The motor control device includes plural motor current blocking units that, in blocking operation, individually block energization between plural motor driving circuits and multi-phase motor windings of a multi-phase electric motor and an abnormality detecting unit that detects a short-circuit failure of the motor current blocking units. The abnormality detecting unit causes one or more motor current blocking units of the plural motor current blocking units to perform a blocking operation during energization between the plural motor driving circuits and the multi-phase electric motor, and, during the blocking operation, detects a short-circuit failure of the motor current blocking units caused to perform the blocking operation based on current values of currents flowing to the plural motor driving circuits.
Motor Control Device, Electric Power Steering Device Using Same, and Vehicle
2016-11-10
Patent
Elektronische Ressource
Englisch
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / 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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