Necessary and sufficient Lyapunov-like conditions for robust nonlinear stabilization

Iasson Karafyllis, Zhong Ping Jiang

Research output: Contribution to journalArticle

Abstract

In this work, we propose a methodology for the expression of necessary and sufficient Lyapunov-like conditions for the existence of stabilizing feedback laws. The methodology is an extension of the well-known Control Lyapunov Function (CLF) method and can be applied to very general nonlinear time-varying systems with disturbance and control inputs, including both finite and infinite-dimensional systems. The generality of the proposed methodology is also reflected upon by the fact that partial stability with respect to output variables is addressed. In addition, it is shown that the generalized CLF method can lead to a novel tool for the explicit design of robust nonlinear controllers for a class of time-delay nonlinear systems with a triangular structure.

Original languageEnglish (US)
Pages (from-to)887-928
Number of pages42
JournalESAIM - Control, Optimisation and Calculus of Variations
Volume16
Issue number4
DOIs
StatePublished - Oct 1 2010

Keywords

  • Control Lyapunov Function
  • Nonlinear control
  • Stabilization
  • Time-varying systems

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Control and Optimization
  • Computational Mathematics

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