SDRE-based near optimal nonlinear controller design for unified chaotic systems

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Abstract

This paper proposes a near optimal controller design method for unified chaotic systems based on state-dependent Riccati equation (SDRE) approach. A parameterization of the optimal nonlinear control gain is given in terms of the solution matrix of an SDRE. A simple algorithm to compute the near optimal control gain is proposed. The proposed near optimal control design method is also extended to the synchronization problem for unified chaotic systems. Finally, the effectiveness of the proposed design method is verified via numerical simulations.

Original languageEnglish
Pages (from-to)2063-2070
Number of pages8
JournalNonlinear Dynamics
Volume70
Issue number3
DOIs
StatePublished - Nov 2012

Keywords

  • Chaos
  • Nonlinear system
  • Optimal control
  • State-dependent Riccati equation (SDRE)
  • Synchronization
  • Unified chaotic system

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