An electronic parking brake system of a vehicle according to one aspect of the present application includes: a power supply control switch of a brake motor disposed between the brake motor and a power supply and configured to be in a closed state to supply power to the brake motor using the power supply; the detection unit is configured to determine a current value of the brake motor based on a plurality of currents of the brake motor acquired redundantly; determining a phase voltage value of the brake motor based on the plurality of phase voltages of the brake motor acquired redundantly; determining a bus voltage value of the brake motor based on a plurality of bus voltages of the brake motor acquired redundantly; the control unit is coupled with the detection unit and is configured to generate fault alarm information and control a power supply control switch of the brake motor based on a current value and a phase voltage value of the brake motor in a first detection state; and in the second detection state, fault alarm information is generated at least based on the current value of the brake motor and the bus voltage value, and the driving current of the brake motor is selectively controlled.
本申请一个方面的车辆的电子驻车制动系统包括:制动电机的电源控制开关,其设置在制动电机与供电电源之间并且配置成处于闭合状态以利用供电电源向制动电机供电;检测单元,其配置成:基于冗余采集的制动电机的多个电流确定所述制动电机的电流值;基于冗余采集的制动电机的多个相电压确定所述制动电机的相电压值;以及基于冗余采集的制动电机的多个母线电压确定所述制动电机的母线电压值;控制单元,其与所述检测单元耦合并且配置成:在第一检测状态下基于制动电机的电流值和相电压值生成故障报警信息并控制制动电机的电源控制开关;以及在第二检测状态下至少基于制动电机的电流值和母线电压值生成故障报警信息并选择性地控制制动电机的驱动电流。
Electronic parking brake system and electronic parking brake method for vehicle
车辆的电子驻车制动系统及电子驻车制动方法
2025-01-03
Patent
Electronic Resource
Chinese
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
Electronic parking brake system control method, electronic parking brake system and vehicle
European Patent Office | 2024
|European Patent Office | 2017
|