PROBLEM TO BE SOLVED: To provide a motor control device which can control drive of an electric motor even if a failure occurs in a motor electric angle detection part for detecting a motor electric angle, an electric power steering device and a vehicle.SOLUTION: A motor control device comprises: a relative off-set quantity estimation part 62 which estimates a relative off-set quantity θoff of a reference value of an output shaft rotation angle detection value θos of a steering shaft which is detected by an output side rotation angle sensor, and a motor electric angle original point of a three-phase electric motor; and a motor electric angle estimation part 63 which calculates a motor electric angle estimation value θm2 on the basis of the output shaft rotation angle and the relative off-set quantity θoff. At least one of a resolver 23a and an angle computing part 60 controls drive of the three-phase electric motor based on the motor electric angle estimation value θm2 estimated by the motor electric angle estimation part 63 in an abnormal case.SELECTED DRAWING: Figure 8

    【課題】モータ電気角を検出するモータ電気角検出部に故障が生じた場合でも電動モータを的確に駆動制御することが可能なモータ制御装置、電動パワーステアリング装置及び車両を提供する。【解決手段】出力側回転角センサで検出されるステアリングシャフトの出力軸回転角検出値θosの基準値と3相電動モータのモータ電気角原点との相対オフセット量θoffを推定する相対オフセット量推定部62と、出力軸回転角と相対オフセット量θoffとに基づきモータ電気角推定値θm2を算出するモータ電気角推定部63とを備え、レゾルバ23a及び角度演算部60の少なくとも一方が異常時はモータ電気角推定部63で推定したモータ電気角推定値θm2に基づき3相電動モータを駆動制御する。【選択図】図8


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    Titel :

    MOTOR CONTROL DEVICE, ELECTRIC POWER STEERING DEVICE AND VEHICLE


    Weitere Titelangaben:

    モータ制御装置、電動パワーステアリング装置及び車両


    Beteiligte:
    NAMPEI KOICHI (Autor:in)

    Erscheinungsdatum :

    2017-02-16


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



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