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Frequency Weighted Subspace Based System Identification in the Frequency Domain
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
1995 (English)Report (Other academic)
Abstract [en]

Frequency weighting capabilities are introduced in a subspace based frequency domain identification algorithm. Weighting matrices constructed from the impulse response of weighting filters are used to weight a Hankel matrix prior of deriving the signal subspace by the singular value decomposition. The resulting algorithm is shown to asymptotically produce models which are the frequency weighted balanced truncation of the identified system. An illustrative example shows the applicability of the method for finite data.

Place, publisher, year, edition, pages
Linköping: Linköping University , 1995. , 12 p.
LiTH-ISY-R, ISSN 1400-3902 ; 1776
Keyword [en]
Identication, Subspace methods, Frequency weighting, Model reduction, Singular value decomposition
Keyword [sv]
Cybernetik Informationsteori
National Category
Control Engineering
URN: urn:nbn:se:liu:diva-55277ISRN: LITH-ISY-R-1776ISBN: 0-7803-2685-7OAI: diva2:315849
Available from: 2010-04-29 Created: 2010-04-29 Last updated: 2014-09-19Bibliographically approved

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Automatic ControlThe Institute of Technology
Control Engineering

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ReferencesLink to record
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