Event-triggered controllers based on the supremum norm of sampling-induced error

被引：10

作者：

Zhu, Lijun ^{[1
]}

Chen, Zhiyong ^{[2
]}

Hill, David J. ^{[3
]}

Du, Shengli ^{[4
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Artificial Intelligence & Automat, Key Lab Imaging Proc & Intelligence Control, Wuhan 430074, Peoples R China

[2] Univ Newcastle, Sch Elect Engn & Comp, Callaghan, NSW 2308, Australia

[3] Univ Hong Kong, Dept Elect & Elect Engn, Hong Kong, Peoples R China

[4] Beijing Univ Technol, Coll Automat, Fac Informat Technol, Beijing 100124, Peoples R China

来源：

AUTOMATICA | 2021年 / 128卷

关键词：

Event-triggered control; Zeno behavior; Lower-triangular systems; Nonlinear systems; NONLINEAR-SYSTEMS; STABILIZATION;

D O I：

10.1016/j.automatica.2021.109532

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The paper proposes a novel event-triggered control scheme for nonlinear systems. Specifically, the closed-loop system is associated with a pair of auxiliary input and output. The auxiliary output is defined as the derivative of the continuous-time input function, while the auxiliary input is defined as the input disturbance caused by the sampling or equivalently the integral of the auxiliary output over the sampling period. As a result, it forms a cyclic mapping from the input to the output via the system dynamics and back from the output to the input via the integral. The event-triggered law is constructed to make the mapping contractive such that the stabilization is achieved and an easy-to-check Zeno free condition is provided. Within this framework, we develop a theorem for the event-triggered control of interconnected nonlinear systems which is employed to solve the event-triggered control for lower-triangular systems with dynamic uncertainties. (C) 2021 Elsevier Ltd. All rights reserved.

引用

页数：9

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