Patent ID: 11880786
Assignee: NISSAN MOTOR CO., LTD.
Field: IT methods for management (Electrical engineering)
Classification: CPC G  B  Y | IPC B  G

Claim 0:
1. A vehicle management system comprising:
a plurality of vehicles each being provided with a battery, the plurality of vehicles including a first vehicle and a second vehicle;
a charge-discharge device that charges and discharges the batteries; and
a vehicle management computer that manages the plurality of vehicles and the charge-discharge device,
the vehicle management computer being configured to:
acquire information, when a reservation for the first vehicle is received that includes at least a use time from a user's terminal device that is related to a charging facility that supplies electric power to the charge-discharge device, and information that is related to the battery of the second vehicle that is different from the first vehicle and which is not reserved by a user, and which battery is connected to the first vehicle via the charge-discharge device, to determine whether a vehicle reservation received from the user is possible,
determine which is less expensive, a first cost associated with charging the battery of the first vehicle using electric power supplied from the charging facility, or a second cost associated with charging the battery of the first vehicle using electric power that is discharged from the battery of the second vehicle, based on the information relating to the charging facility and the information relating to the battery of the second vehicle, and
send a command to the charge-discharge device to charge the battery of the first vehicle using the electric power associated with the less expensive of the first cost and the second cost,
the second cost being determined based on a cost of charging the battery of the second vehicle at a previous time;
the charge-discharge device configured to:
charge the battery of the first vehicle with the charge-discharge device based on the command received from the vehicle management computer.