The invention relates to the technical field of automobile parts, in particular to a drive-by-wire hydraulic braking control system with redundant braking, a main control unit IBC and a redundant braking module RBU are in communication connection through a CANFD, and the main control unit IBC and the redundant braking module RBU are electrically connected with an external power source; a push rod of the main control unit IBC is connected with a brake pedal, two oil outlets of the main control unit IBC are communicated with two oil inlets of the redundant brake module RBU through pipelines respectively, and the other two oil outlets of the main control unit IBC are connected with the two rear wheel EPB brakes through pipelines. Two oil outlets of the redundant brake module RBU are connected with the two front wheel brakes through pipelines, the redundant brake module RBU is connected with the two rear wheel EPB brakes through lines, and the main control unit IBC is connected with one rear wheel EPB brake through a line. The method has the advantages that the parking redundancy requirement is met, driving and parking redundancy can be achieved, and L3-level and above automatic driving requirements are met.
本发明涉及汽车零部件技术领域,尤其涉及一种带冗余制动的线控液压制动控制系统,主控制单元IBC和冗余制动模块RBU通过CANFD通信连接,主控制单元IBC和冗余制动模块RBU分别于外部电源电连接;主控制单元IBC的推杆与制动踏板连接,主控制单元IBC的两个出油口分别与冗余制动模块RBU的两个进油口通过管道连通,主控制单元IBC的另外两个出油口通过管道与两个后轮EPB制动器连接,冗余制动模块RBU的两个出油口通过管道与两个前轮制动器连接,冗余制动模块RBU通过线路分别与两个后轮EPB制动器连接,主控制单元IBC通过线路与一个后轮EPB制动器连接。本发明的有益效果是:满足驻车冗余要求,能够实现行车和驻车冗余,支持L3级及以上自动驾驶需求。
Drive-by-wire hydraulic brake control system with redundant brake
一种带冗余制动的线控液压制动控制系统
2024-02-20
Patent
Electronic Resource
Chinese
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
Brake-by-wire system with redundant backup brake and control method
European Patent Office | 2023
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