The invention is suitable for the technical field of automobile braking, and provides a redundant braking system for an automatic driving automobile, the redundant braking system comprises a main braking module and an auxiliary braking module, the main braking module comprises a PBM electronic control unit, a PBM hydraulic circuit and at least one sensor; the auxiliary braking module comprises an SBM electronic control unit, an SBM hydraulic circuit and at least one sensor. A vehicle controller; the braking device is associated with each wheel of the automobile and is used for providing braking torque for the wheels; the hydraulic circuit is connected between the PBM and the braking device, and is also connected between the SBM and the braking device; and the communication bus is used for carrying out communication between the modules. The system can execute improved braking operation when one of the braking modules has a communication fault, the existing communication bus and hydraulic circuit core hardware do not need to be changed, and a new method is provided for the braking design of the self-driving automobile.
本发明适用于汽车制动技术领域,提供了一种用于自动驾驶汽车的冗余制动系统,包括:主制动模块和辅助制动模块,主制动模块包括PBM电子控制单元、PBM液压回路和至少一个传感器;辅助制动模块包括SBM电子控制单元、SBM液压回路和至少一个传感器;车辆控制器;制动装置,所述制动装置与汽车的各个车轮相关联,用于向车轮提供制动扭矩;液压回路,所述液压回路连接在PBM和制动装置之间,并且也连接在SBM和制动装置之间;通信总线,所述通信总线用于进行模块之间的通信。该系统能够在其中一个制动模块出现通信故障时,执行改进的制动操作,且不需要改变现有通信总线和液压回路核心硬件,为自动驾驶汽车的制动设计提供了新的方法。
Redundant braking system and method for self-driving automobile
一种用于自动驾驶汽车的冗余制动系统和方法
2024-01-12
Patent
Elektronische Ressource
Chinesisch
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