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5 December 2005 A new vehicle axle detector for roadways based on fiber optic Mach-Zehnder interferometer
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Proceedings Volume 6019, Passive Components and Fiber-based Devices II; 60194F (2005) https://doi.org/10.1117/12.634102
Event: Asia-Pacific Optical Communications, 2005, Shanghai, China
Abstract
In this paper, the feasibility of a new vehicle axle detector for roadways based on fiber optic Mach-Zehnder interferometer was evaluated. This new vehicle axle detector used in this study has a relatively simple sensing principle. Thus the system can be composed of inexpensive and reliable components for the application to transportation system compared with the traditional vehicle axle detectors. The configuration and performance of the new vehicle axle detector was described. The process of conversion of the detected interferometer sensor signal into the weight of a vehicle axle was proposed. Simulating results show that the sensing response of the embedded fiber optic vehicle axle detector based on Mach-Zehnder interferometer can meet the requirements of a vehicle axle detector. In addition, a high-speed signal processing system was designed for the interferometer. The new vehicle axle detector has good potential as a basic sensor unit which can be widely used in ITS to detect the vehicle axle weight and identify the type of a vessel which passes over the detector.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ying Wang, Qifeng Wu, Mudi Xiong, and Rongxi He "A new vehicle axle detector for roadways based on fiber optic Mach-Zehnder interferometer", Proc. SPIE 6019, Passive Components and Fiber-based Devices II, 60194F (5 December 2005); https://doi.org/10.1117/12.634102
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