The invention discloses an energy-saving motor torque control method for a pure electric vehicle, and the method comprises the steps: calculating a first expected motor torque according to the collected opening degree of an accelerator pedal or the opening degree of a brake pedal and the rotating speed of a motor; based on the first expected motor torque, the expected speed of the vehicle at the next moment is calculated through a vehicle running resistance equation, according to the expected speed, the second expected motor torque of the energy-saving running mode is calculated through a state matrix of the vehicle and a corresponding cost function, and the weight coefficient of the cost function is determined through fuzzy logic control; and determining the first expected motor torque or the second expected motor torque as the required motor torque according to the difference between the first expected motor torque and the second expected motor torque. The invention further discloses a device for achieving the energy-saving motor torque control method for the pure electric vehicle and a computer storage medium. On the basis of meeting the drivability, the energy consumption of the battery can be better reduced, and the endurance mileage of the automobile is improved.

    本发明公开了一种纯电动汽车节能的电机扭矩控制方法,根据采集获取的加速踏板开度或制动踏板开度以及电机转速,计算第一期望电机扭矩;基于第一期望电机扭矩,通过车辆行驶阻力方程计算车辆在下一时刻的期望速度,并根据期望速度,通过车辆的状态矩阵及对应代价函数计算节能行驶模式的第二期望电机扭矩,代价函数的权重系数以模糊逻辑控制确定;根据第一期望电机扭矩与第二期望电机扭矩的差值确定第一期望电机扭矩或者第二期望电机扭矩作为所需电机扭矩。本发明还公开了实现纯电动汽车节能的电机扭矩控制方法的装置及计算机存储介质。本发明在满足驾驶性的基础上,能够更好的降低电池的能耗,提高汽车的续航里程。


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    Title :

    Energy-saving motor torque control method and device for pure electric vehicle and storage medium


    Additional title:

    一种纯电动汽车节能的电机扭矩控制方法、装置及存储介质


    Contributors:
    ZHANG CHI (author) / LIANG MANZHI (author)

    Publication date :

    2025-01-07


    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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