Strain sensors having ultra-high dynamic range

Details Strain sensors having ultra-high dynamic range Strain sensors having ultra-high dynamic range

1996-04-01

1997-09-16

Chilcot, Richard

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

73826, G02B 602, H01J 516

Patent

active

056683243

ABSTRACT:
A sensor configuration increases the usefulness of Fiber Optic Displacement Sensors by mounting them on an elastomer substrate. The sensor configuration can also be used for most other sensors. The elastomer substrate is used to pre-mount the sensors, making field installation easier, increasing the range of the sensors, allowing strain sensors to measure compression and elongation, and providing a mechanism whereby the sensors can be protected from failure due to excess strain. The sensing range of the sensor is increased by employing an elastomer substrate to which only a portion provides mounting for the fiber, thereby significantly enhancing the dynamic range of the sensor.

REFERENCES:
patent: 4734577 (1988-03-01), Szuchy
patent: 4982611 (1991-01-01), Lorenz et al.
patent: 5126558 (1992-06-01), Rogers, Jr. et al.
patent: 5188983 (1993-02-01), Guckel et al.
patent: 5461927 (1995-10-01), Bobb et al.

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