A MMRAC Controller Applied to Encoderless Speed Control Induction Motor Drives

Helder Tavares Câmara; Hilton Abílio Gründling

doi:10.18618/REP.2005.2.049056

Authors

Helder Tavares Câmara UFSM/CT/GEPOC Federal University of Santa Maria. Santa Maria, Av. Roraima s/n, Brazil
Hilton Abílio Gründling UFSM/CT/GEPOC Federal University of Santa Maria. Santa Maria, Av. Roraima s/n, Brazil

DOI:

https://doi.org/10.18618/REP.2005.2.049056

Keywords:

Induction Motor Drive, Recursive Least Square, RMRAC, Speed Sensorless

Abstract

This paper proposes a Modified Model Reference Adaptive Controller (MMRAC) for a speed sensorless induction motor drive. MMRAC is obtained by modifying the control law U of a Robust Model Reference Adaptive Controller (RMRAC). The MMRAC is used to assure performance in a wide speed range, including lowand zero-speed conditions. Experimental results are given to show the effectiveness of the proposed controller.

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Author Biographies

Helder Tavares Câmara, UFSM/CT/GEPOC Federal University of Santa Maria. Santa Maria, Av. Roraima s/n, Brazil

was born in Natal, RN, Brazil, in 1977. He received the B.S. and M.S. degrees in electrical engineering from the Federal University of Santa Maria, Santa Maria, Brazil, in 2000 and 2002, respectively, where he is currently pursuing the Ph.D. degree in electrical engineering. His research interests include digital control techniques of motor drives, robust adaptive control, and control systems applications. Mr. Câmara is currently a member of the IEEE Industry Applications Society.

Hilton Abílio Gründling, UFSM/CT/GEPOC Federal University of Santa Maria. Santa Maria, Av. Roraima s/n, Brazil

was born in Santa Maria, RS, Brazil, in 1954. He received the B.S. degree from the Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil, in 1977, the M.S. degree from the Federal University of Santa Catarina, Santa Catarina, Brazil, in 1980, and the Ph.D. degree from the Technological Institute of Aeronautics, São Paulo, Brazil, in 1995. Since 1980, he has been with the Federal University of Santa Maria, Rio Grande do Sul, Brazil, where he is currently a Professor. His research interests include robust model reference adaptive control, discrete control, and control systems applications.

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