Exponential H∞ filtering of networked linear switched systems with mode-dependent average dwell time: an event-triggered scheme

Guangdeng Zong, Dandan Duan and Dong Yang

International Journal of Systems Science, 2019, vol. 50, issue 7, 1450-1464

Abstract: In this paper, the event-triggered exponential $H_{\infty } $H∞ filtering problem is addressed for a class of networked linear switched systems via mode-dependent average dwell time (MDADT) technique. An event-triggered communication mechanism is designed to enhance the resource utilisation in transmission and save the communication cost of systems as well. Then, the filtering error system is reconstructed as a switched time-delay system with bounded disturbance by virtue of the input delay system approach. By applying the mode-dependent Lyapunov functional approach, some interesting results with MDADT technique are derived to ensure the exponential stability and a prescribed $H_{\infty } $H∞ disturbance rejection level. Further, some sufficient conditions for switched systems with average dwell time (ADT) are also presented as byproduct. An event-triggered exponential $H_{\infty } $H∞ filter is presented by solving some convex optimisation problems. The efficiency of the presented results is verified through a numerical example and a PWM-driven boost converter systems.

Date: 2019
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DOI: 10.1080/00207721.2019.1616126

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