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A Study of some Approaches to Vibration Data Analysis
Saab Military Aircraft, Sweden.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
1993 (English)Report (Other academic)
Abstract [en]

Using data from extensive vibrational tests of the new aircraft Saab 2000 three different methods for vibration analysis are studied. These methods are ERA (eigensystem realization algorithm), N4SID (a subspace method) and PEM (prediction error approach). We find that both the ERA and N4SID methods give good initial model parameter estimates that can be further improved by the use of PEM. We also find that all methods give good insights into the vibrational modes.

Place, publisher, year, edition, pages
Linköping: Linköping University , 1993. , 6 p.
Series
LiTH-ISY-R, ISSN 1400-3902 ; 1600
Keyword [en]
System identification, Model analysis, State-space methods, application
Keyword [sv]
Flygplan Konstruktion, Cybernetik Informationsteori
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-55176ISRN: LiTH-ISY-R-1600OAI: oai:DiVA.org:liu-55176DiVA: diva2:315803
Available from: 2010-04-29 Created: 2010-04-29 Last updated: 2014-09-19Bibliographically approved

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Ljung, Lennart

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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Language
  • de-DE
  • en-GB
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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