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Nonsingular terminal sliding mode control for the speed regulation of permanent magnet synchronous motor with parameter uncertainties

Xu, Wei and Jiang, Yajie and Mu, Chaoxu and Yue, Hong (2016) Nonsingular terminal sliding mode control for the speed regulation of permanent magnet synchronous motor with parameter uncertainties. In: 41st Annual Conference of the IEEE Industrial Electronics Society, IECON 2015. IEEE, Piscataway, NJ., pp. 1994-1999. ISBN 9781479917624

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Abstract

The drive performance of permanent magnet synchronous motor (PMSM) can be deteriorated due to various disturbances. In this paper, the problem of speed control for a PMSM system with parameter uncertainties is investigated. A new control algorithm based on nonsingular terminal sliding mode control (NTSMC) is proposed, where the controller is developed for speed regulation. Compared with conventional strategies, this new controller provides improved performance for speed regulation of PMSM when subject to parameter uncertainties, in that it achieves fast dynamic response and strong robustness. Simulation studies are conducted to verify the effectiveness of this proposed method.