The invention provides a motor driving system and a control method thereof, and relates to the technical field of vehicles. The motor driving system comprises a first shaft and a second shaft which are arranged in parallel, the first shaft is sequentially and coaxially provided with a first motor, a differential mechanism assembly, a first clutch device and a second motor, the second shaft is sequentially and coaxially provided with a first intermediate shaft, a second clutch device and a second intermediate shaft, and the first motor is used for providing first speed section driving; the second motor is used for providing second speed section driving which is greater than the first speed section; the first clutch device is used for connecting or disconnecting a second motor shaft of the second motor and the differential mechanism assembly; and the second clutch device is used for connecting or disconnecting the first intermediate shaft and the second intermediate shaft. According to the invention, an efficient working area driven by the motor can be widened, power non-interruption type gear shifting of the motor driving system and power coupling driving of the double motors are realized, and the smoothness is relatively good.

    本申请提供一种电机驱动系统及其控制方法,涉及车辆技术领域。该电机驱动系统包括平行布置的第一轴和第二轴,该第一轴依次同轴布置第一电机、差速器总成、第一离合装置以及第二电机,该第二轴依次同轴布置第一中间轴、第二离合装置以及第二中间轴,其中,第一电机,用于提供第一速段驱动;第二电机,用于提供大于第一速段的第二速段驱动;第一离合装置,用于接合或断开第二电机的第二电机轴与差速器总成的连接;第二离合装置,用于接合或断开第一中间轴与第二中间轴的连接。本申请,可以拓宽电机驱动的高效工作区,实现电机驱动系统的动力无中断式换挡,以及双电机的功率耦合驱动,平顺性较好。


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    Title :

    Motor driving system and control method thereof


    Additional title:

    电机驱动系统及其控制方法


    Contributors:
    LI SHUYUAN (author) / KOSHIYAMA REI (author) / ZHANG WENQIANG (author) / SUN XINDONG (author) / LU YUANYUAN (author)

    Publication date :

    2024-09-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    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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