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Robust feedback linearization using extended high-gain observers
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
Michigan State University.
2006 (English)In: 45th IEEE Conference onDecision and Control, New York: IEEE , 2006, 983-988 p.Conference paper, Published paper (Refereed)
Abstract [en]

We consider a partially feedback linearizable system with stable zero dynamics. The system is uncertain and only the output is measured. Consequently, exact feedback linearization is not applicable. We propose to design an extended high-gain observer to recover unmeasured derivatives of the output and an extra one, which contains information about the uncertainty. The observer can be stabilized via feedback linearization followed by a linear control design, such as pole placement or LQR. After a short peaking period, a partial state vector, which includes the output and its derivatives, will be in a small neighborhood of the state of the observer; therefore, the performance achievable under exact feedback linearization will be recovered.

Place, publisher, year, edition, pages
New York: IEEE , 2006. 983-988 p.
Series
Proceedings / IEEE Conference on Decision and Control ; IEEE Control Systems Society, ISSN 0743-1546
Identifiers
URN: urn:nbn:se:umu:diva-37705DOI: 10.1109/CDC.2006.377053ISBN: 1-4244-0171-2 (print)OAI: oai:DiVA.org:umu-37705DiVA: diva2:369740
Conference
45th IEEE Conference on Decision and Control, San Diego, CA, DEC 13-15, 2006
Available from: 2010-11-11 Created: 2010-11-11 Last updated: 2010-12-16

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Freidovich, Leonid B.
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CiteExportLink to record
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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
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  • de-DE
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  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
  • html
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  • asciidoc
  • rtf