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Learning Flexible Structured Linguistic Fuzzy Rules for Mamdani Fuzzy Systems
Mälardalen University, School of Innovation, Design and Engineering.ORCID iD: 0000-0001-9857-4317
2009 (English)In: 2009 IEEE INTERNATIONAL CONFERENCE ON FUZZY SYSTEMS, VOLS 1-3, 2009, 86-91 p.Conference paper, Published paper (Other academic)
Abstract [en]

One significant challenge in building fuzzy systems for complex problems is the "curse of dimensionality". For the sake of a reduced size of the knowledge base, some rules with incomplete premise structures covering larger areas of the input domain are often desirable. This paper presents a genetic algorithm based approach to searching for suitable antecedents of rules under which specific fuzzy consequences can be recommended. The rule premises are coded in a flexible way allowing for presence as well as absence of an input variable in them, in combination with a certain class of input and output fuzzy sets. On the other hand, a consistency index is introduced to give a numerical evaluation of the coherence among individual rules. This index is incorporated into the fitness function of the genetic algorithm to search for a set of optimal rule premises yielding not only good problem solving performances but also little conflict in the rule base. The effectiveness of our work is demonstrated through experiment results on controlling an inverted pendulum.

Place, publisher, year, edition, pages
2009. 86-91 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:mdh:diva-19993DOI: 10.1109/FUZZY.2009.5277239ISI: 000274242600016Scopus ID: 2-s2.0-71249129900ISBN: 978-1-4244-3596-8 (print)OAI: oai:DiVA.org:mdh-19993DiVA: diva2:635590
Conference
18th IEEE International Conference on Fuzzy Systems Location: Jeju Isl, SOUTH KOREA Date: AUG 20-24, 2009
Available from: 2013-07-04 Created: 2013-06-26 Last updated: 2013-12-03Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf