The embodiment of the invention provides a vehicle ramp starting control method and device, a storage medium and equipment. In the method, a parking torque coefficient is determined based on the gradient, the whole vehicle mass and a ramp coefficient corresponding to the gradient; if the driving demand torque of the vehicle is larger than the smaller value of the parking torque coefficient and the preset demand torque coefficient or meets the driving intention condition, hydraulic torque parking is switched into motor driving torque parking; and after the hydraulic torque is cancelled, if the driving demand torque of the vehicle is smaller than the smaller value and the duration time that the vehicle does not meet the driving intention condition exceeds the preset time, the hydraulic torque parking state is recovered. Therefore, the driving torque and the hydraulic torque of the motor are controlled to be reasonably switched, so that the vehicle is prevented from slipping during hill starting, and meanwhile, the starting smoothness is optimized.

    本申请实施例提供一种车辆坡道起步控制方法、装置、存储介质及设备,该方法中,基于坡度、整车质量以及与坡度对应的坡道系数来确定驻车力矩系数,当车辆处于液压力矩驻车状态时,若车辆的驱动需求力矩大于该驻车力矩系数与预设的需求力矩系数中的较小值,或者满足驱动意图条件,则由液压力矩驻车切换为由电机驱动力矩驻车;而撤销液压力矩之后,若车辆的驱动需求力矩小于该较小值,且车辆不满足驱动意图条件的持续时间超过预设时间,则恢复至液压力矩驻车状态。如此,通过控制电机驱动力矩和液压力矩进行合理地切换,在防止车辆坡道起步溜坡的同时,优化起步的平顺性。


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    Title :

    Vehicle hill starting control method and device, storage medium and equipment


    Additional title:

    一种车辆坡道起步控制方法、装置、存储介质及设备


    Contributors:
    YANG JIA (author) / YI HAIXIA (author) / LIANG WANWU (author) / LUO JINGWEI (author) / LI RUNDONG (author)

    Publication date :

    2023-03-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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