Chaos Control of Permanent Magnet Synchronous Motor Based on Finite Time LaSalle Invariant Set

doi:10.16182/j.issn1004731x.joss.20-0509

Abstract

Abstract: In order to effectively restrain the chaotic behavior of permanent magnet synchronous motor, an adaptive controller is designed based on finite time theory and LaSalle invariant set theorem. The chaotic dynamics characteristics of the permanent magnet synchronous motor system are analyzed, and the parameter fields of the system in different motion states are determined. It is proved theoretically that the controller can stabilize to the equilibrium point in finite time and can automatically track the equilibrium point of the system. Simulation results show that the control scheme is concise, faster and more stable. The research results are of great significance to ensure the stable operation of PMSM.

Key words: permanent magnet synchronous motor, bifurcation diagram, finite time theory, laSalle invariant set

CLC Number:

TP273

Zhang Yun, Wang Cong, Zhang Hongli, Ma Ping. Chaos Control of Permanent Magnet Synchronous Motor Based on Finite Time LaSalle Invariant Set[J]. Journal of System Simulation, 2020, 32(10): 1956-1963.

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