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Frequency Domain System Identification with Instrumental Variable Based Subspace Algorithm
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
1999 (English)Report (Other academic)
Abstract [en]

In this paper we discuss how the time domain subspace based identification algorithms can be modified in order to be applicable when the primary measurements are given as samples of the Fourier transform of the input and output signals or alternatively samples of the transfer function. An instrumental variable (IV) based subspace algorithm is presented. We show that this method is consistent if acertain rank constraint is satisfied and the frequency domain noise is zero mean with bounded covariances. An example is presented which illuminates the theoretical discussion.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 1999. , 9 p.
Series
LiTH-ISY-R, ISSN 1400-3902 ; 2135
Keyword [en]
System identification, State-space models, Subspace methods, Numerical methods, Stochastic analysis, Frequency domain, Approximation
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-55718ISRN: LiTH-ISY-R-2135OAI: oai:DiVA.org:liu-55718DiVA: diva2:316477
Funder
Swedish Research Council
Available from: 2010-04-30 Created: 2010-04-30 Last updated: 2014-09-08Bibliographically approved

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Automatic ControlThe Institute of Technology
Control Engineering

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf