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An embedded dual fiber Bragg gratings sensor for temperature and strain discrimination is proposed and demonstrated. Two nearly identical gratings are mounted opposite side of an arch-shape steel strip. The gratings in concave and convex position experiences equal blue and red shift due to bending of the strip under compressive and tensile strains respectively. The thermal response and strain response...
A temperature compensation method of measuring transverse load on a beam using fiber Bragg grating (FBG) sensors is proposed. FBG sensors have been used to measure strain at two positions as a function of load on a cantilever. The theoretical analysis was also carried out under the same conditions and the experimental results were in close agreement with the theoretical predictions. The temperature...
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