Abstract
Instrumentation techniques, implementation and installation methods are major concerns in today’s distributed and quasi-distributed monitoring applications using fiber optic sensors. Although many successful traffic monitoring experiments have been reported using Fiber Bragg Gratings (FBGs), there has been no standardized solution proposed so far to have FBG seamlessly implemented in roads. In this work, we investigate a mobile platform including FBG sensors that can be positioned on roads for the purpose of vehicle speed measurements. The experimental results prove the efficiency of the proposed platform, providing a perspective toward weigh-in-motion systems.
Highlights
Today’s technology companies, entrepreneurs, and local governments have been focusing on the phenomenon of “smart city” in the focus of attention for the purpose of improving the quality of life for citizens [1]
Through real-time field trials, usage of Fiber Bragg Gratings (FBGs) sensors has already been demonstrated as a feasible solution for traffic surveillance in railways [2,3], damage detection of highway bridges under traffic flow [4], monitoring old tunnels, weighing vehicles [5,6], and asphalt pavement analysis and design [1,7]
Realizing field tests concerning the application of Fiber Bragg Grating sensors is of crucial importance for the monitoring of both railways [10,11] and roads [12,13,14]
Summary
Today’s technology companies, entrepreneurs, and local governments have been focusing on the phenomenon of “smart city” in the focus of attention for the purpose of improving the quality of life for citizens [1]. One of the most important implications of this approach in operating, monitoring, and assessment systems is the integration of fiber optic sensors into smart-city infrastructures. In this context, Fiber Bragg Gratings (FBGs) have been shown as capable of being the nervous system of infrastructures due to the many advantages of these mass-producible intrinsic sensing devices. Fiber Bragg Gratings (FBGs) have been shown as capable of being the nervous system of infrastructures due to the many advantages of these mass-producible intrinsic sensing devices The advantages include their inherent wavelength-encoded demodulation feature, resistance to electromagnetic interference, great configurability with multiplexing capability (several tens of cascaded sensors at different wavelengths within a single optical fiber can be interrogated using only one piece of equipment), remote operation, passive and lightning/corrosion-resistive nature, as well as their small size. Through real-time field trials, usage of FBG sensors has already been demonstrated as a feasible solution for traffic surveillance in railways [2,3], damage detection of highway bridges under traffic flow [4], monitoring old tunnels, weighing vehicles [5,6], and asphalt pavement analysis and design [1,7].
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