Event-Triggered Dynamic Output Feedback Control for Switched Systems With Frequent Asynchronism

被引：186

作者：

Fei, Zhongyang ^{[1
]}

Guan, Chaoxu ^{[1
]}

Zhao, Xudong ^{[2
]}

机构：

[1] Harbin Inst Technol, Res Inst Intelligent Control & Syst, Harbin 150001, Peoples R China

[2] Dalian Univ Technol, Fac Elect Informat & Elect Engn, Dalian 116024, Peoples R China

来源：

IEEE TRANSACTIONS ON AUTOMATIC CONTROL | 2020年 / 65卷 / 07期

基金：

美国国家科学基金会;

关键词：

Switches; Switched systems; Output feedback; Linear systems; Stability analysis; Symmetric matrices; Average dwell time (ADT); dynamic output feedback control (DOFC); event-triggered control; frequent asynchronism; switched systems; SAMPLED-DATA SYSTEMS; NONLINEAR-SYSTEMS; LYAPUNOV FUNCTION; LINEAR-SYSTEMS; STABILIZATION; STABILITY; DELAY;

D O I：

10.1109/TAC.2019.2945279

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper addresses the event-triggered dynamic output feedback control for switched linear systems with frequent asynchronism. Different from existing work, which limits at most once switching during an interevent interval, we adopt the average dwell time approach without limiting the minimum dwell time of each subsystem, and thus frequent switching is allowed to happen in an interevent interval. Since the difficulty in acquiring the full information of system states, the dynamic output feedback controller is taken into account to stabilize the switched system. By employing a controller-mode-dependent Lyapunov functional, stability criterion is proposed for the resulting closed-loop system, based on which the dynamic output feedback controller together with the mode-dependent event-triggered mechanism is codesigned. Besides, the existence of the lower bound on interevent intervals is attentively discussed, which gets rid of the Zeno behavior. Finally, the effectiveness of the proposed method is illustrated by numerical simulations.

引用

页码：3120 / 3127

页数：8

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