Motor Control Apparatus, Electric Power Steering Apparatus and Vehicle Using the Same
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    发明申请
    Motor Control Apparatus, Electric Power Steering Apparatus and Vehicle Using the Same 有权
    电机控制装置,电动转向装置及其使用的车辆

    公开(公告)号:US20160134212A1

    公开(公告)日:2016-05-12

    申请号:US14899051

    申请日:2013-12-13

    申请人: NSK LTD.

    IPC分类号: H02P6/12 H02P6/14

    摘要: A motor control apparatus includes a motor current shutoff unit inserted between a multi-phase inverter circuit and a multi-phase electric motor to shut off a current for each of plural phases, the inverter circuit including an arm for each of the plural phases, a redundant arm unit including one or more arms, a connection selecting unit selecting which one of windings of the electric motor is to be connected to each of the one or more arms of the redundant arm unit, an abnormal arm detection unit detecting an abnormality in each of the plural phases of the inverter circuit, and an abnormality control unit shutting off connection between an abnormal arm and the motor when the abnormal arm detection unit detects the abnormal arm, and connecting the one or more arms of the redundant arm unit to a winding of the motor shut off.

    摘要翻译: 电动机控制装置包括插入在多相逆变器电路和多相电动机之间的电动机电流切断装置,以切断多相的电流,所述逆变器电路包括用于各相的臂,a 包括一个或多个臂的冗余臂单元,连接选择单元,其选择要连接到所述冗余臂单元的所述一个或多个臂中的每一个的所述电动机的绕组中的哪一个;检测每个所述异常的异常臂检测单元 以及异常控制单元,当异常臂检测单元检测到异常臂时,断开异常臂与电机之间的连接,并将冗余臂单元的一个或多个臂连接到绕组 的电机关闭。