Robust Observer Design for Takagi-Sugeno Fuzzy Systems with Mixed Neutral and Discrete Delays and Unknown Inputs

Robust Observer Design for Takagi-Sugeno Fuzzy Systems with Mixed Neutral and Discrete Delays and Unknown Inputs

A robust observer design is proposed for Takagi-Sugeno fuzzy neutral models with unknown inputs. The model consists of a mixed neutral and discrete delay, and the disturbances are imposed on both state and output signals. Delay-dependent sufficient conditions for the design of an unknown input T-S o...

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Main Authors: Hamid Reza Karimi, Mohammed Chadli
Format: Article
Language:English
Published: Hindawi Limited 2012-01-01
Series:Mathematical Problems in Engineering
Online Access:http://dx.doi.org/10.1155/2012/635709
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spelling doaj-d2676f320ea94addac2e0130aba2bcb52020-11-24T21:05:33ZengHindawi LimitedMathematical Problems in Engineering1024-123X1563-51472012-01-01201210.1155/2012/635709635709Robust Observer Design for Takagi-Sugeno Fuzzy Systems with Mixed Neutral and Discrete Delays and Unknown InputsHamid Reza Karimi0Mohammed Chadli1Department of Engineering, Faculty of Engineering and Science, University of Agder, 4898 Grimstad, NorwayLaboratory of Modeling, Information and Systems, University of Picardie Jules Verne, Amiens, FranceA robust observer design is proposed for Takagi-Sugeno fuzzy neutral models with unknown inputs. The model consists of a mixed neutral and discrete delay, and the disturbances are imposed on both state and output signals. Delay-dependent sufficient conditions for the design of an unknown input T-S observer with time delays are given in terms of linear matrix inequalities. Some relaxations are introduced by using intermediate variables. A numerical example is given to illustrate the effectiveness of the given results.http://dx.doi.org/10.1155/2012/635709
collection DOAJ
language English
format Article
sources DOAJ
author Hamid Reza Karimi
Mohammed Chadli
spellingShingle Hamid Reza Karimi
Mohammed Chadli
Robust Observer Design for Takagi-Sugeno Fuzzy Systems with Mixed Neutral and Discrete Delays and Unknown Inputs
Mathematical Problems in Engineering
author_facet Hamid Reza Karimi
Mohammed Chadli
author_sort Hamid Reza Karimi
title Robust Observer Design for Takagi-Sugeno Fuzzy Systems with Mixed Neutral and Discrete Delays and Unknown Inputs
title_short Robust Observer Design for Takagi-Sugeno Fuzzy Systems with Mixed Neutral and Discrete Delays and Unknown Inputs
title_full Robust Observer Design for Takagi-Sugeno Fuzzy Systems with Mixed Neutral and Discrete Delays and Unknown Inputs
title_fullStr Robust Observer Design for Takagi-Sugeno Fuzzy Systems with Mixed Neutral and Discrete Delays and Unknown Inputs
title_full_unstemmed Robust Observer Design for Takagi-Sugeno Fuzzy Systems with Mixed Neutral and Discrete Delays and Unknown Inputs
title_sort robust observer design for takagi-sugeno fuzzy systems with mixed neutral and discrete delays and unknown inputs
publisher Hindawi Limited
series Mathematical Problems in Engineering
issn 1024-123X
1563-5147
publishDate 2012-01-01
description A robust observer design is proposed for Takagi-Sugeno fuzzy neutral models with unknown inputs. The model consists of a mixed neutral and discrete delay, and the disturbances are imposed on both state and output signals. Delay-dependent sufficient conditions for the design of an unknown input T-S observer with time delays are given in terms of linear matrix inequalities. Some relaxations are introduced by using intermediate variables. A numerical example is given to illustrate the effectiveness of the given results.
url http://dx.doi.org/10.1155/2012/635709
work_keys_str_mv AT hamidrezakarimi robustobserverdesignfortakagisugenofuzzysystemswithmixedneutralanddiscretedelaysandunknowninputs
AT mohammedchadli robustobserverdesignfortakagisugenofuzzysystemswithmixedneutralanddiscretedelaysandunknowninputs
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