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Proceedings Paper

Fiber optic weigh-in-motion sensor: correlation between modeling and practical characterization
Author(s): Stephane R. Teral; Simon J. Larcher; Jean-Marie Caussignac; Mohamed Barbachi
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Paper Abstract

This paper shows the way to turn a defect inherent to single-mode fiber, namely birefringence, into a prime quality for a powerful and reliable sensor. The latter is entirely devoted to weigh- in-motion (WIM) applications extended to complete active traffic management systems. After a brief description of the sensor and its principle of operation, the theoretical model is developed. Then, a full characterization made in both static and dynamic conditions is presented. The results obtained illustrate how it is difficult to interpret a weight measured in dynamic conditions and correlate the value with the static weight.

Paper Details

Date Published: 30 May 1996
PDF: 10 pages
Proc. SPIE 2718, Smart Structures and Materials 1996: Smart Sensing, Processing, and Instrumentation, (30 May 1996); doi: 10.1117/12.240881
Show Author Affiliations
Stephane R. Teral, Alcatel Contracting (France)
Simon J. Larcher, Applications Mathematiques et Logiciel (France)
Jean-Marie Caussignac, Lab. Central des Ponts et Chaussees (France)
Mohamed Barbachi, Lab. Central des Ponts et Chaussees (France)


Published in SPIE Proceedings Vol. 2718:
Smart Structures and Materials 1996: Smart Sensing, Processing, and Instrumentation
Kent A. Murphy; Dryver R. Huston, Editor(s)

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