Granular interval type-2 membership functions and modeling application on a nonlinear system

Cenk Ulu*, Müjde Güzelkaya, Ibrahim Eksin

*Bu çalışma için yazışmadan sorumlu yazar

Araştırma sonucu: ???type-name???Konferans katkısıbilirkişi

3 Atıf (Scopus)

Özet

There are various ways to interpret uncertainty on membership functions of interval type-2 fuzzy sets. In this study, Granular Interval Type-2 Membership Functions (GIT2 MFs) are introduced. The footprint of uncertainty of GIT2 MFs is formed by using rectangular interval type-2 fuzzy granules. GIT2 MFs provide more degrees of freedom and flexibility in design procedure of interval type-2 membership functions. Therefore, interval type-2 fuzzy logic systems using GIT2 MFs have more potential to model and handle uncertainties. By using GIT2 MFs, uncertainties on the grades of membership functions can be represented independently for any region in the universe of discourse. Thus, it provides the designer to form highly nonlinear, discontinuous or hybrid membership functions which are formed as a combination of type-1 and type-2 characteristics. This makes it possible to model any desired discontinuity and nonlinearity on the universe of discourse or in any input-output mapping. The effectiveness of the proposed GIT2 MFs is demonstrated through simulations on modeling a nonlinear system having dead zone. The simulation results show that the fuzzy system using proposed GIT2 MFs is superior to the fuzzy system using conventional interval type-2 membership functions.

Orijinal dilİngilizce
Ana bilgisayar yayını başlığı12th IEEE International Symposium on Computational Intelligence and Informatics, CINTI 2011 - Proceedings
Sayfalar397-402
Sayfa sayısı6
DOI'lar
Yayın durumuYayınlandı - 2011
Etkinlik12th IEEE International Symposium on Computational Intelligence and Informatics, CINTI 2011 - Budapest, Hungary
Süre: 21 Kas 201122 Kas 2011

Yayın serisi

Adı12th IEEE International Symposium on Computational Intelligence and Informatics, CINTI 2011 - Proceedings

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???event.eventtypes.event.conference???12th IEEE International Symposium on Computational Intelligence and Informatics, CINTI 2011
Ülke/BölgeHungary
ŞehirBudapest
Periyot21/11/1122/11/11

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