公开(公告)号：US20240123866A1

公开(公告)日：2024-04-18

申请号：US18531164

申请日：2023-12-06

Applicant: BYD COMPANY LIMITED

Inventor： Saiwu LIU ,  Zhihua CHENG ,  Lina YANG ,  Yanjun CHEN

IPC: B60L58/22 ,  B60L58/12 ,  B60L58/21

CPC classification number: B60L58/22 ,  B60L58/12 ,  B60L58/21 ,  B60L2200/26

Abstract: A method for equalizing battery capacities of a vehicle includes: determining, based on a current capacity of a battery of each of carriages, a largest battery capacity and a corresponding first carriage thereof, and a smallest battery capacity and a corresponding second carriage thereof; determining, based on the largest battery capacity and the smallest battery capacity, a first traction force and a second traction force, where the first traction force is greater than the second traction force; and outputting a first control command including the first traction force to the first carriage, and outputting a second control command including the second traction force to the second carriage for equalizing battery capacities of the carriages of the vehicle.