On observability of switched differential-algebraic equations

被引：29

作者：

Tanwani, Aneel ^{[1
]}

Trenn, Stephan ^{[2
]}

机构：

[1] Univ Illinois, Coordinated Sci Lab, Urbana, IL 61801 USA

[2] Univ Wurzburg, Inst Math, D-97074 Wurzburg, Germany

来源：

49TH IEEE CONFERENCE ON DECISION AND CONTROL (CDC) | 2010年

关键词：

CONTROLLABILITY;

D O I：

10.1109/CDC.2010.5717685

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

We investigate observability of switched differential algebraic equations. The article primarily focuses on a class of switched systems comprising of two modes and a switching signal with a single switching instant. We provide a necessary and sufficient condition under which it is possible to recover the value of state trajectory (globally in time) with the help of switching phenomenon, even though the constituent subsystems may not be observable. In case the switched system is not globally observable, we discuss the concept of forward observability which deals with the recovery of state trajectory after the switching. A necessary and sufficient condition that characterizes forward observability is presented.

引用

页码：5656 / 5661

页数：6

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