Abstract
The issues of event-triggered exponential L1 filtering are studied for a class of networked linear switched systems. An event-triggered mechanism is proposed to enhance resource utilization in transmission, and save the communication cost of systems as well. Then, the filtering error system is reconstructed as a switched delay system with bounded disturbance through the input delay system approach. By resorting to the Lyapunov-Krasovskii functional approach and the average dwell time (ADT) technique, some interesting results are derived to guarantee the exponential stability with a prescribed L1 disturbance rejection level. Further, an event-triggered exponential L1 filter is designed via solving a set of feasible linear matrix inequalities (LMIs). Finally, the efficiency of the proposed results is verified through a numerical example and a PWM-driven boost converter circuit system.
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This research was supported in part by the National Natural Science Foundation of China under Grant Nos. 61773225, 61773236, 61873331, 61803225, and in part by the Taishan Scholar Project of Shandong Province under Grant No. TSQN20161033.
This paper was recommended for publication by Editor FENG Gang.
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Duan, D., Zong, G. Exponential L1 Filtering of Networked Linear Switched Systems: An Event-Triggered Approach. J Syst Sci Complex 33, 383–400 (2020). https://doi.org/10.1007/s11424-019-8190-4
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DOI: https://doi.org/10.1007/s11424-019-8190-4