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Open AccessArticle

Adaptive Backstepping Fractional Fuzzy Sliding Mode Control of Active Power Filter

Jiangsu Key Laboratory of Power Transmission and Distribution Equipment Technology, College of IoT Engineering, Hohai University, Changzhou 213022, China
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Appl. Sci. 2019, 9(16), 3383; https://doi.org/10.3390/app9163383
Received: 23 July 2019 / Revised: 9 August 2019 / Accepted: 13 August 2019 / Published: 16 August 2019
(This article belongs to the Special Issue Control and Soft Computing)
An adaptive fractional-order fuzzy control method for a three-phase active power filter (APF) using a backstepping and sliding mode controller is developed for the purpose of compensating harmonic current and stabilizing the DC voltage quickly. The dynamic model of APF is changed to an analogical cascade system for the convenience of the backstepping strategy. Then a fractional-order sliding mode surface is designed and a fuzzy controller is proposed to approximate the unknown term in the controller, where parameters can be adjusted online. The simulation experiments are conducted and investigated using MATLAB/SIMULINK software package to verify the advantage of the proposed controller. Furthermore, the comparison study between the fractional-order controller and integer-order one is also conducted in order to demonstrate the better performance of the proposed controller in total harmonic distortion (THD), a significant index to evaluate the current quality in the smart grid. View Full-Text
Keywords: active power filter; fractional sliding mode control; backstepping strategy active power filter; fractional sliding mode control; backstepping strategy
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Fei, J.; Wang, H.; Cao, D. Adaptive Backstepping Fractional Fuzzy Sliding Mode Control of Active Power Filter. Appl. Sci. 2019, 9, 3383.

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