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Voice-Coils As Reciprocal Transducers in Structural Health Monitoring Applications

Abstract : The feasibility of using voice-coils as reciprocal transducers of mechanical waves is investigated. It is speculated that these transducers could be used in a seismic network for structural health monitoring purposes, transmitting relatively un-damped low frequency waveforms such as surface waves. This would permit long distances between transducers. The force generation capacity and vibration sensitivity of five types of voice-coil transducers are compared in the lower sonic spectrum. As a verification of the concept, the transducer type evaluated to be the most practical is used to measure the natural bending mode frequencies of a small concrete beam.
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https://hal.inria.fr/hal-01020381
Contributor : Anne Jaigu <>
Submitted on : Tuesday, July 8, 2014 - 10:03:19 AM
Last modification on : Tuesday, July 8, 2014 - 11:51:26 AM
Long-term archiving on: : Wednesday, October 8, 2014 - 11:45:56 AM

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Patrik Fröjd, Peter Ulriksen. Voice-Coils As Reciprocal Transducers in Structural Health Monitoring Applications. EWSHM - 7th European Workshop on Structural Health Monitoring, IFFSTTAR, Inria, Université de Nantes, Jul 2014, Nantes, France. ⟨hal-01020381⟩

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