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Please use this identifier to cite or link to this item: http://hdl.handle.net/10198/2223

Título: A real-time estimator of electrical parameters for vector controlled induction motor using a reduced order extended Kalman filter
Autor: Leite, V.
Araújo, R.
Freitas, D.
Palavras-chave: Induction motors
Estimation techniques
Variable speed drives
Adaptive control
Issue Date: 2002
Citação: Leite, V.; Araújo, R.; Freitas, D. (2002) - A real-time estimator of electrical parameters for vector controlled induction motor using a reduced order extended Kalman filter. In 10th International Power Electronics and Motion Control Conference. Cavtat & DubrovniK.
Resumo: This paper presents an application of the extended Kalman filter (EKF) to the simultaneous on-line estimation of the dq rotor flux components and all the electrical parameters of a vector controlled induction motor. A time-discrete reduced order model structure is deduced and presents a simple and reduced state equation and a scalar output equation. This approach, combined with the use of the rotor reference frame, offers advantages for real-time identification, compared with full order models, because it reduces the computational cost. The proposed new approach requires the measurement of motor speed, stator voltages and currents signals. Simulation and experimental studies presented in this paper highlight the improvements produced by this new approach based on the extended Kalman filter and a new discretization technique, under real operation conditions.
URI: http://hdl.handle.net/10198/2223
Appears in Collections:DE - Artigos em Proceedings Não Indexados ao ISI/Scopus

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