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Vibration Data Analysis for a Commercial Aircraft
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Saab Military Aircraft, Sweden.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
1996 (English)In: Automatica, ISSN 0005-1098, E-ISSN 1873-2836, Vol. 32, no 12, 1689-1700 p.Article in journal (Refereed) Published
Abstract [en]

Using data from extensive vibrational tests of the new Saab 2000 aircraft, a combined method for vibration analysis is studied. The method is based on a realization algorithm followed by standard prediction error methods (PEM). We find that the realization algorithm gives good initial model parameter estimates that can be further improved by the use of PEM. We use the method to get insights into the vibrational eigenmodes.

Place, publisher, year, edition, pages
Elsevier, 1996. Vol. 32, no 12, 1689-1700 p.
Keyword [en]
System identification, Estimation algorithms, Modal analysis, State-space methods, Model validation, Application
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-56360DOI: 10.1016/S0005-1098(96)80005-7OAI: oai:DiVA.org:liu-56360DiVA: diva2:318587
Funder
Swedish Research Council
Available from: 2010-05-08 Created: 2010-05-07 Last updated: 2017-12-12

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Ljung, Lennart

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