An LMI approach to output-feedback-guaranteed cost control for uncertain time-delay systems

被引：5

作者：

Esfahani, SH ^{[1
]}

Petersen, IR ^{[1
]}

机构：

[1] Australian Def Force Acad, Sch Elect Engn, Canberra, ACT 2600, Australia

来源：

INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL | 2000年 / 10卷 / 03期

关键词：

time-delay systems; guaranteed cost control; linear matrix inequalities; output feedback control;

D O I：

10.1002/(SICI)1099-1239(200003)10:33.0.CO;2-K

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 considers the problem of output-feedback-guaranteed cost controller design for uncertain time-delay systems. The uncertainty in the system is assumed to be norm-bounded and time-varying. The time-delay is allowed to enter the state and the measurement equations. A linear quadratic cost function is considered as a performance measure for the closed-loop system. Necessary and sufficient conditions are provided for the construction of a guaranteed cost controller. These conditions are given in terms of the feasibility of LMIs which depend on a positive definite matrix and a scaling variable. A numerical algorithm is developed to search for a full order dynamic output-feedback controller which minimizes the cost bound. Copyright (C) 2000 John Wiley & Sons, Ltd.

引用

页码：157 / 174

页数：18

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