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Structural health monitoring using scanning laser vibrometry: I. Lamb wave sensing

Structural health monitoring using scanning laser vibrometry: I. Lamb wave sensing Structural health monitoring using Lamb waves is based on guided waves introduced to astructure at one point and sensed at a different location. Actuation and sensing can beaccomplished using various types of transducer. The paper demonstrates a non-contactmethod for low-frequency Lamb wave sensing. The technique utilizes a laser Dopplervelocimeter. Lamb wave responses are enhanced using data smoothing and filteringprocedures. The results are validated using classical piezoceramic-based sensing andnumerical simulations. The study shows the potential of laser vibrometry for Lamb wavesensing. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Smart Materials and Structures IOP Publishing

Structural health monitoring using scanning laser vibrometry: I. Lamb wave sensing

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References (42)

Copyright
Copyright IOP Publishing Ltd
ISSN
0964-1726
eISSN
1361-665X
DOI
10.1088/0964-1726/13/2/002
Publisher site
See Article on Publisher Site

Abstract

Structural health monitoring using Lamb waves is based on guided waves introduced to astructure at one point and sensed at a different location. Actuation and sensing can beaccomplished using various types of transducer. The paper demonstrates a non-contactmethod for low-frequency Lamb wave sensing. The technique utilizes a laser Dopplervelocimeter. Lamb wave responses are enhanced using data smoothing and filteringprocedures. The results are validated using classical piezoceramic-based sensing andnumerical simulations. The study shows the potential of laser vibrometry for Lamb wavesensing.

Journal

Smart Materials and StructuresIOP Publishing

Published: Apr 1, 2004

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