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Iterative-type Evaluation of PSGS Fuzzy Systems for Anytime Use

TitleIterative-type Evaluation of PSGS Fuzzy Systems for Anytime Use
Publication TypeJournal Article
Year of Publication2005
AuthorsTakács, O., and A. Várkonyi-Kóczy
JournalIEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
Volume54
Issue1
Pagination391 - 397
Date Published2005
Publication Languageeng
Abstract

While fuzzy systems can advantageously be used in system modeling and control, their use in time-critical applications is limited because of complexity problems, especially in cases when not only low, but also flexibly changeable complexity is needed. Previously, a method has been proposed to use fuzzy and other soft-computational tools in the frame of modular anytime architectures; however, the applicability needs the a priori knowledge of the temporarily available time and resources. This paper proposes a new transformation method, which makes possible the iterative-type evaluation of product-sum-gravity-singleton (PSGS) fuzzy systems, with a really flexibly changeable complexity, and with an easily estimable error at any step of the evaluation. Moreover, the transformation also ensures the fastest possible decrease of the error.