Adaptive fuzzy-Chebyshev network control of a conducting polymer actuator

BEYHAN S., İTİK M.

Journal of Intelligent Material Systems and Structures, cilt.27, sa.8, ss.1019-1029, 2016 (SCI-Expanded) identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 27 Sayı: 8
  • Basım Tarihi: 2016
  • Doi Numarası: 10.1177/1045389x15577660
  • Dergi Adı: Journal of Intelligent Material Systems and Structures
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.1019-1029
  • Anahtar Kelimeler: conducting polymer actuator, fuzzy-Chebyshev network, Indirect adaptive control, real-time control, stability
  • Yıldız Teknik Üniversitesi Adresli: Hayır

Özet

In this paper, the tip displacement of a conducting polymer actuator (CPA), which has an unknown and time-varying dynamics, is controlled using three different model-free adaptive controllers. First, conventional indirect adaptive fuzzy and Chebyshev functional-link network controllers are introduced. Second, a novel hybrid network which combines the capability of conventional fuzzy system and Chebyshev functional-link network is proposed for online identification and control of the CPA. The stability of the proposed controllers and boundedness of the closed-loop signals are proven using Lyapunov stability approach. The designed adaptive controllers are implemented experimentally in real-time. The performances of the controllers in tracking a square and a sine reference are compared in terms of root-mean-squared error (RMSE), required input signal power (ICVP) and settling time (ts) performances.