System and method of determining strain

Details System and method of determining strain System and method of determining strain

1996-04-15

1998-10-06

Chilcot, Richard

Measuring and testing

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

By loading of specimen

73794, 73762, G01L 124

Patent

active

058179453

ABSTRACT:
A system (50) for determining strain includes: a stimulating light source (54, 56); a device (64) for placing stress on an object (58); a number of local strain gauges (66) attached to the object (58); and an image capturing device (62, 64). A controller (52) is coupled to the stimulating light source (54, 56) and has a signal that turns on the stimulating light source (54, 56). The controller (52) receives a strain signal from each of the local strain gauges (66) located on the object (58). The controller (66) has an image signal that determines when the image capturing device (62, 64) captures an image.

REFERENCES:
patent: 3715915 (1973-02-01), Williams
patent: 4849668 (1989-07-01), Crawley et al.
patent: 5394752 (1995-03-01), Reda
patent: 5490426 (1996-02-01), Shiga et al.
patent: 5546811 (1996-08-01), Rogers et al.
patent: 5559358 (1996-09-01), Burns et al.

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