Guaranteed cost event-triggered H∞ control of uncertain linear system via output disturbance observer

Tao Huang, Yiyu Shao, Liwei Li, Yajuan Liu and Mouquan Shen

Applied Mathematics and Computation, 2024, vol. 473, issue C

Abstract: This paper is concerned with anti-disturbance output feedback control of uncertain systems via dynamic guaranteed cost triggering mechanism. An output disturbance observer is constructed to attenuate matched disturbances and the mismatched one is attenuated by the H∞ approach. A new dynamic event-triggered mechanism is established in terms of guaranteed cost triggering condition and triggering threshold. A composite controller is built on an observer based state feedback controller and an output disturbance compensator. By employing the Lyapunov stability method, a sufficient condition is presented in the framework of linear matrix inequality to ensure the asymptotic stability of the closed-loop system with the prescribed cost. Comparative simulation studies are supplied to verify the effectiveness of the proposed composite control scheme.

Keywords: Event-triggered control; Disturbance observer; Output feedback control; Robust control (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:473:y:2024:i:c:s0096300324001243

DOI: 10.1016/j.amc.2024.128652

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