Journal
IEEE TRANSACTIONS ON CYBERNETICS
Volume 49, Issue 4, Pages 1148-1159Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCYB.2017.2789296
Keywords
Distributed H-infinity filtering; event-triggered communication scheme; sensor network; threshold-parameter-dependent approach
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Funding
- Australian Research Council Discovery Project [DP160103567]
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This paper is concerned with distributed event-triggered H-infinity consensus filtering for a discrete-time linear system over a sensor network. Different from some existing event-triggered communication schemes (ETCSs), a new distributed ETCS is first developed to reduce the communication frequency of neighboring sensors, where the threshold parameter in an event triggering condition is time-varying with attainable upper and lower bounds. Then a threshold-parameter-dependent approach is proposed to derive criteria for designing the desired H-infinity consensus filters and the ETCS such that the resultant filtering error system is asymptotically stable with the prescribed H-infinity performance while maintaining satisfactory resource efficiency. Furthermore, a polytope-like transformation with regard to time-varying threshold parameters is performed and a recursive algorithm is presented to determine the threshold-parameter-dependent filter matrix sequences and event triggering weighting matrix sequence. Two illustrative examples are employed to show the effectiveness of the developed approach.
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