Provided are a motor control device (1) for controlling a motor (2) having a plurality of phases, for quickly and accurately detecting a phase in which an open-state fault has occurred when the open-state fault occurs in a target phase. When a power-supply voltage (Vb) is equal to or higher than a predetermined voltage (Vthr), a motor rotation speed (ω) is equal to or lower than a predetermined speed (ωthr), a target x-phase voltage command (Vx*) is not in the vicinity of zero, a current (Ix) of the target x-phase is equal to or lower than a predetermined current (Iu_thr), and a state in which a control error is equal to or larger than a predetermined error is detected over a predetermined time period or longer, occurrence of an open-state fault in the target phase is determined.


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    Titel :

    Motor control device and electric power steering device using same


    Beteiligte:
    KEZOBO ISAO (Autor:in) / IEZAWA MASAHIRO (Autor:in) / ZENIYA SUSUMU (Autor:in) / IWAMI EIJI (Autor:in) / FUJIKI YUSUKE (Autor:in) / KISHIOKA HIROYUKI (Autor:in) / KAMEI SADAAKI (Autor:in) / KIMPARA YOSHIHIKO (Autor:in) / OKADA JIRO (Autor:in)

    Erscheinungsdatum :

    21.02.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B62D MOTOR VEHICLES , Motorfahrzeuge



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