Model reference adaptive control design for a shunt active-power-filter system

Kuo Kai Shyu, Ming Ji Yang, Yen Mo Chen, Yi Fei Lin

研究成果: 雜誌貢獻期刊論文同行評審

171 引文 斯高帕斯(Scopus)

摘要

In this paper, model reference adaptive control (MRAC) is proposed for a single-phase shunt active power filter (APF) to improve line power factor and to reduce line current harmonics. The proposed APF controller forces the supply current to be sinusoidal, with low current harmonics, and to be in phase with the line voltage. The advantages of using MRAC over conventional proportional-integral control are its flexibility, adaptability, and robustness; moreover, MRAC can self-tune the controller gains to assure system stability. Since the APF is a bilinear system, it is hard to design the controller. This paper will solve the stability problem when a linearization method is used to solve the nonlinearity of the system. Moreover, by using Lyapunov's stability theory and Barbalat's lemma, an adaptive law is designed to guarantee an asymptotic output tracking of the system. To verify the proposed APF system, a digital signal controller (dsPIC30F4012) is adopted to implement the algorithm of MRAC, and a 1-kVA laboratory prototype is built to test feasibility. Experimental results are provided to verify the performance of the proposed APF system.

原文???core.languages.en_GB???
頁(從 - 到)97-106
頁數10
期刊IEEE Transactions on Industrial Electronics
55
發行號1
DOIs
出版狀態已出版 - 1月 2008

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