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Motor control apparatus

專利號(hào)
US11177750B2
公開日期
2021-11-16
申請(qǐng)人
SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION（KR Seoul）
發(fā)明人
Seung-Ki Sul; Yong-Cheol Kwon; Joohyun Lee
IPC分類
H02P21/00; H02P21/22; H02P21/18; H02P21/20; H02P6/10; H02P6/18; H02P27/06
技術(shù)領(lǐng)域
isig,current,rotor,motor,signal,circumflex,tilde,command,torque,angular
地域： Seoul

摘要

A motor control apparatus according to one embodiment of the present invention comprises: a current controller for generating a voltage command signal on the basis of a torque command for driving a motor and a fundamental wave current of the motor; a high frequency voltage generator for generating a high frequency voltage signal for injection into the voltage command signal; an inverter for applying a voltage to the motor on the basis of the voltage command signal and the high frequency voltage signal; an angle estimator for generating an estimated angle of a rotor of the motor on an estimated coordinate system on the basis of a current signal of the motor; and a compensator for adding a first compensation signal (icomp) to the current signal (isig), wherein the first compensation signal (icomp) may be related to the torque command and the estimated angle.

說明書

i qsh r ^ ? [ n ] = I Δ · sin ? ( 2 ? θ ~ r - 2 ? ? Δ ) · clk ? [ n - 2 ] , ? where

權(quán)利要求

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