Dynamic Modeling and Chaos Suppression of the Permanent Magnet Synchronous Motor Drive with Sliding Mode Control

Q4 Engineering Journal of Electrical and Electronics Engineering Pub Date : 2023-10-07 DOI:10.37256/jeee.2220233484

Mohammad Yousefzadeh, Hussein Eliasi, Morteza Jalilirad

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Abstract

The permanent magnet synchronous motor (PMSM) is mathematically modeled and simulated in this study using MATLAB. PMSM is a nonlinear, multi-variable and time-varying system and due to nonlinearities and its strong coupling between its variables, the dynamical behaviour of the PMSM is complex. Therefore, under specified parameters and conditions, chaotic undesirable phenomenon arise in the PMSM. For a chaotic PMSM drive system, this paper proposes a sliding mode control (SMC) approach based on the Lyapunov stability theory to control and suppress the chaotic motion emergence. Firstly, the dynamic characteristics of the state equations of the PMSM drive system is analysed and demonstrated that it will appear chaos phenomenon at some certain parameters. Finally, the SMC strategy and Lyapunov stability theory are combined to introduce a sliding surface and produce a control rule. Simulation results are presented to verify that the proposed strategy can be successfully employed to control a chaotic PMSM and make the system asymptotically stable to the equilibrium point.

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滑模控制永磁同步电机的动力学建模与混沌抑制

本文利用MATLAB对永磁同步电机进行了数学建模和仿真。永磁同步电机是一个非线性、多变量和时变系统，由于其非线性及其变量之间的强耦合，使得永磁同步电机的动力学行为非常复杂。因此，在一定的参数和条件下，永磁同步电机会出现混沌的不良现象。针对混沌永磁同步电机驱动系统，提出了一种基于李雅普诺夫稳定性理论的滑模控制方法来控制和抑制混沌运动的产生。首先，分析了永磁同步电动机驱动系统状态方程的动态特性，证明了在一定的参数下，永磁同步电动机驱动系统会出现混沌现象。最后，将滑模控制策略与Lyapunov稳定性理论相结合，引入滑动曲面并给出控制规则。仿真结果验证了所提出的策略能够成功地控制混沌永磁同步电机，并使系统渐近稳定于平衡点。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Electrical and Electronics Engineering Engineering-Electrical and Electronic Engineering

CiteScore

0.90

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0.00%

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审稿时长

16 weeks

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