Causal observability of nonlinear time-delay systems with unknown inputs

被引：4

作者：

Zheng, G. ^{[1
]}

Barbot, J-P. ^{[1
,2
]}

Boutat, D. ^{[3
]}

Floquet, T. ^{[1
,4
]}

Richard, J. -P. ^{[1
,4
]}

机构：

[1] INRIA Lille Nord Europe, Project ALIEN, 40 Ave Halley, F-59650 Villeneuve Dascq, France

[2] ENSEA, ECS, D-95014 Berlin, Germany

[3] ENSI Bourges PRISME, F-18020 Boulogne, France

[4] CNRS, LAGISFRE, Paris, France

来源：

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

关键词：

CONTROLLABILITY; OBSERVERS;

D O I：

10.1109/CDC.2010.5717831

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 paper investigates the problem of causal observability of the states and unknown inputs of nonlinear time-delay systems. Using the theory of non-commutative rings, the nonlinear time-delay system is transformed into a suitable canonical form to solve the problem. A necessary and sufficient condition is given to guarantee the existence of a change of coordinate leading to such a form. Then, algorithms are provided to check the possibility of obtaining causal estimations of the states and unknown inputs for the studied systems.

引用

页码：443 / 448

页数：6

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