Bifurcations and chaos in a permanent-magnet synchronous motor

Zhong Li; Jin Bae Park; Young Hoon Joo; Bo Zhang; Guanrong Chen

doi:10.1109/81.989176

Bifurcations and chaos in a permanent-magnet synchronous motor

Zhong Li, Jin Bae Park, Young Hoon Joo, Bo Zhang, Guanrong Chen

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

273 Citations (Scopus)

Abstract

This brief studies dynamic characteristics of a permanent-magnet synchronous motor (PMSM). The mathematical model of the PMSM is first derived, which is fit for carrying out the bifurcation and chaos analysis. Then, the steady-state characteristics of the system, when subject to constant input voltage and constant external torque, are formulated. Three cases are discussed and, for each case, conditions are derived under which the dynamic characteristics of the system are either of steady-state type, limit cycles or chaotic, thus by properly adjusting some system parameters, the system can exhibit limit cycles (LCs) or chaotic behaviors at will. Finally, computer simulations are presented to verify the existence of strange attractors in the PMSM.

Original language	English
Pages (from-to)	383-387
Number of pages	5
Journal	IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications
Volume	49
Issue number	3
DOIs	https://doi.org/10.1109/81.989176
Publication status	Published - 2002 Mar

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

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10.1109/81.989176

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abstract = "This brief studies dynamic characteristics of a permanent-magnet synchronous motor (PMSM). The mathematical model of the PMSM is first derived, which is fit for carrying out the bifurcation and chaos analysis. Then, the steady-state characteristics of the system, when subject to constant input voltage and constant external torque, are formulated. Three cases are discussed and, for each case, conditions are derived under which the dynamic characteristics of the system are either of steady-state type, limit cycles or chaotic, thus by properly adjusting some system parameters, the system can exhibit limit cycles (LCs) or chaotic behaviors at will. Finally, computer simulations are presented to verify the existence of strange attractors in the PMSM.",

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AB - This brief studies dynamic characteristics of a permanent-magnet synchronous motor (PMSM). The mathematical model of the PMSM is first derived, which is fit for carrying out the bifurcation and chaos analysis. Then, the steady-state characteristics of the system, when subject to constant input voltage and constant external torque, are formulated. Three cases are discussed and, for each case, conditions are derived under which the dynamic characteristics of the system are either of steady-state type, limit cycles or chaotic, thus by properly adjusting some system parameters, the system can exhibit limit cycles (LCs) or chaotic behaviors at will. Finally, computer simulations are presented to verify the existence of strange attractors in the PMSM.

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Bifurcations and chaos in a permanent-magnet synchronous motor

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