On Observer Design for a Class of Nonlinear Systems Including Unknown Time-Delay

被引：18
|
作者：
Naifar, O. [1 ]
Ben Makhlouf, A. [2 ]
Hammami, M. A. [2 ]
Ouali, A. [1 ]
机构：
[1] Natl Sch Engn, Dept Elect Engn, CEM Lab, BP W, Sfax 3038, Tunisia
[2] Univ Sfax, Fac Sci Sfax, Dept Mathemet, BP 1171, Sfax 3000, Tunisia
来源：
MEDITERRANEAN JOURNAL OF MATHEMATICS | 2016年 / 13卷 / 05期
关键词：
Observer; exponential stability; practical stability; Lyapunov-Krasovskii; time delay; EXPONENTIAL STABILITY; PARAMETER; NETWORKS;
D O I：
10.1007/s00009-015-0659-3
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
The observer design for nonlinear systems with unknown, bounded, time-varying delays, on both input and state, is still an open problem for researchers. In this paper, a new observer design for a class of nonlinear system with unknown, bounded, time-varying delay was presented. For the proof of the observer stability, a Lyapunov-Krasovskii function was chosen. Sufficient assumptions are provided to prove the practical stability of the proposed observer. Furthermore, the exponential convergence of the observer was proved in the case of a constant time delay. Simulation results were shown to illustrate the feasibility of the proposed strategy.
引用
收藏
页码：2841 / 2851
页数：11
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