Optimal Robust Adaptive Fuzzy H∞ Tracking Control without Reaching Phase for Nonlinear System

An optimal H∞ tracking-based indirect adaptive fuzzy controller for a class of perturbed uncertain affine nonlinear systems without reaching phase is being developed in this paper. First a practical Interval Type-2 (IT2) fuzzy system is used in an adaptive scheme to approximate the system using a no...

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Main Authors: El Mehdi Mellouli, Siham Massou, Ismail Boumhidi
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:Journal of Control Science and Engineering
Online Access:http://dx.doi.org/10.1155/2013/498461
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author El Mehdi Mellouli
Siham Massou
Ismail Boumhidi
author_facet El Mehdi Mellouli
Siham Massou
Ismail Boumhidi
author_sort El Mehdi Mellouli
collection DOAJ
description An optimal H∞ tracking-based indirect adaptive fuzzy controller for a class of perturbed uncertain affine nonlinear systems without reaching phase is being developed in this paper. First a practical Interval Type-2 (IT2) fuzzy system is used in an adaptive scheme to approximate the system using a nonlinear model and to determine the optimal value of the H∞ gain control. Secondly, to eliminate the trade-off between H∞ tracking performance and high gain at the control input, a modified output tracking error has been used. The stability is ensured through Lyapunov synthesis and the effectiveness of the proposed method is proved and the simulation is also given to illustrate the superiority of the proposed approach.
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spelling doaj-art-5ca44eaaf8c84ae38b83f8d0a86f0bb12025-02-03T05:51:31ZengWileyJournal of Control Science and Engineering1687-52491687-52572013-01-01201310.1155/2013/498461498461Optimal Robust Adaptive Fuzzy H∞ Tracking Control without Reaching Phase for Nonlinear SystemEl Mehdi Mellouli0Siham Massou1Ismail Boumhidi2LESSI Laboratory, Department of Physics, Faculty of Sciences Dhar El Mehraz, B.P 1796, FES-Atlas 30000, MoroccoLESSI Laboratory, Department of Physics, Faculty of Sciences Dhar El Mehraz, B.P 1796, FES-Atlas 30000, MoroccoLESSI Laboratory, Department of Physics, Faculty of Sciences Dhar El Mehraz, B.P 1796, FES-Atlas 30000, MoroccoAn optimal H∞ tracking-based indirect adaptive fuzzy controller for a class of perturbed uncertain affine nonlinear systems without reaching phase is being developed in this paper. First a practical Interval Type-2 (IT2) fuzzy system is used in an adaptive scheme to approximate the system using a nonlinear model and to determine the optimal value of the H∞ gain control. Secondly, to eliminate the trade-off between H∞ tracking performance and high gain at the control input, a modified output tracking error has been used. The stability is ensured through Lyapunov synthesis and the effectiveness of the proposed method is proved and the simulation is also given to illustrate the superiority of the proposed approach.http://dx.doi.org/10.1155/2013/498461
spellingShingle El Mehdi Mellouli
Siham Massou
Ismail Boumhidi
Optimal Robust Adaptive Fuzzy H∞ Tracking Control without Reaching Phase for Nonlinear System
Journal of Control Science and Engineering
title Optimal Robust Adaptive Fuzzy H∞ Tracking Control without Reaching Phase for Nonlinear System
title_full Optimal Robust Adaptive Fuzzy H∞ Tracking Control without Reaching Phase for Nonlinear System
title_fullStr Optimal Robust Adaptive Fuzzy H∞ Tracking Control without Reaching Phase for Nonlinear System
title_full_unstemmed Optimal Robust Adaptive Fuzzy H∞ Tracking Control without Reaching Phase for Nonlinear System
title_short Optimal Robust Adaptive Fuzzy H∞ Tracking Control without Reaching Phase for Nonlinear System
title_sort optimal robust adaptive fuzzy h∞ tracking control without reaching phase for nonlinear system
url http://dx.doi.org/10.1155/2013/498461
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AT sihammassou optimalrobustadaptivefuzzyhtrackingcontrolwithoutreachingphasefornonlinearsystem
AT ismailboumhidi optimalrobustadaptivefuzzyhtrackingcontrolwithoutreachingphasefornonlinearsystem