Title
Application of a fast-stabilizing frequency domain parameter estimation method Application of a fast-stabilizing frequency domain parameter estimation method
Author
Faculty/Department
Faculty of Applied Engineering Sciences
Publication type
article
Publication
New York ,
Subject
Engineering sciences. Technology
Source (journal)
Transactions of the ASME: journal of dynamic systems, measurement and control / American Society of Mechanical Engineers. - New York
Volume/pages
123(2001) :4 , p. 651-658
ISSN
0022-0434
ISI
000172894900013
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
A new noniterative frequency domain parameter estimation technique is proposed. It is based on a weighted total least squares approach, starting from multiple input multiple output frequency response functions. One of the specific advantages of the technique lies in the very stable identification of the system poles as a function of the specified system order leading to easy-to-interpret stabilization diagrams. This implies a potential for automating the method and to apply it to "difficult" estimation cases. Several real-life case studies are discussed, one related to holographic modal analysis in the medium frequency range, one to the modal testing of a fully trimmed vehicle.
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