Vibration monitoring system and method
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United States of America Patent
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-
Dec 4, 2018
Grant Date -
Nov 17, 2016
app pub date -
May 12, 2016
filing date -
Sep 30, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A vibration monitoring system includes an acoustic device that outputs an analog signal to a fiber cable for calibration and location verification. The acoustic device utilizes GPS or communication from wayside bungalow equipment to verify GPS location or real-time clock information. The wayside bungalow contains communication equipment that interfaces with the acoustic device and relays health information to a sensing processor. The sensing processor is configured to detect the acoustic signal output by the acoustic device at a known location and verifies that the cable and device have not moved location by comparing the signal level received against a threshold stored in memory. When the threshold is exceeded, the sensing processor sends an alert that the fiber optic cable or acoustic device at the location have changed.
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