The invention discloses a master-slave redundancy high-voltage safety monitoring system. The system adopts a redundancy calculation mode when a vehicle control unit calculates the high-voltage switching requirement, so that the safety risk caused by the fact that the vehicle control unit does not send a high-voltage lowering instruction when the vehicle needs to lower the high voltage due to the failure of the vehicle control unit is avoided, or the situation that when the high voltage does not need to be lowered, the vehicle control unit sends a high voltage lowering instruction to cause power interruption is avoided.
本发明提供的一种主从冗余高压安全监控系统,该系统针对整车控制器在计算高压切换的需求时采用冗余计算的方式,避免控制器本身的失效,导致整车在需要下高压的时候整车控制器没有发出下高压的指令带来安全风险,或者在不需要下高压的时候整车控制器发出了下高压的指令导致动力中断。
Master-slave redundancy high-voltage safety monitoring system and automobile
一种主从冗余高压安全监控系统及汽车
2021-09-14
Patent
Electronic Resource
Chinese
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