[Problem] An object of the present invention is to provide a motor control unit that improves a discontinuous feeling of an assist by flexibly making an adjustment of a current command value of a normal system when a failure occurs in any system of multi-system motor control, and enables smooth handling, and to provide an electric power steering apparatus and a vehicle equipped with the same. [Means for solving the problem] A motor control unit comprises motor driving circuits of respective winding systems that supply a motor having multi-system motor windings with driving currents; and a control calculating section that calculates a current command value of each winding system for driving the motor, when a failure occurs in the motor winding or the motor driving circuit in any of the systems, performs a first change of changing a characteristic of the current command value of a normal system to a first characteristic that forms a characteristic equivalent to a total of the current command values at normal time, after performing the first change, performs a second change of changing the characteristic of the current command value to a second characteristic whose output is more suppressed than the first characteristic, and controls the motor driving circuit.
MOTOR CONTROL DEVICE, ELECTRIC POWER STEERING DEVICE AND VEHICLE MOUNTED WITH SAME
MOTORSTEUERUNGSVORRICHTUNG SOWIE ELEKTRISCHE SERVOLENKVORRICHTUNG UND FAHRZEUG DAMIT
DISPOSITIF DE COMMANDE DE MOTEUR, DISPOSITIF DE DIRECTION ASSISTÉE ÉLECTRIQUE ET VÉHICULE LE COMPORTANT
2019-10-23
Patent
Electronic Resource
English
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