Functional unknown input reconstruction of descriptor systems: Application to fault detection

被引：19

作者：

Javier Bejarano, Francisco ^{[1
]}

机构：

[1] IPN, SEPI, ESIME Ticoman, Mexico City 07340, DF, Mexico

来源：

AUTOMATICA | 2015年 / 57卷

关键词：

Fault detection; Descriptor systems; Singular systems; Unknown input estimation; OBSERVER DESIGN; LINEAR-SYSTEMS; OBSERVABILITY; STATE;

D O I：

10.1016/j.automatica.2015.04.023

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The problem of finding conditions for the reconstruction of a linear combination of the vector of unknown inputs is tackled. Appropriate definitions are given in order to address formally the analysis. Thus, necessary and sufficient conditions are obtained for two cases, when the reconstruction may be achieved in finite time and when it is possible to do it asymptotically. The results are applied for the fault detection, with the respective deduction of analogous conditions. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：145 / 151

页数：7

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