Observer-based Integral Backstepping Control for Permanent Magnet Synchronous Motor

doi:10.16182/j.issn1004731x.joss.201708015

Abstract

Abstract: For the speed tracking control problem of Permanent Magnet Synchronous Motor (PMSM), an observer-based back-stepping speed tracking control method was presented. To reconstruct the motor speed and stator axis current, a full order Luenberger observer for PMSM was constructed. By using Lyapunov stability theory, the linear matrix inequality (LMI) based design method of observer was obtained. Through the design of the virtual control input that include the reconstruction variables, using back-stepping control strategy and integrating with tracking errors, the controller of the closed-loop system was proposed. The obtained controller can achieve high precision speed tracking. The validity of these methods were verified by a numerical example.

Key words: PMSM, speed sensorless, observer, backstepping control

CLC Number:

TP13

Lan Yonghong, Wang Liangliang, Chen Caixue. Observer-based Integral Backstepping Control for Permanent Magnet Synchronous Motor[J]. Journal of System Simulation, 2017, 29(8): 1753-1761.

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