4.6 Article

Research on chaos control of permanent magnet synchronous motor based on the synthetical sliding mode control of inverse system decoupling

期刊

JOURNAL OF VIBRATION AND CONTROL
卷 27, 期 9-10, 页码 1009-1019

出版社

SAGE PUBLICATIONS LTD
DOI: 10.1177/1077546320936499

关键词

Permanent magnet synchronous motor; chaos analysis; chaos control; synthetical sliding mode; inverse system decoupling method

资金

  1. National Natural Science Foundation of China [51605003, 51575001]
  2. Anhui Science and Technology Project [1604a0902158]
  3. introduction of talents science research foundation of Anhui Polytechnic University [2016YQQ002]

向作者/读者索取更多资源

This article introduces a method for chaos control of a permanent magnet synchronous motor using synthetic sliding mode control. By establishing the mathematical model of the motor and analyzing chaos, the system decoupling is achieved through an inverse system approach. Experimental tests in MATLAB/Simulink software validate the proposed control system's ability to effectively eliminate chattering and manage chaos in the motor system.
This article focuses on realizing the chaos control of a permanent magnet synchronous motor by combining a pseudo-linear inverse system of the permanent magnet synchronous motor and synthetical sliding mode control. First, the permanent magnet synchronous motor dimensionless nonlinear mathematical model is established, and its chaos is analyzed by the Lyapunov exponent method. The permanent magnet synchronous motor parameter range when chaos appears is obtained. Then, the inverse system decoupling method is used to analyze the reversibility of the permanent magnet synchronous motor system, and the permanent magnet synchronous motor inverse system is obtained, which is compounded with the original system into a pseudo-linear inverse system that consists of two independent subsystems, including a first-order d-axis current system and a second-order rotational speed system, to decouple the permanent magnet synchronous motor system. Third, the first-order d-axis subsystem is controlled by sliding mode control with a hyperbolic tangent function as the switching function, and the second-order speed subsystem is controlled by super-twisting sliding mode control with a hyperbolic tangent function as the switching function, which is called the synthetical sliding mode control. The permanent magnet synchronous motor pseudo-linear inverse system is controlled by using the synthetical sliding mode to realize the chaos control of the permanent magnet synchronous motor. Finally, three kinds of permanent magnet synchronous motor chaos control systems are established in MATLAB/Simulink software, and the experimental tests are implemented. The results show that the proposed permanent magnet synchronous motor chaos control system has good performance, which can effectively eliminate chattering in sliding mode control and control chaos in the permanent magnet synchronous motor system.

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