On Identifiability of Object-Oriented Models
2005 (English)Report (Other academic)
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
Linköping: Linköping University Electronic Press, 2005. , 9 p.
LiTH-ISY-R, ISSN 1400-3902 ; 2710
Identifiability, Nonlinear systems, Algebraic methods, Object oriented modelling, Modelling, Identification, Descriptor systems
IdentifiersURN: urn:nbn:se:liu:diva-55885ISRN: LiTH-ISY-R-2710OAI: oai:DiVA.org:liu-55885DiVA: diva2:316648