Journal
IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS
Volume 46, Issue 4, Pages 559-572Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSMC.2015.2435700
Keywords
Distributed H infinity filtering; sensor networks (SNs); Takagi-Sugeno (T-S) fuzzy systems; time-varying delays; unreliable communication links
Funding
- National Natural Science Foundation of China [61322301, 61329301]
- Fundamental Research Funds for the Central Universities, China [HIT.BRETIII.201211, HIT.BRETIV.201306]
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This paper is concerned with the distributed H infinity filtering problem for a class of discrete-time Takagi-Sugeno fuzzy systems with time-varying delays. The data communications among sensor nodes are equipped with redundant channels subject to random packet dropouts that are modeled by mutually independent Bernoulli stochastic processes. The practical phenomenon of the uncertain packet dropout rate is considered, and the norm-bounded uncertainty of the packet dropout rate is asymmetric to the nominal rate. Sufficient conditions on the existence of the desired distributed filters are established by employing the scaled small gain theorem to ensure that the closed-loop system is stochastically stable and achieves a prescribed average H infinity performance index. Finally, an illustrative example is provided to verify the theoretical findings.
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