Patent ID: 11861348
Assignee: HYUNDAI MOTOR COMPANY
Field: Transport (Mechanical engineering)
Classification: CPC G  B  H  Y | IPC B  G

Claim 8:
9. An update control method of a vehicle controller, the method comprising:
acquiring, by an over-the-air (OTA) management server, a state of charge (SOC) change rate when the vehicle controller is updated;
classifying, by the OTA management sever, vehicles having the SOC change rate below a threshold into a same group;
matching, by the OTA management sever, a vehicle information and battery information to the SOC change rate for each group;
selecting, by the OTA management sever, as a reference group, a group having a largest number of matching the vehicle information and the battery information of a target vehicle to be updated from among the groups;
extracting, by the OTA management sever, the SOC change rate of the reference group;
calculating, by a CCU, a remaining SOC value after an update is completed with a slope on a corresponding SOC change rate;
determining, by the CCU, whether to update the vehicle controller; and
proceeding, by the CCU, with an update,
wherein the vehicle information includes a vehicle identification number (VIN) of each the vehicle, a specification of a controller, a distance driven of each vehicle, a duration per trip, and an average number of trips per week from the CCU of each vehicle, and
wherein the battery information includes a maker, type, production date, and capacity of a battery installed in each vehicle.