Publication: Fibre-optic weigh-in-motion sensor
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Elsevier Science BV
This paper presents a fibre-optic sensor to measure weight in motion based on a multiple fibre-optic interferometer. The differential phase between the arms of the interferometer produced by the pressure is compensated by a feedback system, thus converting pressure into voltage. This sensor can be used to separate the induced phase changes produced by two measurands acting simultaneously on the sensing arm. Results are presented that show the linearity of the detection scheme.
© 1994 Published by Elsevier B.V. Eurosensors (7º. 1993. Budapest, Hungría).