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    • 35. 发明授权
    • Motor control device
    • 电机控制装置
    • US07084603B2
    • 2006-08-01
    • US10844580
    • 2004-05-13
    • Hitoshi TaguchiTakeshi KitahataYosuke Nakazawa
    • Hitoshi TaguchiTakeshi KitahataYosuke Nakazawa
    • H02P23/00H02P25/00H02P27/00H02P27/04
    • H02P6/185H02P25/03
    • A motor control device that can reduce electrical noise is provided. A motor control device includes an inverter, a current controller, a high frequency wave superpositioner, and a high frequency wave setter. An inverter applies a current to the motor. A current controller outputs a voltage to the inverter according to a current applied to the motor from the inverter. A high frequency wave superpositioner applies a high frequency wave to the voltage from the current controller as a superpositioned wave to infer a position of a rotor in the motor. A high frequency wave setter varies at least one characteristic of the superpositioned wave applied by the high frequency wave superpositioner.
    • 提供可以降低电气噪声的电动机控制装置。 电动机控制装置包括逆变器,电流控制器,高频波叠加器和高频波定位器。 逆变器向电机施加电流。 电流控制器根据从逆变器施加到电动机的电流向逆变器输出电压。 高频波叠加器将来自电流控制器的电压作为叠加波施加高频波,以推定电动机中转子的位置。 高频波设置器改变由高频波叠加器施加的叠加波的至少一个特性。