一种集成式制动系统及踏板感模拟器开关阀泄漏检测方法

The invention discloses an integrated braking system and a pedal feel simulator switch valve leakage detection method, wherein the system comprises a brake fluid supply and master cylinder loop, and the brake fluid supply and master cylinder loop comprises a liquid storage tank; the method comprises the steps of controlling a master cylinder isolation valve and an active pressure building mechanism isolation valve to be in a power-down state, controlling the active pressure building mechanism to be in a silent state, stepping down a pedal push rod to build pressure, and calculating the leakage amount of a pedal feel simulator switch valve based on pedal displacement sensor readings, master cylinder pressure sensor readings and master cylinder diameter. The invention effectively reduces the material and manufacturing cost of the system by removing the diagnostic valve, simultaneously completely reproduces the functions of the original diagnostic valve by utilizing a precise algorithm, ensures the safety of the system, obviously reduces potential fault points caused by additional valve bodies and interfaces, simplifies the structure of the system and improves the reliability.