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Initialization of Physical Parameter Estimates
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
ETH Zürich, Switzerland.
2003 (English)In: Proceedings of the 13th IFAC Symposium on System Identification, 2003, 1524-1529 p.Conference paper, Published paper (Refereed)
Abstract [en]

Grey box models of dynamical systems contain designated parameters with physical interpretation to be estimated from input-output data. This often gives distinct advantages over black-box models in terms of fewer parameters to estimate and hence better statistical accuracy. The basic theory for how this can be done is well established. The main practical obstacle may however be how the search for the estimates should be initialized. In this contribution we review the difficulties and point to a possibility to use Semidefinite Programming via a Sum-Of-Squares formulation to achieve guaranteed consistent initial values for the physical parameters.

Place, publisher, year, edition, pages
2003. 1524-1529 p.
Keyword [en]
Parameter estimation, Initialization
National Category
Engineering and Technology Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-90858ISBN: 9780080437095 (print)OAI: oai:DiVA.org:liu-90858DiVA: diva2:615069
Conference
13th IFAC Symposium on System Identification, Rotterdam, The Netherlands, August, 2003
Available from: 2013-04-08 Created: 2013-04-07 Last updated: 2013-04-08

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Ljung, Lennart

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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More styles
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  • de-DE
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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  • asciidoc
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