The invention provides a torque distribution control method and system for a distributed driving vehicle. The control method comprises the steps: obtaining driving information of a vehicle driver, driving information of a vehicle, and road surface information of a vehicle driving road surface in real time; obtaining a driving intention of the vehicle driver according to the driving information; obtaining a driving condition of the vehicle according to the driving intention; setting a control function of vehicle torque distribution corresponding to the driving working condition; and adopting aparticle swarm optimization algorithm to distribute the vehicle torque according to a control function, the driving information, the running information and the road surface information so as to control a wheel driving motor of the vehicle. Optimal driving energy efficiency torque distribution control of the vehicle can be achieved on the premise that the stability of the vehicle is ensured so that energy saving performance of the distributed driving vehicle can be improved, and meanwhile, the method and the system can be suitable for vehicles of which front and rear axle wheels are provided with driving motors of different configurations, and have relatively wide adaptability.

    本发明提供了一种分布式驱动车辆的转矩分配控制方法和系统,其中,所述控制方法包括:实时获取车辆驾驶员的驾驶信息、车辆的行驶信息和车辆行驶路面的路面信息;根据驾驶信息得到车辆驾驶员的驾驶意图;根据驾驶意图得到车辆的行驶工况;对应行驶工况设定车辆转矩分配的控制函数;采用粒子群优化算法根据控制函数、驾驶信息、行驶信息和路面信息对车辆转矩进行分配,以控制车辆的车轮驱动电机。本发明能够保证车辆在稳定的前提下达到最优的驱动能效转矩分配控制,从而能够提升分布式驱动车辆的节能性能,同时能够适用于前后轴车轮具有不同构型的驱动电机的车辆,具有较为广泛的适应性。


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    Title :

    Torque distribution control method and system for distributed driving vehicle


    Additional title:

    分布式驱动车辆的转矩分配控制方法和系统


    Contributors:
    LIU CHENG (author) / ZHAO JINGBO (author) / HANG ZHICHENG (author) / ZHU LIANGPENG (author)

    Publication date :

    2020-10-23


    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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