Design of Stabilizers and Observers for a Class of Multivariable T-S Fuzzy Models on the Basis of New Interpolation Functions

Jesus Alberto Meda-Campana, Araceli Grande-Meza, Jose De Jesus Rubio, Ricardo Tapia-Herrera, Tonatiuh Hernandez-Cortes, Airam V. Curtidor-Lopez, Luis Alberto Paramo-Carranza, Irving Omar Cazares-Ramirez

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

An approach to design stabilizers and observers for a class of multiple-input multiple-output (MIMO) Takagi-Sugeno (T-S) fuzzy models is developed on the basis of local gains and the searching for a set of interpolation functions capable of properly combining the aforementioned local gains. As expected, the existence of such interpolation functions depends on the controllability and observability properties of the overall multivariable T-S fuzzy model. For that reason, practical controllability and observability tests are also proposed for MIMO T-S fuzzy systems. Some numerical simulations are used in order to validate the efficacy of the method. Besides, the results are compared with an approach based on linear matrix inequalities, namely parallel distributed compensation.

Original languageEnglish
Article number8234691
Pages (from-to)2649-2662
Number of pages14
JournalIEEE Transactions on Fuzzy Systems
Volume26
Issue number5
DOIs
StatePublished - Oct 2018

Keywords

  • Fuzzy controllability
  • Takagi-Sugeno (T-S) fuzzy models
  • fuzzy observability
  • fuzzy observer
  • fuzzy stabilizer
  • multivariable systems

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