Title
An automatic frequency domain modal parameter estimation algorithm An automatic frequency domain modal parameter estimation algorithm
Author
Faculty/Department
Faculty of Applied Engineering Sciences
Publication type
article
Publication
London ,
Subject
Engineering sciences. Technology
Source (journal)
Journal of sound and vibration / University of Southampton. Institute of Sound and Vibration Research. - London
Volume/pages
265(2003) :3 , p. 647-661
ISSN
0022-460X
ISI
000184517800009
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
In this article, a frequency-domain modal parameter estimation method is proposed. The algorithm automatically separates physical poles from mathematical ones. An important issue in the automatization of the algorithm is the inclusion of noise information to estimate the standard deviations of the poles. These standard deviations are used (together with other features) as the inputs of a fuzzy clustering algorithm. The clustering algorithm then classifies the poles into the mathematical and physical ones. The method requires no user interaction, and a parameter is available quantifying the success of the classification. (C) 2002 Elsevier Science Ltd. All rights reserved.
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