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Non-intrusive shock measurements using laser doppler vibrometers

Show simple item record Statham, Shannon M. Kolaini, Ali R. 2013-04-10T23:02:18Z 2013-04-10T23:02:18Z 2012-10-16
dc.identifier.citation Aerospace Testing Seminar, El Segundo, California, October 15-16, 2012. en_US
dc.identifier.clearanceno 12-4340
dc.description.abstract Stud mount accelerometers are widely used by the aerospace industry to measure shock environments during hardware qualification. The commonly used contact-based sensors, however, interfere with the shock waves and distort the acquired signature, which is a concern not actively discussed in the community. To alleviate these interference issues, engineers at the Jet Propulsion Laboratory are investigating the use of non-intrusive sensors, specifically Laser Doppler Vibrometers, as alternatives to the stud mounted accelerometers. This paper will describe shock simulation tests completed at the Jet Propulsion Laboratory, compare the measurements from stud mounted accelerometers and Laser Doppler Vibrometers, and discuss the advantages and disadvantages of introducing Laser Doppler Vibrometers as alternative sensors for measuring shock environments. en_US
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US en_US
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2012. en_US
dc.subject shock testing en_US
dc.subject laser doppler vibrometer (LDV) en_US
dc.subject accelerometer en_US
dc.title Non-intrusive shock measurements using laser doppler vibrometers en_US
dc.type Preprint en_US

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