Journal
SYSTEMS & CONTROL LETTERS
Volume 103, Issue -, Pages 38-44Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.sysconle.2017.02.011
Keywords
Nonlinear systems; Event-triggered transmission; Quantization; Recursive Riccati equations
Funding
- National Natural Science Foundation of China (NSFC) [61490701, 61290324, 61210012]
- China Postdoctoral Science Foundation [2016M600546]
- Qingdao Postdoctoral Applied Research Projects [2016112]
- Research Fund for the Taishan Scholar Project of Shandong Province of China [LZB2015-162]
- NSFC [61273156, 61473163, 61522309]
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This paper is concerned with the finite-horizon quantized H-infinity filter design problem for a class of time varying systems with quantization effects and event-triggered measurement transmissions. A componentwise event-triggered transmission strategy is put forward to reduce the unnecessary communication burden for the purpose of energy efficiency. The transmitted measurements triggered according to prespecified events are quantized by a logarithmic quantizer. Special attention is paid to the design of the filter such that a prescribed H-infinity performance can be guaranteed over a given finite horizon in the presence of nonlinearities, quantization effects and event-triggered transmissions. Two sets of Riccati difference equations are introduced to ensure the H-infinity estimation performance of the designed filter. The filter design algorithm is recursive and thus suitable for online computation. A simulation example is illustrated to show the effectiveness of the proposed algorithm applied to the fault detection problem. (C) 2017 Elsevier B.V. All rights reserved.
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