Local observer for infinitesimally observable nonlinear systems

In this article, we present a local observer based on infinitesimal observability along trajectories. The gain of this observer derives from a dynamical Lyapunov equation. The inputs for which the observer converges are those which render the system observable at each point of the Ω-limit of the unk...

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Bibliographic Details
Published inInternational journal of control Vol. 86; no. 4; pp. 579 - 590
Main Authors Hammouri, Hassan, Vu, Hoang Giang, Yahoui, Hamed
Format Journal Article
LanguageEnglish
Published Abingdon Taylor & Francis Group 01.04.2013
Taylor & Francis Ltd
Taylor & Francis
Subjects
Direct current
Dynamical systems
Electric power
Engineering Sciences
Gain
infinitesimal observability
Infinity
Mathematical analysis
Nonlinear dynamics
nonlinear observers
Nonlinear systems
Observers
Trajectories
nonlinear observers
nonlinear systems
infinitesimal observability
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Summary:In this article, we present a local observer based on infinitesimal observability along trajectories. The gain of this observer derives from a dynamical Lyapunov equation. The inputs for which the observer converges are those which render the system observable at each point of the Ω-limit of the unknown trajectory (infinitesimal observability at infinity along trajectories). The performance of the proposed observer is illustrated with an application to DC machine.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0020-7179
1366-5820
DOI:10.1080/00207179.2012.749358