Estimation of dynamic structural displacements using fiber Bragg grating strain sensors

This study investigates dynamic structural displacements estimation using displacement-strain relationship and measured strain data. Strain signals are obtained from fiber Bragg grating (FBG) sensors that have an excellent multiplexing ability. Vibration experiments were performed with aluminum and acryl beam specimens. The beam structures were subjected to various loading conditions, and deformed shapes were reconstructed by using strain signals. The estimated displacements show good agreements with those measured directly from laser displacement sensors. In present study, it is confirmed structural displacements can be estimated using strain data without displacement measurement. (c) 2007 Elsevier Ltd. All rights reserved.
Publisher
ACADEMIC PRESS LTD ELSEVIER SCIENCE LTD
Issue Date
2007-08
Language
ENG
Citation

JOURNAL OF SOUND AND VIBRATION, v.305, no.3, pp.534 - 542

ISSN
0022-460X
URI
http://hdl.handle.net/10203/5811
Appears in Collection
AE-Journal Papers(저널논문)
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