dynamic output-feedback passivity control for fuzzy systems under variable sampling

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ID: 188539
2013
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Abstract
This paper concerns the problem of dynamic output-feedback control for a class of nonlinear systems with nonuniform uncertain sampling via Takagi-Sugeno (T-S) fuzzy control approach. The sampling is not required to be periodic, and the state variables are not required to be measurable. A new type fuzzy dynamic output-feedback sampled-data controller is constructed, and a novel time-dependent Lyapunov-Krasovskii functional is chosen for fuzzy systems under variable sampling. By using Lyapunov stability theory, a sufficient condition for very-strict passive analysis of fuzzy systems with nonuniform uncertain sampling is derived. Based on this condition, a novel fuzzy dynamic output-feedback controller is designed such that the closed-loop system is very-strictly passive. The existence condition of the controller can be solved by convex optimization approach. Finally, a numerical example is provided to demonstrate the effectiveness of the proposed method.
Reference Key
li2013mathematicaldynamic Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Hongyi Li;Xingjian Sun;H. R. Karimi;Ben Niu
Journal journal of power sources
Year 2013
DOI
10.1155/2013/767093
URL
http://dx.doi.org/10.1155/2013/767093
Keywords
civil engineering (general)mathematics engineering (general)

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