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《Natural Science Journal of Xiangtan University》 2007-04
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Study on Closed-Control for Two-stage Matrix Converter Based on Modified Repetitive Controller

DENG Wen-lang, ZHU Jian-lin,YI Ling-zhi(Institute of Information and Engineering,Xiangtan University,Xiangtan 411105 China)  
Closed-loop control is a reasonable method to ensure the performance of output voltage of Two-stage Matrix Converter(TSMC) by restraining multi disturbances.In order to overcome the shortcoming of PI controller in harmonics control,the repetitive control and PI control are combined and used in the closed-loop control of TSMC;The problem of conventional repetitive controller is pointed out and a modified repetitive control method is proposed: To avoid the influence of no-periodical disturbance on the control action of repetitive controller,the error caused by no-periodical disturbance is identified and discarded.Simulation results show good dynamic and steady performance of the proposed method and verified it's feasibility.
【Fund】: 湖南省教育厅资助项目(05C088)
【CateGory Index】: TM571
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