冗余制动系统及冗余制动方法

A redundant braking system and a redundant braking method comprise an EMB system and a braking system, wherein the EMB system comprises an EMB control module, a wheel speed acquisition processor, a pedal stroke sensor and a plurality of braking actuators, the EMB control module is respectively and electrically connected with the braking system, the pedal stroke sensor, the wheel speed acquisition processor and the plurality of braking actuators, the EMB control module can calculate and obtain theoretical deceleration according to the corresponding relation between the brake master cylinder pressure and the deceleration and the corresponding acceleration relation of the output torque of an engine, calculate a plurality of wheel slip rates in the braking process according to signals detected by the wheel speed acquisition processor and judge the braking state of a vehicle according to the pedal stroke, and when the difference between the theoretical deceleration and the actual deceleration is larger than a first threshold value, the difference between the wheel slip rates on different oil ways is larger than a second threshold value and the pedal stroke is larger than a third threshold value, the EMB control module controls the braking actuators to intervene in the braking system to brake. The problem that the vehicle is unstable when a braking system fails can be solved.