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    ELECTRIC VEHICLE AND ELECTRIC-MOTOR CONTROL METHOD AND APPARATUS THEREFOR, AND STORAGE MEDIUM
    1.
    发明公开
    ELECTRIC VEHICLE AND ELECTRIC-MOTOR CONTROL METHOD AND APPARATUS THEREFOR, AND STORAGE MEDIUM 审中-公开

    公开(公告)号：EP4450350A1

    公开(公告)日：2024-10-23

    申请号：EP23844762.7

    申请日：2023-01-16

    Applicant: Zhejiang Zeekr Intelligent Technology Co., Ltd ,  VIRIDI E-MOBILITY TECHNOLOGY (NINGBO) CO., LTD. ,  Zhejiang Geely Holding Group Co., Ltd.

    Inventor： SHEN, Keqing ,  MA, Yingguo ,  CHEN, Dong ,  CHEN, Qimiao ,  LI, Changluo

    IPC: B60W30/20 ,  B60W10/04 ,  B60W40/10

    Abstract: The present application relates to the field of electric vehicles, and particularly to an electric vehicle and an electric-machinery control method therefor, an apparatus and a storage medium. The electric-machinery control method for the electric vehicle of the present application includes: detecting a relative deformation amount of a transmission system between a driving gear and a wheel end of an electric machinery; determining a first speed differential value between a first driving-gear rotational speed and a first wheel-end converted rotational speed when the relative deformation amount is a first threshold value, where the relative deformation amount being the first threshold value is used for indicating that the driving gear and a driven gear of the transmission system start to disengage, the first driving-gear rotational speed is a rotational speed of the driving gear at a disengagement moment that the driving gear and the driven gear disengage, and the first wheel-end converted rotational speed is a rotational speed obtained by performing a speed ratio conversion on a rotational speed of the wheel end of the electric vehicle at the disengagement moment; determining an output torque of the electric machinery according to the first speed differential value; controlling the driving gear to perform a gear-approaching operation relative to the driven gear according to the output torque, so as to reduce or even avoid problems of large vibration and noise of the electric machinery and the transmission system.

    CONTROL DEVICE FOR ELECTRIC VEHICLE
    2.
    发明公开
    CONTROL DEVICE FOR ELECTRIC VEHICLE 审中-公开

    公开(公告)号：EP4257414A1

    公开(公告)日：2023-10-11

    申请号：EP23164225.7

    申请日：2023-03-27

    Applicant: MAZDA MOTOR CORPORATION

    Inventor： Ebisumoto, Hirofumi ,  Yoshizue, Tomohiro ,  Sori, Tsukasa

    IPC: B60L15/20 ,  B60L3/00 ,  H02K1/14 ,  H02K1/278 ,  H02P23/26 ,  H02P25/024 ,  H02P21/00 ,  B60K6/46 ,  B60W30/186 ,  B60W30/20 ,  B60L15/02

    Abstract: A control device for an electric vehicle is provided, which includes a drive motor of which magnetic poles of a rotor are comprised of variable magnetism magnets, and a clutch disposed between the drive motor and driving wheels. When the electric vehicle travels, the control device performs a torque control, and a first clutch control in which an engaging torque of the clutch is controlled to be higher than a demanded torque. When performing a magnetization control when the electric vehicle travels, the control device changes the clutch control from the first clutch control to a second clutch control in which the engaging torque is made to coincide with the demanded torque, before the execution of the magnetization control, and adds a given slip torque to the demanded torque to start a micro slip control in which the clutch is made from an engaged state into a micro slip state.

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