On the existence and design of functional observers for linear systems

被引:13
|
作者
Trinh, Hieu [1 ]
Fernando, Tyrone [2 ]
机构
[1] Deakin Univ, Sch Engn & Technol, Geelong, Vic 3217, Australia
[2] Univ Western Australia, Sch Elect Elect & Comp Engn, Nedlands, WA 6152, Australia
关键词
functional observers; stability; linear systems;
D O I
10.1109/ICMA.2007.4303853
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Darouach [1] recently derived necessary and sufficient conditions for the existence and stability of functional observers with an order, p, equals to the dimension m of the vectors to be estimated. In general, these conditions are difficult to satisfy and when they are not, the only available option is to increase the order of the functional observers. This note presents new conditions for the existence of a general pth-order functional observer. Systematic procedures for the synthesis of reducedorder functional observers are given. A numerical example is given to illustrate the design procedures.
引用
收藏
页码:1974 / +
页数:2
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