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Decentralised output-feedback control design for switched fuzzy large-scale systems

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  • Tiechao Wang
  • Shaocheng Tong

Abstract

This paper investigates the output-feedback control design problem for a class of switched Takagi–Sugeno fuzzy large-scale systems with non-measurable premise variables. The considered fuzzy large-scale systems consist of several interconnected subsystems with different switching modes and there exists the asynchronous switching between the system switching modes and the controller switching modes. A decentralised state observer is proposed to estimate the unmeasured states, and a new output-feedback decentralised control scheme is developed by using the state observers and the switching functions. Based on the theory of Lyapunov stability and average dwell-time methods, the sufficient conditions of ensuring the switched control system stability are proposed and proved, which are formulated in the form of linear matrix inequalities. An applicable example is provided to show the effectiveness of the obtained theoretical results.

Suggested Citation

  • Tiechao Wang & Shaocheng Tong, 2017. "Decentralised output-feedback control design for switched fuzzy large-scale systems," International Journal of Systems Science, Taylor & Francis Journals, vol. 48(1), pages 171-181, January.
    • Handle: RePEc:taf:tsysxx:v:48:y:2017:i:1:p:171-181
    DOI: 10.1080/00207721.2016.1165897
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