Honda Motor Co., Ltd.

Fuji Electric Co., Ltd.

Shinichi Yokoyama

Keiichiro Homma

Mitsuteru Yano

Masahiko Sato

Yusaku Amari

Takashi Sone

Tomohide Haraguchi

Hakaru Sadano

Atsushi Kaneko

Hiroki Katsumata

Naoya Yasuda

Nobuhisa Ando

Tomoki Nakahara

A control device for a mobile body is equipped with a switching unit configured to switch a conductive path between a charging and electrical power supplying unit, a charging connector, and an electrical power supplying connector, a connection determination unit configured to determine whether or not an electrical load is connected to the electrical power supplying connector, a failure determination unit configured to execute a failure determination to determine a failure of the switching unit based on a conductive state when the conductive path is switched, and a control unit configured to limit execution of the failure determination by the failure determination unit, in the case it is determined by the connection determination unit that the electrical load is connected to the electrical power supplying connector.

Control device for mobile body, control method therefor, and mobile body including determining a failure of a switching unit when no electrical load is connected

An on-vehicle system according to an aspect of the present invention includes: an acquisition part that acquires a signal indicating a voltage of a secondary battery which is mounted on a vehicle; an electric power supply part that uses electric power which is supplied from an external electric power supply device and that supplies the electric power to the secondary battery or an auxiliary machine mounted on the vehicle; and an output part that outputs a charge rate of the secondary battery based on the signal indicating the voltage of the secondary battery which is acquired by the acquisition part, wherein the electric power supply part controls output electric power such that stored electric power of the secondary battery is constant in a case where the vehicle stops and the charge rate of the secondary battery is output.

On-vehicle system, secondary battery management system, charge rate output method, and program

A power conversion device includes a power converter, a relay, and a welding detector. The welding detector includes a first resistor connected to a terminal of the relay on a first side, a capacitor and a second resistor, both of which are connected to a terminal of the relay on a second side, an application unit to apply an inspection signal to the relay via the capacitor and the second resistor, and a determiner connected between the capacitor and the second resistor, the determiner detecting a signal based on application of the inspection signal by the application unit to determine whether or not the relay is welded.

Power conversion device

A control device for a mobile body is equipped with a charging and electrical power supplying unit including a first smoothing capacitor positioned on a connector side and a second smoothing capacitor positioned on a battery side, and a control unit configured to control the charging and electrical power supplying unit. When the battery is charged using electrical power supplied from the electrical power source device, the control unit completes precharging a first smoothing capacitor and a second smoothing capacitor using electrical power supplied from the battery, before the electrical power from the electrical power source device starts to be supplied to the charging and electrical power supplying unit.

Control device for mobile body, control method therefor, and mobile body

A management apparatus manages electric power transfer between a power system and a secondary battery mounted in a vehicle and storing electric power for traveling. The management apparatus includes a storage configured to store an upper limit number of rotations of a rotating machine included in the vehicle, and a controller configured to acquire an integrated number of rotations of the rotating machine that is measured from a start time of a warranty period of the vehicle and to limit electric power transfer between the power system and the secondary battery when the integrated number of rotations is equal to or greater than the upper limit number of rotations.

Management apparatus, management method, and program

A management device manages transfer of electric power between an electric power system and a secondary battery that is mounted in a vehicle and stores electric power for travel. The management device includes an acquisition unit configured to acquire remaining performance of the secondary battery and information indicating a use period of the secondary battery, and a control unit configured to acquire two or more threshold values corresponding to period information based on a use period of the secondary battery from reference information in which two or more threshold values are associated with the period information based on the use period of the secondary battery, compare remaining performance of the secondary battery with each of the two or more acquired threshold values, and control transfer of electric power between the electric power system and the secondary battery on the basis of a result of the comparison.

Management device, management method, and program

A power management system, which has a holding function capable of holding power in the form of storable energy, and a supply function for supplying power procured from a contractor to the holding function, sets a utilizable range of storable energy held by the holding function. In the setting, if an amount of storable energy held by the holding function exceeds a predetermined amount, an excess of the storable energy exceeding the predetermined amount is set as utilizable storable energy.

Power management system, control device, and method

There is provided a V2G system including a parent aggregator which manages buying and selling of power from a plurality of power supply sources to a power grid, and a child aggregator which manages a plurality of transport machines and guarantees the parent aggregator charging and discharging between at least one of batteries mounted on the transport machines and the power grid. The child aggregator acquires first information regarding the charging and discharging and second information regarding the transport machines from each of the transport machines, aggregates the first information and the second information, and transmits at least the first information to the parent aggregator.

V2G system, server apparatus, and transport machine

A vehicle management system is provided. The system carries out at least one of controlling a supply of power from an onboard power unit in a parked vehicle to the exterior and controlling charging of the onboard power unit from the exterior. The system comprises a control unit for controlling the supply of power or charging between the onboard power unit and the exterior; a transaction managing unit for managing the supply of power or charging between the onboard power unit and the exterior; and a payment point setting unit for setting a payment point for a user associated with the parked vehicle, wherein the payment point setting unit sets the payment point on the basis of transaction information recorded by the transaction managing unit.

Vehicle management system to control supply of power or charging between onboard power unit and exterior

A power storage device includes a storage battery capable of transferring electric power to and from an external electric power network, a receiver configured to receive an instruction related to transfer of the electric power, and a controller configured to control charge and discharge of the storage battery according to the instruction. The instruction includes a first instruction for requesting switching between short-term charge and discharge from the storage battery to the electric power network, and a second instruction for requesting continuous discharge from the storage battery to the electric power network. The instruction allowed by the controller varies depending on a variable representing a state of charge of the storage battery by a level of a value.

Power storage device, transport equipment, and control method

A power storage device includes a storage battery capable of transferring electric power to and from an external electric power network, and a controller configured to control charge and discharge of the storage battery according to an electric power request. The electric power request includes a first request for requesting switching between short-term charge and discharge from the storage battery to the electric power network, and a second request for requesting continuous discharge from the storage battery to the electric power network. The electric power request to be transmitted to the power storage device which is issued by a server device configured to manage the charge and discharge of the storage battery in the power storage device varies according to a variable representing a state of charge of the storage battery by a level of a value.

Server device and control method

Provided is a charge and discharge management device for managing charging and discharging of an energy storage device in a vehicle, the vehicle including: the energy storage device configured to perform electric power transfer with an external power grid; and an electric device configured to adjust an electric power to be charged and discharged by the energy storage device, and configured to travel by power supply from the energy storage device, wherein the charge and discharge management device is configured to charge the energy storage device, by the electric power transfer with the external power grid, for increasing a remaining capacity of the energy storage device to a predetermined level when a conduction integration time of the electric device measured from a start point of a warranty period of the vehicle is equal to or longer than a first predetermined time.

Charge and discharge management device

A vehicle includes a connection wire which is provided at the vehicle, an electricity storage device, an external charging system, which charges the electricity storage device with power received from an external power supply through the connection wire, an auxiliary machinery load which is connected to the connection wire, a current sensor which measures au inflow current value into the electricity storage device and an outflow current value from the electricity storage device, an auxiliary machinery current consumption measurement unit which measures a current value to be consumed by the auxiliary machinery load, and a control device which, estimates the inflow current value from the external power supply based on a measurement result of the current sensor and a measurement result of the auxiliary machinery current consumption measurement unit while the electricity storage device is being charged with power received from the external power supply.

Vehicle

A charging cable for use in charging a vehicle includes a power line, an input section, an oscillator, and a pulse-width adjusting device. The power line is used to carry power from an external power supply to the vehicle. The external power supply and the vehicle are connected to each other with the power line disposed therebetween. A set charging current value in charging the vehicle is input to the input section. The oscillator is configured to generate an oscillation signal having a pulse width within a range of a rated current of the external power supply. The rated current is capable of being supplied to the vehicle. The pulse-width adjusting device is configured to adjust the pulse width of the oscillation signal generated by the oscillator to correspond to the set charging current value input from the input section.

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Wako, Japan

Shinichi Yokoyama