Output feedback stabilization for high-order uncertain feedforward time-delay nonlinear systems

被引:40
|
作者
Sun, Zong-Yao [1 ]
Song, Zhi-Bao [2 ]
Li, Ting [1 ]
Yang, Shao-Hua [1 ]
机构
[1] Qufu Normal Univ, Inst Automat, Qufu 273165, Shandong, Peoples R China
[2] Southeast Univ, Sch Automat, Nanjing, Jiangsu, Peoples R China
基金
中国国家自然科学基金;
关键词
HOMOGENEOUS DOMINATION APPROACH; GLOBAL STABILIZATION; CONTROLLABILITY; DESIGN; STATE;
D O I
10.1016/j.jfranklin.2015.09.003
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 output feedback stabilization problem for a class of high-order uncertain feedforward time-delay nonlinear systems. Under a weaken assumption that the powers of nonlinear functions are relaxed to an interval, the new control strategy implanting sign functions into homogeneous domination idea and observer construction allows time-varying delays to coexist in system state and control input. With the aid of delicate selections of design parameters, observer gains and Lyapunov-Krasovskii functionals, it is shown that the closed-loop system is globally asymptotically stable. (C) 2015 The Franklin Institute. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:5308 / 5326
页数:19
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