The motor drive control apparatus includes first and second rotation information detection function units and a power control unit. When it is determined the ignition switch is changed from the ON state to the OFF state, the power control unit intermittently supplies power from a battery to the first and second rotation information detection function units at a first interval while a motor rotation number is lower than a preset rotation number set in advance. When it is determined the motor rotation number becomes equal to or higher than the preset rotation number during this intermittent supply state, the power control unit intermittently supplies the power from the battery to the first and second rotation information detection function units at a second interval shorter than the first interval while the motor rotation number is equal to or higher than the preset rotation number.
Motor Drive Control Apparatus, Electric Power Steering Apparatus, and Vehicle
16.08.2018
Patent
Elektronische Ressource
Englisch
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