Design of variable structure control for fuzzy nonlinear systems

Tai Zu Wu, Yau Tarng Juang

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


In this paper, the variable structure control problem is presented for Takagi-Sugeno fuzzy systems with uncertainties and external disturbances. The sliding surfaces for the T-S fuzzy system are proposed by using a Lyapunov function and a fuzzy Lyapunov function, respectively. And we design the variable structure controllers such that the global T-S fuzzy system confined on the sliding surfaces is asymptotically stable. Two examples are given to illustrate the effectiveness of our proposed methods.

Original languageEnglish
Pages (from-to)1496-1503
Number of pages8
JournalExpert Systems with Applications
Issue number3
StatePublished - Oct 2008


  • Fuzzy system
  • Linear matrix inequality (LMIs)
  • Nonlinear system
  • Sliding mode control
  • Variable structure control


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