NDLI: Discriminating physical poles from mathematical poles in high order systems: use and automation of the stabilization diagram

Content Provider	IEEE Xplore Digital Library
Author	Van der Auweraer, H. Peeters, B.
Copyright Year	2004
Description	Author affiliation: LMS Int., Leuven, Belgium (Van der Auweraer, H.; Peeters, B.)
Abstract	System identification from measured MIMO data plays a crucial role in structural dynamics and vibro-acoustic system optimization. The most popular modeling approach is based on the i modal analysis concept, leading to an interpretation in terms of visualized eigenmodes. Typically, the number of nodes is very high (often over 100), including modes with high damping and high modal overlap. The paper discusses a key problem of the system identification process: the selection of the correct model order and related to this, the selection of valid system poles. A multi-order approach, followed by a heuristic selection process is outlined. A visual representation of the pole behavior is presented and the possible routes to automation are discussed. The process is illustrated with typical complex datasets, including full-scale industrial tests.
Sponsorship	IEEE Instrumentation and Measurement Soc
Starting Page	2193
Ending Page	2198
File Size	420344
Page Count	6
File Format	PDF
ISBN	078038248X
ISSN	10915281
DOI	10.1109/IMTC.2004.1351525
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-05-18
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Automation System identification Modal analysis Vibrations Damping Noise measurement Resonance Resonant frequency Size measurement Noise reduction
Content Type	Text
Resource Type	Article
Subject	Instrumentation Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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