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A Comparative Study of two Approaches for Data-Driven Design of Evolving Fuzzy Systems: eTS and FLEXFIS

Angelov, Plamen and Lughofer, Edwin (2008) A Comparative Study of two Approaches for Data-Driven Design of Evolving Fuzzy Systems: eTS and FLEXFIS. International Journal of General Systems, 37 (1). pp. 45-67. ISSN 0308-1079

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Abstract

In this paper, two approaches for the incremental data-driven learning of one of the most effective fuzzy model, namely of so-called Takagi-Sugeno type, are compared. The algorithms that realize these approaches include not only adaptation of linear parameters in fuzzy systems appearing in the rule consequents, but also incremental learning and evolution of premise parameters appearing in the membership functions (i.e. fuzzy sets) in sample mode together with a rule learning strategy. In this sense the proposed methods are applicable for fast model training tasks in various industrial processes, whenever there is a demand of online system identification in order to apply models representing nonlinear system behaviors to system monitoring, online fault detection or open-loop control. An evaluation of the incremental learning algorithms are included at the end of the paper, where a comparison between conventional batch modelling methods for fuzzy systems and the incremental learning methods demonstrated in this paper is made with respect to model qualities and computation time. This evaluation is based on high dimensional data coming from an industrial measuring process as well as from a known source on the Internet, which underlines the usage of the new method for fast online identification tasks. (c) Taylor and Fransis Group (to appear in International Journal on General Systems)

Item Type: Article
Journal or Publication Title: International Journal of General Systems
Additional Information: The final, definitive version of this article has been published in the Journal, International Journal of General Systems, 37 (1), 2008, © Informa Plc
Uncontrolled Keywords: DCS-publications-id ; art-871 ; DCS-publications-credits ; coding-fa ; DCS-publications-personnel-id ; 82
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Departments: Faculty of Science and Technology > School of Computing & Communications
ID Code: 837
Deposited By: Dr. Plamen Angelov
Deposited On: 11 Jan 2008 10:10
Refereed?: Yes
Published?: Published
Last Modified: 23 Oct 2017 01:50
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/837

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