The invention provides a monitoring system and a monitoring method for an electronic parking function. The monitoring system comprises a main control chip, a driving chip and a turn-off path module. Before unlocking or locking, the turn-off path is always in a triggered state; before unlocking or locking is ready to be executed, the function monitoring layer sends a signal to the turn-off path module so as to release the turn-off path; after the turn-off path is released, the functional layer driving motor completes unlocking or locking; after unlocking or locking is completed, the function monitoring layer sends a signal to the turn-off path module to trigger a turn-off path, a safety state is pre-entered, and better safety is achieved. After locking/unlocking is completed, a turn-off path is triggered, driving is turned off from a circuit, a safe state is entered, and unexpected unlocking/locking is avoided. According to the invention, a monitoring strategy is realized without depending on the outside, so that the response time after a fault is greatly shortened; most designs can be reused, and the cost is low; the fault diagnosis time and monitoring threshold requirements are low, and the method has better robustness.
本发明提供一种电子驻车功能的监控系统及监控方法,监控系统包括主控芯片、驱动芯片和关断路径模块。在解锁或锁止前,关断路径一直处于触发状态;准备执行解锁或锁止前,功能监控层对关断路径模块发出信号以释放关断路径;释放关断路径后,功能层驱动电机完成解锁或锁止;完成解锁或锁止后,功能监控层对关断路径模块发出信号以触发关断路径,预进入安全状态,具有更好的安全性。本发明在完成锁止/解锁后通过触发关断路径,从电路上关闭驱动,进入安全状态,避免非期望解锁/锁止。本发明实现其监控策略,不依赖于外部,大大缩短了故障后的响应时间;大部分设计可复用,成本低;故障诊断时间和监控阈值要求低,具有更好的鲁棒性。
Monitoring system and monitoring method for electronic parking function and readable storage medium
电子驻车功能的监控系统、监控方法和可读存储介质
2023-07-21
Patent
Elektronische Ressource
Chinesisch
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
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