The invention provides a control method of a range-extending type automobile, which comprises the following steps of: firstly, receiving the state of a range extender APU through a vehicle control unit, judging a high-voltage state, and receiving the residual electric quantity SOC of a battery and the current automobile speed through the vehicle control unit; therefore, whether the range extender APU is started or not is determined. And finally, according to the battery residual electric quantity SOC and the current operation condition of the vehicle, the whole vehicle demand power value is distributed to the range extender APU. According to the method, the required power is distributed according to the battery remaining capacity SOC and the whole vehicle operation condition, the discharging power of the power battery can be effectively reduced while the vehicle dynamic property is guaranteed, and the safety of the power battery can be effectively guaranteed by taking the battery remaining capacity SOC as the condition for distributing the required power.

    本发明提供了一种增程式汽车的控制方法,首先通过整车控制器接收增程器APU状态、判断高压状态,并通过整车控制器接收电池剩余电量SOC及当前车速;由此决定是否开启增程器APU。最终根据电池剩余电量SOC和车辆当前运行工况分配整车需求功率值给增程器APU。本发明根据电池剩余电量SOC和整车运行工况分配需求功率,在保证车辆动力性同时可以有效减少动力电池放电功率,而且将电池剩余电量SOC作为分配需求功率的条件可以有效保证动力电池的安全性。


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    Title :

    Control method of range-extending type automobile


    Additional title:

    一种增程式汽车的控制方法


    Contributors:
    LIU XU (author) / JIANG LIANGLIANG (author)

    Publication date :

    2023-04-18


    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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