An observer design procedure for a class of nonlinear time-delay systems

Trinh, Hieu, Aldeen, M. and Nahavandi, Saeid 2004, An observer design procedure for a class of nonlinear time-delay systems, Computers & electrical engineering, vol. 30, no. 1, pp. 61-71, doi: 10.1016/S0045-7906(03)00037-5.

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Title An observer design procedure for a class of nonlinear time-delay systems
Author(s) Trinh, HieuORCID iD for Trinh, Hieu
Aldeen, M.
Nahavandi, SaeidORCID iD for Nahavandi, Saeid
Journal name Computers & electrical engineering
Volume number 30
Issue number 1
Start page 61
End page 71
Publisher Elsevier Ltd
Place of publication London, England
Publication date 2004-01
ISSN 0045-7906
Keyword(s) time-delay systems
linear functional observers
reduced-order state observers
uncertain systems
Summary This paper considers a class of uncertain, nonlinear differential state delayed control systems and presents a reduced-order observer design procedure to asymptotically estimate any vector state functionals. The method proposed involves decomposition of the delayed portion of the system into two parts: a matched and mismatched part. Provided that the rank of the mismatched part is less than the number of the outputs, a reduced-order linear functional observer, with any prescribed stability margin, can be constructed by using a simple procedure. A numerical example is given to illustrate the new design procedure and its features.

Language eng
DOI 10.1016/S0045-7906(03)00037-5
Field of Research 091302 Automation and Control Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2003, Elsevier Ltd.
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