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Passive Control of Switched Singular Systems via Output Feedback

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  • Shuhui Shi
  • Guoliang Wang
  • Jianhua Wang
  • Hong Li

Abstract

An instrumental matrix approach to design output feedback passive controller for switched singular systems is proposed in this paper. The nonlinear inequality condition including Lyapunov inverse matrix and controller gain matrix is decoupled by introducing additional instrumental matrix variable. Combined with multiple Lyapunov function method, the nonlinear inequality is transformed into linear matrix inequality (LMI). An LMI condition is presented for switched singular system to be stable and passive via static output feedback under designed switching signal. Moreover, the conditions proposed do not require the decomposition of Lyapunov matrix and its inverse matrix or fixing to a special structure. The theoretical results are verified by means of an example. The method introduced in the paper can be effectively extended to a single singular system and normal switched system.

Suggested Citation

  • Shuhui Shi & Guoliang Wang & Jianhua Wang & Hong Li, 2015. "Passive Control of Switched Singular Systems via Output Feedback," Mathematical Problems in Engineering, Hindawi, vol. 2015, pages 1-7, September.
    • Handle: RePEc:hin:jnlmpe:573950
    DOI: 10.1155/2015/573950
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