An observer design procedure for a class of nonlinear time-delay systems |
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| Authors: | H. Trinh [Author Vitae] M. Aldeen [Author Vitae] [Author Vitae] |
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| Affiliation: | a School of Engineering and Technology, Deakin University, Geelong 3217, Australia
b Department of Electrical and Electronic Engineering, The University of Melbourne, Parkville, Vic. 3010, Australia |
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| Abstract: | 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. |
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| Keywords: | Time-delay systems Linear functional observers Reduced-order state observers Uncertain systems |
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