基于预测控制与H∞控制的有源<br/>电力滤波器设计

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Abstract In order to analyze the active power filter (APF) system more accurately,a time-delay uncertainty model for APF is designed with the consideration of time-delay,parameter perturbation,and dead band.According to the model,the time-delay H∞ robust control strategy is applied.It shows that the system robust stability and the interference suppression performance is contradictory which affects the compensation effect of the APF.So the predictive control is embedded to get the uncertainty new model of APF without time-delay and the controller is designed by H∞ control strategy to ensure the stability of the whole system.Then,a compound control strategy containing the proportion-integral (PI) control strategy and the repetitive control strategy is used to eliminate the effects of parameter perturbation which causes periodic state variables’ disturbance.Finally,Matlab simulation and physical experiments are carried out to verify the effectiveness and the correctness of the proposed method of this paper.

Key words： Active power filter time-delay system predictive control H∞ control repetitive control

Received: 18 January 2015 Published: 25 February 2016

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TM712

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	Ma Xing
	Liu Huijin
	Cui Xue Guo
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Ma Xing,Liu Huijin,Cui Xue Guo等. Active Power Filter Design Based on Predictive Control and H∞ Control[J]. Transactions of China Electrotechnical Society, 2016, 31(3): 50-57.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I3/50

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