The invention discloses a vehicle auxiliary braking method, device and equipment and a storage medium. After the vehicle enters the auxiliary braking mode, the ramp gradient of the road section where the vehicle is located and the load of the vehicle are obtained, then the target negative torque value corresponding to the vehicle is determined according to the ramp gradient and the load, and then the target negative torque value is transmitted to the motor controller; and the motor controller controls the motor to brake according to the target negative torque value. The target negative torque value corresponding to the vehicle is determined according to the gradient of the ramp and the load, the target negative torque values under different working conditions can be obtained, the motor controller controls the motor to brake according to the target negative torque values, and compared with an existing method that after an auxiliary brake switch button is started, the negative torque value is given, and the braking efficiency is improved. Auxiliary braking is started in an electric braking mode, the braking force of the motor under different working conditions can be adjusted, the braking capacity recovery rate is further improved, and the stability and safety of auxiliary braking of the whole vehicle are improved.

    本发明公开一种车辆辅助制动方法、装置、设备及存储介质。本发明通过在车辆进入辅助制动模式后,获取车辆所在路段的坡道倾斜度和车辆的载重,然后根据坡道倾斜度和载重确定车辆对应的目标负扭矩值,再将目标负扭矩值传输至电机控制器,以使电机控制器根据目标负扭矩值控制电机进行制动。本发明根据坡道倾斜度和载重确定车辆对应的目标负扭矩值,能够得到不同工况下的目标负扭矩值,并使电机控制器根据目标负扭矩值控制电机进行制动,相较于现有的在开启辅助制动开关按钮后,给定一个负扭矩值,通过电制动的方式启动辅助制动,本发明上述方式能够对不同工况下的电机制动力进行调整,进一步提高制动能力回收率,提高整车辅助制动的平稳性、安全性。


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    Title :

    Vehicle auxiliary braking method, device and equipment and storage medium


    Additional title:

    车辆辅助制动方法、装置、设备及存储介质


    Contributors:
    MA QIUXIANG (author) / WANG SHANCHAO (author) / QIN JIRONG (author) / ZHANG XUBIN (author) / MO JIAHONG (author) / LI CHUNXIAO (author) / HUANG GUOGUI (author) / YAO LIUCHENG (author)

    Publication date :

    2023-05-23


    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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