Design of proportional-integral observer for unknown input descriptor systems

被引：148

作者：

Koenig, D ^{[1
]}

Mammar, S

机构：

[1] Lab Automat Grenoble, F-38402 St Martin Dheres, France

[2] Univ Evry Val Essonne, Lab Syst Complexes, CNRS,FRE 2494, CEMIF,LSC, F-91020 Evry, France

来源：

IEEE TRANSACTIONS ON AUTOMATIC CONTROL | 2002年 / 47卷 / 12期

关键词：

descriptor system; nonlinearities and robustness; state and unknown inputs (UI) estimation;

D O I：

10.1109/TAC.2002.805675

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This note presents simple methods to design full- and reduced-order proportional integral observer for unknown inputs (UI) descriptor systems. Sufficient conditions for the existence of the observer are given and proven. The observer is solvable by any pole placement algorithm, it achieves a posteriori robustness state and UI estimation versus to time varying parameters and bounded nonlinear UI. An illustrative example is included.

引用

页码：2057 / 2062

页数：6

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