The invention relates to the technical field of vehicle control technologies, in particular to a safety redundancy control method for an electronic booster and an EHPS or EPS. A redundancy backup motor drives a hydraulic pump to communicate with a redundancy hydraulic pipeline of the electronic booster, and a first electromagnetic valve is installed on the pipeline; the method specifically comprises the following control processes that an electronic booster fault diagnosis module monitors an electronic booster motor in real time, and when the electronic booster motor is normal, a redundant backup motor is disconnected from an electronic booster; when the motor of the electronic booster fails, the redundant backup motor is connected with the electronic booster; the EHPS or EPS fault diagnosis module monitors an EHPS or EPS motor in real time, and when the EHPS or EPS motor is normal, the redundant backup motor is disconnected from the transmission mechanism; and when the EHPS or EPS motor fails, the redundant backup motor replaces the EHPS or EPS motor to work and is connected with the transmission mechanism. The method provided by the invention is low in cost, simple in control method, small in occupied space and relatively high in practicability.
本发明涉及车辆控制技术技术领域,尤其涉及电子助力器与EHPS或EPS安全冗余控制方法,冗余备份电机驱动液压泵与电子助力器冗余液压管路连通且管路上安装第一电磁阀,具体包括如下控制过程:电子助力器故障诊断模块实时监测电子助力器电机,电子助力器电机正常,冗余备份电机与电子助力器断开;电子助力器电机失效,冗余备份电机与电子助力器连接;EHPS或EPS故障诊断模块实施监测EHPS或EPS电机,当EHPS或EPS电机正常,冗余备份电机与传动机构断开;EHPS或EPS电机失效,冗余备份电机代替EHPS或EPS电机工作与传动机构接通。本发明提供的方法成本低,控制方法简单,且占用空间小,实用性比较强。
Electronic booster and EHPS or EPS safety redundancy control method
电子助力器与EHPS或EPS安全冗余控制方法
2022-08-30
Patent
Electronic Resource
Chinese
Electronic booster and EHPS or EPS safety redundancy system
European Patent Office | 2022
|European Patent Office | 2017