The invention provides a main and auxiliary drive bridge torque distribution method, electronic equipment and a readable storage medium, and the method comprises the steps: obtaining the optimal torque distribution coefficient distribution information of a main and auxiliary drive bridge under different preset voltages, the main and auxiliary drive bridge optimal torque distribution coefficient distribution information under each preset voltage comprises different vehicle demand torques and main and auxiliary drive bridge optimal torque distribution coefficients under different vehicle speeds; according to the current vehicle working voltage and the main and auxiliary drive bridge optimal torque distribution coefficient distribution information under different preset voltages, main and auxiliary drive bridge optimal torque distribution coefficient distribution information corresponding to the current vehicle working voltage is obtained; according to the current vehicle demand torque, the current vehicle speed and the main and auxiliary drive bridge optimal torque distribution coefficient distribution information corresponding to the current vehicle working voltage, a corresponding main and auxiliary drive bridge optimal torque distribution coefficient is selected; and distributing torque for the main drive bridge and the auxiliary drive bridge according to the optimal torque distribution coefficient of the main drive bridge and the auxiliary drive bridge, the current vehicle demand torque and the current road adhesion condition. According to the method, under the condition that the longitudinal stability of the whole vehicle is guaranteed, the torque of the main drive bridge and the torque of the auxiliary drive bridge of the pure electric four-wheel-drive vehicle are optimally distributed, so that the bridge system of the pure electric four-wheel-drive vehicle runs at the optimal working point, the power consumption of the pure electric four-wheel-drive vehicle is reduced, and the cruising ability of the pure electric four-wheel-drive vehicle is improved.

    本发明提供了一种主辅驱电桥扭矩分配方法、电子设备和可读存储介质,该方法包括:获取不同预设电压下的主辅驱电桥最优扭矩分配系数分布信息,其中,每一预设电压下的主辅驱电桥最优扭矩分配系数分布信息均包括不同车辆需求扭矩、不同车辆速度下的主辅驱电桥最优扭矩分配系数;根据当前车辆工作电压以及不同预设电压下的主辅驱电桥最优扭矩分配系数分布信息,获取当前车辆工作电压所对应的主辅驱电桥最优扭矩分配系数分布信息;根据当前车辆需求扭矩、当前车辆速度以及当前车辆工作电压所对应的主辅驱电桥最优扭矩分配系数分布信息,选取出对应的主辅驱电桥最优扭矩分配系数;根据主辅驱电桥最优扭矩分配系数、当前车辆需求扭矩以及当前路面附着情况,为主驱电桥和辅驱电桥分配扭矩。本发明可以在保证整车纵向稳定性的条件下,实现纯电动四驱车辆的主驱电桥和辅驱电桥的扭矩的最优分配,从而使得纯电动四驱车辆的电桥系统运行在最优的工作点,减少纯电动四驱车辆的电耗,提升纯电动四驱车辆的续航能力。


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    Titel :

    Main and auxiliary drive bridge torque distribution method, electronic equipment and readable storage medium


    Weitere Titelangaben:

    主辅驱电桥扭矩分配方法、电子设备和可读存储介质


    Beteiligte:
    ZHAO YUNFENG (Autor:in) / FENG CUILIANG (Autor:in) / ZHANG HANG (Autor:in) / SHEN HANGQUAN (Autor:in) / QU FENGTING (Autor:in)

    Erscheinungsdatum :

    19.07.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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