The invention proposes a dynamic torque control method and system of an electric vehicle, wherein the method comprises the steps of: obtaining the acceleration pedal openness, the acceleration pedal change rate, the vehicle speed and the motor rotating speed to obtain the real-time torque; determining the target rotating speed according to the acceleration pedal openness, the vehicle speed or the motor rotating speed, judging if the real-time torque satisfies preset conditions through the target torque; and obtaining the torque variation changed with the acceleration pedal openness and the acceleration pedal change rate to determine the sent torque sent to the motor according to the real-time torque and the torque variation when the real-time torque satisfies the preset conditions. The dynamic torque control method of the electric vehicle, proposed by the embodiment of the invention, selectively controls the torque increment or decrement speed through the torque variation changed with the acceleration pedal openness and the acceleration pedal change rate to synthesize the dynamic property, the comfort and the safety.


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    Titel :

    Dynamic torque control method and system of electric vehicle


    Beteiligte:
    YANG WEIBIN (Autor:in)

    Erscheinungsdatum :

    19.08.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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