State and unknown input estimations for discrete-time switched linear systems with average dwell time

被引：10
|
作者：
Guo, Shenghui [1 ,2 ]
Jiang, Bin [2 ]
Zhu, Fanglai [3 ]
Gao, Qingbin [4 ]
机构：
[1] Suzhou Univ Sci & Technol, Coll Elect & Informat Engn, Suzhou 215009, Peoples R China
[2] Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Nanjing 211106, Jiangsu, Peoples R China
[3] Tongji Univ, Coll Elect & Informat Engn, Shanghai 201804, Peoples R China
[4] Univ Alabama, Coll Engn, Tuscaloosa, AL 35487 USA
来源：
JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS | 2019年 / 356卷 / 18期
基金：
中国国家自然科学基金;
关键词：
H-INFINITY CONTROL; FAULT ESTIMATION; STABILITY ANALYSIS; OBSERVER DESIGN;
D O I：
10.1016/j.jfranklin.2019.07.034
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, the problem of state and unknown input estimations for a class of discrete-time switched linear systems with average dwell time switching is investigated. First, a proportional integral observer with an exponential H-infinity performance is constructed to estimate the system state and unknown input simultaneously. Second, both of the observability and the stability of the estimation error system are analyzed, then the derivation of the observer gain matrices is transformed into the calculation of linear matrix inequalities. Third, the obtained results are extended to the systems with output disturbances. Finally, two simulation examples are provided to show the validity and effectiveness of the proposed methods. (C) 2019 Published by Elsevier Ltd on behalf of The Franklin Institute.
引用
收藏
页码：11741 / 11759
页数：19
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