The invention provides a control method and device of a composite braking system, and an electric vehicle. The composite braking system comprises an electromechanical braking system and a regenerativebraking system, the electromechanical braking system is used for forming basic braking torque, and the regenerative braking system is used for forming regenerative braking torque. The control methodcomprises the following steps: obtaining a braking signal, and calculating the required braking torque according to the braking signal; distributing the basic braking torque and the regenerative braking torque according to the required braking torque and the current working condition; and controlling the electromechanical braking system to form the basic braking torque, and controlling the regenerative braking system to form the regenerative braking torque. The system can fully utilize the regenerative braking system to recover energy within the full working condition range of the electric automobile, and the endurance mileage of the electric automobile is increased.

    本申请提出一种复合制动系统的控制方法、装置和电动汽车,其中,复合制动系统包括电子机械制动系统及再生制动系统,电子机械制动系统用于形成基础制动力矩,再生制动系统用于形成再生制动力矩,控制方法包括:获取制动信号,并根据制动信号计算需求制动力矩;根据需求制动力矩及当前工况,分配基础制动力矩及再生制动力矩;控制电子机械制动系统形成基础制动力矩,并控制再生制动系统形成再生制动力矩。该系统能够实现在电动汽车的全工况范围内,充分利用再生制动系统回收能量,提升电动汽车的续航里程。


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    Title :

    Control method and device of composite braking system, and electric automobile


    Additional title:

    复合制动系统的控制方法、装置和电动汽车


    Contributors:
    LYU HAIJUN (author) / LIAO YINSHENG (author)

    Publication date :

    2020-06-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen




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