The barometric brake system is the most familiar power servo brake system. It iscommonly used in the medium-dutytruck and heavy truck.
气压动力制动是最常见的动力制动系统，多用于中重型汽车。
2
The air ABS of medium-dutytruck studied in this thesis included three parts: braking pressure adjustor, rotate speed sensor of wheel and electronic control unit (ECU).
According to the character of medium-dutytruck and the air braking system, the thesis studied concretely the structure project and control method of medium-duty truck's air ABS.