Robust output feedback tracking control for a class of high-order time-delay nonlinear systems with input dead-zone and disturbances

被引：29
|
作者：
Liu, Zhenguo [1 ]
Xue, Lingrong [2 ]
Sun, Wei [3 ]
Sun, Zongyao [4 ]
机构：
[1] Shanxi Univ, Dept Automat, Taiyuan 030006, Shanxi, Peoples R China
[2] Shanxi Univ Finance & Econ, Sch Informat, Taiyuan 030006, Shanxi, Peoples R China
[3] Liaocheng Univ, Sch Math Sci, Liaocheng 252000, Shandong, Peoples R China
[4] Qufu Normal Univ, Inst Automat, Qufu 273165, Peoples R China
来源：
NONLINEAR DYNAMICS | 2019年 / 97卷 / 02期
基金：
中国国家自然科学基金;
关键词：
High-order nonlinear systems; Input dead-zone; Time delay; Tracking control; Robust output feedback control; ADAPTIVE NEURAL-CONTROL; PRACTICAL TRACKING; STABILIZATION;
D O I：
10.1007/s11071-019-05018-1
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper is concerned with the tracking control problem for a class of high-order nonlinear systems. Different from the related studies, the considered systems allow the existence of input dead-zone, external disturbances and polynomial growing conditions with time-varying delays. A new Lyapunov-Krasovskii functional is skillfully constructed and a robust output feedback tracking controller is designed by using a modified homogeneous domination method. It is guaranteed that all signals of the closed-loop system are bounded and the tracking error can converge to a compact domain which can be tuned sufficiently small. A simulation example is provided to show the validity of our control strategy.
引用
收藏
页码：921 / 935
页数：15
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