High sensitivity environmental sensor board and methods for structural health monitoring

B F Spencer (Inventor), Gul Abdulnabi Agha (Inventor), Jennifer A Rice (Inventor)

Research output: Patent

Abstract

A smart sensor circuit board comprises an interface to a wireless smart sensor board platform, a multi-axis accelerometer having a measurement range and resolution set to provide sensitivity to measure ambient structural vibrations resulting from non-catastrophic routine environmental factors, an analog to digital converter (ADC) for converting signals from the multi-axis accelerometer having a plurality of individual channels including oversampling, filtering, and decimation, and each channel being individually programmable for gain, anti-aliasing, cut-off frequency, sampling, and frequency providing data to the interface, and a low noise and high sensitivity amplifier having the plurality of individual channels to receive signals from the multi-axis accelerometer.
Original languageEnglish (US)
U.S. patent number9086430
StatePublished - Jul 21 2015

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