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Precision Position Control of PMSM using Load Torque Observer and Parameter Compensator  

고종선 (단국대 전기전자 및 컴퓨터 공학부)
이태훈 (슈나이더일렉트릭코리아(주))
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.9, no.1, 2004 , pp. 42-49 More about this Journal
Abstract
This paper presents a new method of external load disturbance compensation using deadbeat load torque observer and gain compensation by parameter estimator. The response of the permanent magnet synchronous motor(PMSM) follows the nominal plant. The load torque compensation method is composed of a deadbeat observer. To reduce the noise effect, the post-filter implemented by moving average(MA) process is adopted. The parameter compensator with recursive least square method(RLSM) parameter estimator is suggested to make the new system work as same as the name plate system which in used to take gains. The proposed estimator is combined with a high performance load torque observer to resolve the problems. As a result, the proposed control system has a robust and precise system against the load torque and the parameter variation. A stability and usefulness are verified by computer simulation and experiment.
Keywords
PMSM; Precision position control; RLSM parameter estimator; Parameter compensator;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
연도 인용수 순위
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