or transmits electric power to a power supply lane provided on a roadside portion and controls a vehicle traveling on the road, the vehicle control device including a processor, wherein the processor judges whether or not there is leeway in electric power in a vehicle provided with the vehicle control device when a power shortage occurs in a power supply area by the power supply lane, and supplies electric power stored in the vehicle to the power supply lane when it is judged that there is leeway in electric power.

Abstract: The during-travel non-contact power supply system provides contactless power supply from a road-side power supply device to a vehicle equipped with a vehicle-side power receiving device while traveling on a power supply lane to charge a power storage device mounted on the vehicle. The road-side power supply device includes a road-side communication device for performing wireless communication, and the vehicle-side power receiving device includes a vehicle-side communication device for performing wireless communication and a power control device having a switching element for controlling the power supplied to the power storage device in a contactless manner. The vehicle can charge the power storage device by regenerative braking, and the vehicle-side power receiving device transmits the required amount of power to the roadside power supply device via wireless communication, which is set based on the remaining distance of the lane and the frequency of regenerative braking, and performs contactless power supply.

Abstract: An ECU controls a vehicle including a power reception unit that can wirelessly receive electric power from a power feeding facility placed on a travel road. The ECU includes a memory in which a user-desired condition is stored, the user-desired condition being a condition under which a user of the vehicle desires on-road power reception, the on-road power reception being power reception from the power feeding facility placed on the travel road, and a processor connected to the memory. When a physical condition for power feeding from the power feeding facility to the vehicle is satisfied and when the user-desired condition stored in the memory is not satisfied, the processor controls the power reception unit to suppress on-road power reception.

Abstract: The vehicle ECU determines whether the power transmission efficiency is decreasing due to the vehicle moving laterally from the power supply lane at night, and if the power transmission efficiency is decreasing, it illuminates the vehicle in the direction of travel according to the steering operation. Activate AFS, which can automatically change the range of light.

Abstract: The control device for power supply during travel includes a processor, and the processor sets the power supply lane to the power reception lane in the case of power shortage, and sets the power supply lane to the power transmission lane in the case of power surplus, according to the supply and demand balance of the power system, and outputs information to guide surrounding vehicles to the power receiving lane or power transmission lane.

Abstract: The vehicle ECU acquires detection information from a detection sensor that detects pedestrians located around the vehicle, and determines whether there are pedestrians located around the vehicle based on this detection information. Then, when the vehicle ECU determines that there are pedestrians located around the vehicle, the vehicle ECU outputs to the supply device the instruction information to reduce the amount of transmitted power supplied from the supply device when there are no pedestrians around the vehicle.

Abstract: The control device includes a processor that is configured to, in a wireless power transmission system that transmits, in a noncontact manner, power from a primary coil included in a supply facility to a secondary coil included in a vehicle that is traveling, output information for changing a traveling position in a width direction of the vehicle, and correct the traveling position in the width direction according to a change in the power transmission state when changing the traveling position in the width direction.

Abstract: The wireless power transmission system according to the present disclosure includes: a supply device installed on the road side and transmitting electric power; a vehicle equipped with a power receiving device and traveling on the road; wherein in the wireless power transmission system, a power receiving device receives power from a supply device and wirelessly transmits the power to a vehicle, the supply device is a primary coil that generates a magnetic field for transmitting power to the vehicle; a first communication device that performs short-range wireless communication with the vehicle; the vehicle includes a secondary coil that receives power transmitted contactlessly from the primary coil; a second communication device that performs short-range wireless communication with the supply device; in the first and second communication devices, one communication device has a single communication unit, and the other communication device has a plurality of communication units.

Abstract: A vehicle control device is mounted on a vehicle that includes a power receiving device that receives power transmitted in a non-contact manner from a ground-side supply device and a battery that charges the power received by the power receiving device. The drive frequency determined based on the requested power of the side is set as the first drive frequency, and the first drive frequency is transmitted to the supply device using wide area wireless communication. When the inverter included in the supply device is controlled to the first drive frequency, the power receiving device receives the power transmitted in a contactless manner and charges the battery, and the power is transferred before and after changing the inverter drive frequency to the first drive frequency. Feedback control is performed to check whether the transmission efficiency is high.

Abstract: A control device that controls a supply device that non-contactly transmits electric power to a vehicle running on a road, and is arranged in a line in the lane direction of the road and has multiple positions that detect the lateral position of the vehicle on the road. The amount of change in the lateral position of the vehicle is calculated based on the signal input from the sensor, and the amount of lateral positional deviation of the vehicle is estimated based on the calculated amount of change and vehicle speed information of the vehicle.