The invention discloses a redundant vehicle-mounted control unit with a power switching function and a control method thereof.The redundant vehicle-mounted control unit comprises a redundant system A, a redundant system B and a redundant execution unit, and the redundant system A comprises a power module A, a power preprocessing unit A, a voltage maintaining unit A, a power management unit A, a microcontroller A, a driving unit A, a switch selection module 1 and a switch selection module 2; and the output end of the power supply module A is electrically connected with a power supply preprocessing unit A. The system is good in using effect, it is guaranteed that steering assistance is not obviously changed, when one of the power source A and the power source B breaks down in the using process, the other power source can be switched to supply power to the whole system in a short time, it is guaranteed that the system continues to work normally, and therefore the functions of automatic detection and fault elimination are achieved.
本发明公开了一种具备电源切换功能的冗余车载控制单元及其控制方法,包括冗余系统A、冗余系统B与冗余执行单元,所述冗余系统A包括电源模块A、电源预处理单元A、电压保持单元A、电源管理单元A、微控制器A、驱动单元A、开关选择模块1、开关选择模块2,所述电源模块A的输出端电性连接设置有电源预处理单元A。本发明使用效果好,保证转向助力不会有明显改变,当电源A和电源B在使用过程中,有一个出现故障后,可以在短时间内切换由另一个电源对整个系统供电,保证系统继续正常工作,从而实现了自动检测并消除故障的功能。
Redundant vehicle-mounted control unit with power supply switching function and control method thereof
一种具备电源切换功能的冗余车载控制单元及其控制方法
2023-05-30
Patent
Elektronische Ressource
Chinesisch
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