Adaptive Hysteresis Active Power Filter using Fuzzy-Logic Controller for Nonlinear Systems

Lshrief, Yasser A. E; Atlam, Galal A.; Abozalalm, Belal A.

doi:10.21608/mjeer.2017.63429

Adaptive Hysteresis Active Power Filter using Fuzzy-Logic Controller for Nonlinear Systems

Document Type : Original Article

Authors

Dept. of Industrial Electronics and Automatic Control Engineering, Faculty of Electronic Engineering, Menoufia University

10.21608/mjeer.2017.63429

Abstract

The widespread use of nonlinear loads is the main reason of lower efficiency, poor power factor, Harmonic distortion problems appear in the AC systems. In this paper, TakagiSugeno (TS) Fuzzy Logic Controller (FLC) is applied to a threephase Shunt Active Power Filter (SAPF) for improving the performance of the non linear systems. The main advantage that makes the FLCs distinguish over the other conventional controllers like Proportional Integral (PI) controller is that it does not need any mathematical model of the system. In this paper, the FLC controller is mainly used to maintain the dc-side capacitor voltage of the Voltage Source Inverter (VSI) nearly constant. Furthermore, in this paper, the adaptive hysteresis current controller (AHCC) is applied as a pulse widthmodulation (PWM) technique for switching signal generation. Simulation and experimental results are performed using MATLAB/SIMULINK, showing that the TS-FLC introduces a better dynamic behavior than the conventional (PI) controller as it has a strong robustness to the load changes and other parameters of the system.

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