The invention is suitable for the technical field of vehicle control, and particularly relates to an engine reverse dragging restraining method and system of a hybrid power vehicle and the vehicle. The method comprises the steps that when a vehicle runs in a pure electric mode at the preset temperature, the engine shaft rotating speed of an engine and the generator shaft rotating speed of a generator are monitored in real time, and when the engine shaft rotating speed exceeds a first preset rotating speed value and the generator shaft rotating speed is not a second preset rotating speed value, the generator is controlled to output first reverse torque; the reverse torque is applied through the generator control unit, and the stable speed control function is achieved under the low-temperature condition, so that the rotating speed control over the engine is achieved, the engine is prevented from being reversely dragged, and the comfort of the vehicle is improved.
本申请适用于车辆控制技术领域,尤其涉及一种混合动力车辆的发动机反拖抑制方法、系统及车辆。该方法在车辆处于预设温度下的纯电行驶时,实时监测发动机的发动机轴转速和发电机的发电机轴转速,当发动机轴转速超过第一预设转速值且发电机轴转速不为第二预设转速值时,控制发电机输出第一反向扭矩,以使得发动机轴转速不超过第一预设转速值,利用发电机控制单元施加反向扭矩,在低温条件下起到稳速控制功能,从而实现发动机的转速控制,避免发动机被反拖,提高了车辆的舒适性。
Engine reverse dragging restraining method and system of hybrid power vehicle and vehicle
混合动力车辆的发动机反拖抑制方法、系统及车辆
01.11.2024
Patent
Elektronische Ressource
Chinesisch
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 |
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