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System Identification using High-Order Models, Revisited
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
1989 (English)Report (Other academic)
Abstract [en]

The traditional approach of expanding transfer functions and noise models in the delay operator to obtain predictor models linear in the parameters leads to approximations of very high order in the case of rapid sampling and/or large dispersion in time constants. By using a priori information about the time constants of the system, more appropriate expansions, closely related to Laguerre networks, are introduced and analyzed. It is shown that these expansions need much lower orders to obtain reasonable approximations and improve the numerical properties of the estimation algorithm. Consistency (error bounds), persistence of excitation conditions, and asymptotic statistical properties are investigated

Place, publisher, year, edition, pages
Linköping: Linköping University , 1989. , 29 p.
LiTH-ISY-I, ISSN 8765-4321 ; 999
Keyword [en]
Identification, Error bounds, High-order models, Asymptotic statistical properties
National Category
Control Engineering
URN: urn:nbn:se:liu:diva-104092OAI: diva2:694541
Available from: 2014-02-06 Created: 2014-02-06 Last updated: 2014-02-06

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ReferencesLink to record
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