矩阵变换器-永磁同步电机驱动系统滑模变结构控制

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Abstract A sliding mode variable structure current control (SMC) strategy is proposed for permanent magnet synchronous motor drives fed by matrix converters (MC-PMSM) to reduce the influence of grid voltage disturbances. A kind of disturbance is analyzed and its effects on output of matrix converter (MC) are derived. The decoupled model of PMSM is given, in which perturbation of input voltage and parameters of motor are considered. Based on the model, a SMC current controller is designed by using integral sliding mode surface and exponential approach law. Experimental results show that, the proposed strategy obtains reduced current and speed ripples under grid voltage disturbance without feed forward compensation which needs high precision voltage sensor. The structure of system is simple. Besides, it indicates global stability with easy tuning of controller parameters.

Key words： Matrix converter permanent magnet synchronous motor sliding mode variable structure control grid voltage disturbance

Received: 20 May 2010 Published: 04 March 2014

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TM34

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	Articles by authors
	Shi Tingna
	Liu Lizhi
	Wang Huimin
	Song Peng
	Xia Changliang

Cite this article:

Shi Tingna,Liu Lizhi,Wang Huimin等. Sliding Mode Variable Structure Control for Matrix Converter Fed Permanent Magnet Synchronous Motor Drive System[J]. Transactions of China Electrotechnical Society, 2010, 25(12): 54-60.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2010/V25/I12/54

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