Journal
SIGNAL PROCESSING
Volume 141, Issue -, Pages 343-349Publisher
ELSEVIER
DOI: 10.1016/j.sigpro.2017.06.029
Keywords
Switched system; Event-trigger; H infinity filtering
Categories
Funding
- National Natural Science Foundation of China [61374061, 61403216, 61573201]
- Six Talent Peaks Project of Jiangsu [DZXX-044]
- 226 High Level Talent Project of Nantong
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This paper considers the event-triggered H infinity filtering problem for continuous-time switched linear systems. It is assumed that only the information of system output and switching signal is available to the filter at each event-triggered sampling instant. Based on a mode dependent event-triggered sampling scheme, the filtering error system is modeled as a switched system with augmented switching signal. Then, by the average dwell time technique and multiple Lyapunov function method, a new sufficient condition is obtained such that the filtering error system is exponentially asymptotically stable and satisfies the weighted H infinity performance. The design method for the filter and event-triggered parameters is formulated by solving a set of linear matrix inequalities. Finally, the effectiveness of the proposed approach is illustrated by two numerical examples. (C) 2017 Elsevier B.V. All rights reserved.
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