The invention relates to the technical field of pure electric vehicle whole vehicle control systems, and particularly discloses a pure electric vehicle driving control method based on driver acceleration intention recognition, which comprises the following steps: a VCU (Vehicle Control Unit) collects vehicle state information, and obtains a driver demand acceleration corresponding to a reference pedal opening and a vehicle speed through calculation processing according to fuzzy logic; according to the information, the current acceleration requirement of a driver is recognized through a fuzzy rule, then the current motor output torque is adjusted through PI calculation by combining the acceleration requirement of the driver with the current acceleration of the vehicle, the current acceleration of the vehicle follows the required acceleration of the driver, and therefore accelerator pedal driving self-adaptive control is achieved. According to the method, driving self-adaptive control over the accelerator pedal is achieved without adding a sensor, the vehicle is started stably without jumping, the speed is constant, control is easy, fluctuation of the vehicle speed is avoided, rapid-speed operation in violent driving can be limited, and the purpose that pedal driving control feelings are consistent under different vehicle weights and different gradients is achieved.

    本发明涉及纯电动汽车整车控制系统技术领域,具体公开了一种基于驾驶员加速意图识别的纯电动车辆驱动控制方法,VCU采集车辆状态信息,根据模糊逻辑经过计算处理获得参考踏板开度与车速对应驾驶员需求加速度,通过以上信息首先通过模糊规则识别驾驶员当前的加速度需求,再以驾驶员的加速度需求结合车辆当前加速度,通过PI计算调节当前的电机输出扭矩,使车辆当前加速度跟随驾驶员的需求加速度,以此实现加速踏板驱动自适应控制;本发明无需新增传感器,便实现加速踏板的驱动自适应控制,实现车辆起步平稳不窜车、匀速易控车速不波动,并能够限制暴力驾驶中的急速度操作的问题,实现不同车重、不同坡度下踏板驱动控制感受一致的目的。


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    Title :

    Pure electric vehicle driving control method based on driver acceleration intention recognition


    Additional title:

    一种基于驾驶员加速意图识别的纯电动车辆驱动控制方法


    Contributors:
    ZHANG WENBO (author) / CHAE HOON-HOON (author) / TSUNETAKA TAKASHI (author) / WANG KAI (author) / YASUTAKE (author)

    Publication date :

    2024-08-09


    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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