The invention discloses a whole vehicle control method and device during whole vehicle electricity recovery. The method comprises the steps that the maximum battery charging power, the actual motor rotating speed, the maximum battery negative torque, the brake depth, the accelerator depth, the current gear, the current driving mode and the current vehicle speed of a target vehicle are obtained; according to the maximum charging power of the battery, the actual rotating speed of the motor and the maximum negative torque of the battery, the maximum recovery torque allowed by the whole vehicle is calculated; according to the brake depth, the accelerator depth, the current gear, the current driving mode and the current vehicle speed, the electric recovery original target torque is calculated; the electric recovery original target torque is processed, and a processed electric recovery target value is obtained; according to the maximum recovery torque and the processed electric recovery target value, the actual mechanical braking force and the actual electric recovery torque target value are calculated; and according to the actual mechanical braking force and the actual electric recovery torque target value, the target vehicle is controlled to conduct braking control and energy recovery control, the electric recovery torque and the mechanical braking force can be controlled in a coordinated mode, and the driving experience feeling is improved.

    一种整车电回收时整车控制方法及装置,包括:获取目标车辆的电池最大充电功率、电机实际转速、电池最大负扭矩、刹车深度、油门深度、当前挡位、当前驾驶模式以及当前车速;根据电池最大充电功率、电机实际转速和电池最大负扭矩,计算整车允许的最大回收扭矩;根据刹车深度、油门深度、当前挡位、当前驾驶模式以及当前车速,计算电回收原始目标扭矩;对电回收原始目标扭矩进行处理,得到处理后的电回收目标值;根据最大回收扭矩和处理后的电回收目标值,计算实际机械制动力和实际电回收扭矩目标值;根据实际机械制动力和实际电回收扭矩目标值控制目标车辆进行制动控制和能量回收控制,能够协调控制电回收扭矩和机械制动力,提高驾驶体验感。


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    Title :

    Vehicle control method and device during vehicle power recovery


    Additional title:

    一种整车电回收时整车控制方法及装置


    Contributors:
    MA XIANGMING (author) / XIA A'NAN (author) / YANG LIJIAN (author) / GUO ZIHAN (author)

    Publication date :

    2023-11-03


    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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