Railcar acoustic monitoring system and method of use
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United States of America Patent
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Dec 15, 2020
Grant Date -
N/A
app pub date -
Aug 29, 2019
filing date -
Aug 30, 2018
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Abstract
A computer-implemented method for identifying a defect of a passing train via acoustic monitoring. The method may include the steps of: receiving data from the passing train within a zone of observance using an array of microphone assemblies of an acoustic monitoring system that are positioned around a section of the track. The method may further include processing the data to determine pressure levels received by each of the array of microphone assemblies. The method may further include calculating a theoretical pressure level for a plurality of points within a three-dimensional space for each microphone of the array of microphone assemblies. The method may further include determining one or more locations within the three-dimensional coordinate space that represents an origin of a noise source indicating the defect. And the method may further include determining a type of defect based on the acoustic signatures.
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