Sufficient conditions for stability of linear time-delay systems with dependent delays

被引:3
|
作者
Zhu, Ying [1 ,2 ]
Gao, Qina [1 ,2 ]
Xiao, Yang [3 ]
机构
[1] Beihang Univ, Sch Elect & Informat Engn, Beijing 100191, Peoples R China
[2] Beijing Aeronaut Technol Res Ctr, Beijing 100076, Peoples R China
[3] Beijing Jiaotong Univ, Inst Informat Sci, Beijing 100044, Peoples R China
基金
中国国家自然科学基金;
关键词
time-delay systems; guasipolynomials; stability test; ROBUST STABILITY; POLYNOMIALS; CRITERIA;
D O I
10.1109/JSEE.2013.00098
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
According to the delay property, linear time-delay (LTD) systems can be classified as LTD systems with dependent delays (LTD_DD) and LTD systems with independent delays (LTD_ID). This paper reveals that the stability condition for LTD_ID systems can be applied to LTD_DD systems, a sufficient stability condition for LTD_DD systems is derived from it, while only fewer of the LTD_DD systems can satisfy the stability condition due to the very strict limitation for the delays of the LTD_DD systems. To solve the problem, based on two-dimensional (2-D) hybrid polynomials, some sufficient conditions for stability of LTD_DD systems are proposed. Examples show that the proposed stability test algorithms are simple and valid.
引用
收藏
页码:845 / 851
页数:7
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