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Random Decrement Signal Processing of Modal Impact Test Data
University of Southern Denmark, Denmark.
University of Southern Denmark, Denmark.ORCID iD: 0000-0003-2025-7842
2010 (English)In: Structural Dynamics, Volume 3: Proceedings of the 28th IMAC, A Conference on Structural Dynamics, 2010 / [ed] Tom Proulx, Springer, 2010, Vol. 3, 1453-1459 p.Conference paper, Published paper (Refereed)
Abstract [en]

When performing modal impact tests on mechanical systems many practioners utilize hardware based digital signal processors to rapidly estimate average spectral properties from a set of repeated impact and response time traces. However, if the complete set of time traces is saved as is commonly done when performing impact tests on civil structures then more generalized analysis and triggering conditions can be used to process the dataset. One such more general triggering condition can be referred to as random decrement signal processing. In this paper it is explained and illustrated how random decrement signal processing can be used to accept double hit impact and overlapping responses and it is shown that in many cases, the estimated transfer function are estimated with higher accuracy then using traditional triggering/averaging techniques.

Place, publisher, year, edition, pages
Springer, 2010. Vol. 3, 1453-1459 p.
Series
Conference Proceedings of the Society for Experimental Mechanics Series, ISSN 2191-5644
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:lnu:diva-56944DOI: 10.1007/978-1-4419-9834-7_128ISBN: 9781441998330 (print)ISBN: 9781441998347 (print)OAI: oai:DiVA.org:lnu-56944DiVA: diva2:1040108
Conference
28th International Modal Analysis Conference (IMAC), Jacksonville, USA, February 1-4, 2010
Available from: 2016-10-26 Created: 2016-09-28 Last updated: 2016-10-26Bibliographically approved

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CiteExportLink to record
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Cite
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
  • text
  • asciidoc
  • rtf