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Journal of Information Science and Engineering, Vol. 21 No. 6, pp. 1139-1156 (November 2005)

Fuzzy Hystersis Control and Parameter Optimimzation of a Shunt Active Power Filter

B. Mazari and F. Mekri
Electrical Engineering Department
University of Sciences and Technology of Oran Mohamed-Boudiaf
BP 1505 El Mnaouer Oran-Algeria
E-mail: {mazari_dz; mekri_dz}

This paper presents the optimization of shunt active power filter parameters based on fuzzy logic control. The current active filter control is based on constant, fuzzy hysteresis band techniques, which are employed to derive the switching signals and also to choose the optimal value of the decoupling inductance. The DC voltage controller optimizes the energy storage of the DC capacitor, where proportional integral and fuzzy logic controllers are employed. Simulation results, obtaining using MATLAB/SIMULINK under several loads configurations, are presented and discussed. They show the effectiveness of fuzzy logic controllers in optimizing the PWM technique and the values of the passive parameters of the active filter.

Keywords: active power filter (APF), fuzzy logic control, optimization, harmonics, PWM techniques

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Received January 2, 2004; revised March 17, 2004; accepted May 6, 2004.
Communicated by Chuen-Tsai Sun.
* This article was presented at the 36th University°¶s Power Engineering Conference UPEC 2001, 12-14 September 2001, Swansea, U.K.