State and input simultaneous estimation for a class of nonlinear systems

Ha, Q. P. and Trinh, Hieu 2004, State and input simultaneous estimation for a class of nonlinear systems, Automatica, vol. 40, no. 10, pp. 1779-1785, doi: 10.1016/j.automatica.2004.05.012.

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Title State and input simultaneous estimation for a class of nonlinear systems
Author(s) Ha, Q. P.
Trinh, HieuORCID iD for Trinh, Hieu
Journal name Automatica
Volume number 40
Issue number 10
Start page 1779
End page 1785
Publisher Pergamon-Elsevier Science Ltd
Place of publication Oxford, England
Publication date 2004-10
ISSN 0005-1098
Keyword(s) observers
nonlinear systems
state and input estimation
Summary This paper addresses the problem of estimating simultaneously the state and input of a class of nonlinear systems. Here, the systems nonlinear part comprises a Lipschitz nonlinear function with respect to the state and input, and a state-dependent unknown function including additive disturbance as well as uncertain/nonlinear/time-varying terms. Upon satisfying some conditions, the observer design problem can be solved via a Riccati inequality or a LMI-based technique with asymptotic estimation guaranteed. A numerical example is included for illustration.
Notes Available online 27 July 2004.
Language eng
DOI 10.1016/j.automatica.2004.05.012
Field of Research 091302 Automation and Control Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2004, Elsevier Ltd.
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