Journal
SIGNAL PROCESSING
Volume 138, Issue -, Pages 138-145Publisher
ELSEVIER
DOI: 10.1016/j.sigpro.2017.03.004
Keywords
Finite-horizon H-infinity filtering; Switched time-varying systems; Stochastic disturbances; Random sensor nonlinearities; Successive packet dropouts
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Funding
- Royal Society of the UK
- Research Fund for the Taishan Scholar Project of Shandong Province of China
- National Natural Science Foundation of China [61304061, 61329301, 61573130]
- Science and Technology Innovation Talents Project of Henan Province [164100510004]
- Alexander von Humboldt Foundation of Germany
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This paper is concerned with the finite-horizon H-infinity filtering problem for a class of switched time-varying systems with state-dependent stochastic disturbances. The system outputs are subject to randomly occurring sensor nonlinearities and successive packet dropouts. Attention is focused on the design of a mode-dependent asynchronous time-varying filter such that the prescribed weighted H-infinity, performance requirement can be achieved under the average dwell-time switching. By utilizing the piecewise function approach and stochastic analysis technique, sufficient conditions are first established to ensure the existence of the desired finite-horizon asynchronous Ho, filter. Then, the explicit characterization of the filter gains is presented in terms of the solutions to certain recursive linear matrix inequalities. Finally, the effectiveness of the proposed filtering scheme is illustrated via a simulation example. (C) 2017 Elsevier B.V. All rights reserved.
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