A dual motor power system for a pure electric vehicle and a control method thereof are disclosed, wherein within a range defined between upper and lower torque thresholds for the operations of one of the two motors under current vehicle speed, the torque of this motor is changed stepwise with a certain torque step; the required torque of the other motor is determined based on the torque distribution relation of the first and second motors; and the synchronized efficiency of the power system is determined based on the torques of the first and second motors so that the optimal synchronized efficiency of the power system is ergodically searched out, and the optimal working points of the two motors and the corresponding gear of the second motor are determined then.


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    Title :

    DUAL MOTOR POWER SYSTEM AND CONTROL METHOD FOR PURE ELECTRIC VEHCILE


    Additional title:

    DOPPELMOTORLEISTUNGSSYSTEM UND STEUERUNGSVERFAHREN FÜR REINES ELEKTROFAHRZEUG
    SYSTÈME D'ALIMENTATION DE MOTEUR DOUBLE ET PROCÉDÉ DE COMMANDE POUR VÉHICULE ÉLECTRIQUE PUR


    Contributors:
    LENG HONGXIANG (author) / LI WEN (author) / SUN JUN (author) / JIANG XINHUA (author) / ZHANG FEIFEI (author) / LUO SIDONG (author) / GE HAILONG (author)

    Publication date :

    2020-04-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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