Control of chaos in permanent magnet synchronous motor drive system via smooth second order sliding mode

Abstract

Abstract: This paper presents a sliding mode control strategy for chaos system in Permanent Magnet Synchronous Motor（PMSM） drive system. The sliding manifolds are constructed using Lyapunov functions and are attained in finite time. A controller is established, based on smooth second order sliding mode control, so that there is no chattering in the states of the system. Meantime the control input is a smooth signal. The simulation results demonstrate the effectiveness of the controller.

Key words: chaos control, sliding mode control, smooth second order sliding mode

摘要： 提出基于二阶滑模的控制方法控制永磁同步电动机（PMSM）中的混沌现象。利用Lyapunov函数构造了一种新的滑模面，能保证在滑模面上系统状态在有限时间内稳定到原点。控制器的设计采用了光滑二阶滑模方法，控制输入为光滑的函数，能有效消除抖振现象。仿真的结果也验证了控制方法的有效性。

关键词: 混沌控制, 滑模控制, 光滑二阶滑模控制

LIU Heng. Control of chaos in permanent magnet synchronous motor drive system via smooth second order sliding mode[J]. Computer Engineering and Applications, 2012, 48(21): 222-224.

刘恒. 永磁同步电动机混沌系统光滑二阶滑模控制[J]. 计算机工程与应用, 2012, 48(21): 222-224.

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Control of chaos in permanent magnet synchronous motor drive system via smooth second order sliding mode

永磁同步电动机混沌系统光滑二阶滑模控制

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