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Adaptive Output Feedback Sliding Mode Control for Complex Interconnected Time-Delay Systems

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  • Van Van Huynh
  • Yao-Wen Tsai
  • Phan Van Duc

Abstract

We extend the decentralized output feedback sliding mode control (SMC) scheme to stabilize a class of complex interconnected time-delay systems. First, sufficient conditions in terms of linear matrix inequalities are derived such that the equivalent reduced-order system in the sliding mode is asymptotically stable. Second, based on a new lemma, a decentralized adaptive sliding mode controller is designed to guarantee the finite time reachability of the system states by using output feedback only. The advantage of the proposed method is that two major assumptions, which are required in most existing SMC approaches, are both released. These assumptions are (1) disturbances are bounded by a known function of outputs and (2) the sliding matrix satisfies a matrix equation that guarantees the sliding mode. Finally, a numerical example is used to demonstrate the efficacy of the method.

Suggested Citation

  • Van Van Huynh & Yao-Wen Tsai & Phan Van Duc, 2015. "Adaptive Output Feedback Sliding Mode Control for Complex Interconnected Time-Delay Systems," Mathematical Problems in Engineering, Hindawi, vol. 2015, pages 1-15, July.
    • Handle: RePEc:hin:jnlmpe:239584
    DOI: 10.1155/2015/239584
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