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A practical approach to input design for modal analysis using subspace methods
KTH, School of Electrical Engineering (EES), Fusion Plasma Physics.
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre. (System Identification Group)ORCID iD: 0000-0003-0355-2663
2012 (English)In: 16th IFAC Symposium on System Identification, IFAC , 2012, 362-367 p.Conference paper, Published paper (Refereed)
Abstract [en]

A basic class of multivariate system identification input design methods is proposed. Only reliable numerical linear algebra is used. The underlying idea is to inject energy into the invariant eigenspace for a subset of preestimated plant eigenvalues. Standard Schur pseudotriangular factorisation is used to pretarget a subsequent singular value decomposition. Explicit state-space formulas are given. Examples indicate that the approach may be useful in some practical applications. The approach may be considered user-friendly.

Place, publisher, year, edition, pages
IFAC , 2012. 362-367 p.
Series
IFAC Proceedings Volumes (IFAC-PapersOnline), ISSN 1474-6670 ; 16
Keyword [en]
Eigenspaces, Eigenvalues, Identification input, Input design, Multivariate systems, Numerical Linear Algebra, State-space, Sub-space methods
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-72598DOI: 10.3182/20120711-3-BE-2027.00167Scopus ID: 2-s2.0-84867074485ISBN: 978-390282306-9 (print)OAI: oai:DiVA.org:kth-72598DiVA: diva2:488340
Conference
16th IFAC Symposium on System Identification (SYSID 2012), Bruxelles; 11 July 2012 through 13 July 2012
Funder
ICT - The Next Generation
Note

QC 20121122

Available from: 2012-02-01 Created: 2012-01-31 Last updated: 2013-04-15Bibliographically approved

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Rojas, Cristian R.

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Olofsson, K. Erik J.Rojas, Cristian R.
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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • 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
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  • asciidoc
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