A Study of some Approaches to Vibration Data Analysis
1994 (English)In: Proceedings of the 10th IFAC Symposium on System Identification, 1994, Vol. 3, 289-294 p.Conference paper (Refereed)
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
1994. Vol. 3, 289-294 p.
System identification, Model analysis, State-space methods, Application
IdentifiersURN: urn:nbn:se:liu:diva-94120ISBN: 978-0080422251OAI: oai:DiVA.org:liu-94120DiVA: diva2:629320
10th IFAC Symposium on System Identification, Copenhagen, Denmark, July, 1994