On Observation of Time-Delay Systems With Unknown Inputs

被引：48

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 Non A, F-59650 Villeneuve Dascq, France

[2] ECS ENSEA, F-95014 Cergy Pontoise, France

[3] Loire Valley Univ, ENSI Bourges, Inst PRISME, F-18020 Bourges, France

[4] Univ Lille Nord France, Ecole Cent Lille, LAGIS, F-59651 Villeneuve Dascq, France

来源：

IEEE TRANSACTIONS ON AUTOMATIC CONTROL | 2011年 / 56卷 / 08期

关键词：

Canonical form; causality; observability; time-delay systems; RETARDED NONLINEAR-SYSTEMS; OBSERVERS; CONTROLLABILITY; IDENTIFIABILITY; PARAMETER; DESIGN;

D O I：

10.1109/TAC.2011.2142590

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Causal and non-causal observability are discussed in this technical note for nonlinear time-delay systems with unknown inputs. Using the theory of non-commutative rings and the algebraic framework introduced by Xia et al., 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 coordinates leading to such a form.

引用

页码：1973 / 1978

页数：7

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