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New fuzzy wavelet network for modeling and control:The modeling approach
School of Electrical and Computer Engineering, Shiraz University, Shiraz, Iran.ORCID iD: 0000-0003-0283-5717
2011 (English)In: Communications in Nonlinear Science and Numerical Simulation, ISSN 1007-5704, Vol. 16, no 8, 3385-3396 p.Article in journal (Refereed) Published
Abstract [en]

n this paper, a fuzzy wavelet network is proposed to approximate arbitrary nonlinear functions based on the theory of multiresolution analysis (MRA) of wavelet transform and fuzzy concepts. The presented network combines TSK fuzzy models with wavelet transform and ROLS learning algorithm while still preserve the property of linearity in parameters. In order to reduce the number of fuzzy rules, fuzzy clustering is invoked. In the clustering algorithm, those wavelets that are closer to each other in the sense of the Euclidean norm are placed in a group and are used in the consequent part of a fuzzy rule. Antecedent parts of the rules are Gaussian membership functions. Determination of the deviation parameter is performed with the help of gold partition method. Here, mean of each function is derived by averaging center of all wavelets that are related to that particular rule. The overall developed fuzzy wavelet network is called fuzzy wave-net and simulation results show superior performance over previous networks.The present work is complemented by a second part which focuses on the control aspects and to be published in this journal([17]). This paper proposes an observer based self-structuring robust adaptive fuzzy wave-net (FWN) controller for a class of nonlinear uncertain multi-input multi-output systems.

Place, publisher, year, edition, pages
2011. Vol. 16, no 8, 3385-3396 p.
National Category
Control Engineering
URN: urn:nbn:se:kth:diva-178177DOI: 10.1016/j.cnsns.2010.12.011ISI: 000289601700044ScopusID: 2-s2.0-79952533260OAI: diva2:877697

QC 20151214

Available from: 2015-12-07 Created: 2015-12-07 Last updated: 2015-12-14Bibliographically approved

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Ebadat, Afrooz
Control Engineering

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