Displacement Sensor


This invention involved a sensor to detect the displacements of the substrate to which the proof mass is attached and is carefully designed to detect the montions. We have performed extensive preliminary work to validate the design. This includes simplified analyses of the response of only the first mode of vibration; we considered only one degree of freedom and multiple degrees of freedom based on a variational formulation using Hamilton's Principle. Detailed finite element analysis was also performed with two different commercially available packages (ANSYS and COMSOL), which accounted for a very large number of degrees of freedom.

Key Words: accelerometer, seismic sensor, vibration

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Scott Hancock
Director, IP Management and Licensing
Binghamton University
(607) 777-5874
Ronald Miles
Weili Cui
Quang Su
Vladimir Bogachuk
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