Acoustic structural integrity monitoring system and method
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United States of America Patent
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Feb 2, 2016
Grant Date -
May 16, 2013
app pub date -
Jul 8, 2011
filing date -
Jul 19, 2010
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Abstract
Each of a plurality of acoustic sensors (acoustically coupled to a structure for monitoring) is connected to a network bus system via a preamplifier for capturing, processing and reporting acoustic events in a structure, for example aircraft structures. Each of the preamplifiers processes the acoustic event signals received from the sensors when an acoustic emission resulting from an acoustic event (defect in a structure, impact on the structure etc), and passes digital processed signal data relating to the detected acoustic event to a Remote Data Concentrator over the network for collation. The collated data is then stored and/or further processed (at a later time or in near real-time) to determine the source and/or location of detected acoustic emissions in the structure.
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