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Motor control apparatus

專利號
US11177750B2
公開日期
2021-11-16
申請人
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

The present disclosure will be described below with reference to the accompanying drawings that show, by way of illustration, specific embodiments in which the present disclosure may be implemented. The embodiments are described fully to enable those skilled in the art to implement the present disclosure. It should be understood that the various embodiments of the present disclosure are different from each other but need not be mutually exclusive. For example, certain shapes, structures and characteristics of one embodiment described herein may be realized in other embodiments without departing from the scope of the present disclosure.

In addition, it should be understood that the positions or arrangements of individual components in each disclosed embodiment may be changed without departing from the scope of the present disclosure. Accordingly, the following detailed description is not to limit the scope of the present disclosure, and if properly described, the scope of the present disclosure is defined only by the appended claims along with the full range of equivalents to which the claims are entitled. Similar reference numerals in the drawings refer to the same or similar functions throughout the several aspects.

權(quán)利要求

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