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Journal of the Korean Institute of Illuminating and Electrical Installation Engineers

ISO Journal TitleJ Korean Inst. IIIum. Electr. Install. Eng.
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Authors Nga Thi-Thuy Vu ; Jin-Woo Jung
DOI http://dx.doi.org/10.5207/JIEIE.2011.25.3.015
Page pp.15-23
ISSN 1225-1135
Keywords Extended Kalman filter(EKF) ; Nonlinear control ; Permanent magnet synchronous motor(PMSM) ; Speed control
Abstract This paper proposes a nonlinear speed controller for a permanent magnet synchronous motor (PMSM). In this paper, the load torque is estimated by an extended Kalman filter (EKF) observer because the proposed controller needs its knowledge. To confirm the effectiveness of the proposed control scheme, simulations and experiments are performed under motor parameter variations with a prototype PMSM drive system.