The invention relates to a control method for hill starting and stopping of an electric engineering vehicle, which comprises the following steps of: judging whether an anti-slip condition is met or not, and if so, directly entering a starting anti-slip mode which comprises a torque amplitude limiting stage, a torque synchronizing stage and a torque keeping stage; when the electric engineering vehicle is completely stopped stably but the brake pedal is not loosened, the anti-slip mode is in a torque amplitude limiting stage; after the brake pedal is completely released, the anti-slip mode is started to enter a torque synchronization stage; and after a transient torque synchronization stage, the anti-slip mode enters a torque holding stage, the torque holding time starts timing after the static torque of the motor is stable, and the anti-slip mode is stopped after the preset torque synchronization time is reached. Under the condition that additional auxiliary equipment is not needed, the electric engineering vehicle without the gradient sensor can be effectively prevented from sliding on the ramp, and the starting and stopping reliability and safety of the electric vehicle on the ramp are improved.

    本发明涉及一种电动工程车辆坡道起步停车的控制方法,包括以下步骤:判断是否满足防溜坡条件,若满足则直接进入起步防溜坡模式,该模式包括转矩限幅阶段、转矩同步阶段和转矩保持阶段;在电动工程车辆已经完全停稳,但制动踏板还未松开时,防溜坡模式处于转矩限幅阶段;当制动踏板完全松开后,起步防溜坡模式进入转矩同步阶段;经过短暂的转矩同步阶段后,防溜坡模式进入转矩保持阶段,转矩保持时间从电机静态转矩稳定后开始计时,并在到达预设的转矩同步时间后退出起步防溜坡模式。本发明在无需增加额外辅助设备的情况下,可以有效避免未装配坡度传感器的电动工程车辆在坡道上溜坡,提高了电动车辆在坡道上起步和停车的可靠性和安全性。


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    Title :

    Control method for hill starting and parking of electric engineering vehicle


    Additional title:

    一种电动工程车辆坡道起步停车的控制方法


    Contributors:
    XIA BICHAO (author) / HU JIANFEI (author) / HU JIANHUA (author) / CHEN CHENG (author) / DAI HU (author) / ZHOU HUANHUI (author)

    Publication date :

    2023-11-24


    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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