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On Identifiability of Object-Oriented Models
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
2006 (English)In: Proceedings of the 14th IFAC Symposium on System Identification, 2006, 820-825 p.Conference paper, Published paper (Refereed)
Abstract [en]

When estimating unknown parameters, it is important that the model is identifiable so that the parameters can be estimated uniquely. For nonlinear differential-algebraic equation models with polynomial equations, a differential algebra approach to examine identifiability is available. This approach can be slow, so the present paper describes how this method can be modularized for object-oriented models. A characteristic set of equations is computed for components in model libraries, and stored together with the components. When an object-oriented model is built using such models, identifiability can be examined using the stored equations.

Place, publisher, year, edition, pages
2006. 820-825 p.
Keyword [en]
Identifiability, Nonlinear systems, Algebraic methods, Object oriented modeling, Modeling, Identification, Descriptor systems
National Category
Engineering and Technology Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-34148DOI: 10.3182/20060329-3-AU-2901.00129Local ID: 20929ISBN: 978-3-902661-02-9 (print)OAI: oai:DiVA.org:liu-34148DiVA: diva2:254996
Conference
14th IFAC Symposium on System Identification, Newcastle, Australia, March, 2006
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2013-04-07

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Gerdin, MarkusGlad, Torkel

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  • nn-NB
  • sv-SE
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