Mobile fiber-optic Bragg sensor for monitoring axles of vehicles in urban traffic

Michael Fridrich; Marcel Fajkus; Michal Kostelanský; Jan Jargus

doi:10.1117/12.2635700

2 November 2022 Mobile fiber-optic Bragg sensor for monitoring axles of vehicles in urban traffic

Michael Fridrich, Marcel Fajkus, Michal Kostelanský, Jan Jargus

Proceedings Volume 12272, Electro-Optical Remote Sensing XVI; 122720I (2022) https://doi.org/10.1117/12.2635700
Event: SPIE Security + Defence, 2022, Berlin, Germany

Abstract

This paper describes the proposal, manufacture, and overall testing of a portable measuring sensor based on the fiber-optic Bragg grating (FBG). The sensor is made of two-component silicone rubber (ZA 50 LT) and can be used to monitor the density of car traffic in cities at a maximum speed of 60 kph in one lane. The construction of the sensor, which is over 2 m long and 1.8 cm wide, contains optical fiber with FBG encapsulated in a carbon tube and allows the detection of individual vehicle axles. Functional verification of the sensor was performed in real traffic on overall 761 vehicles (various types) with a high detection success rate of 97.19 %.

Citation Download Citation

Michael Fridrich, Marcel Fajkus, Michal Kostelanský, and Jan Jargus "Mobile fiber-optic Bragg sensor for monitoring axles of vehicles in urban traffic", Proc. SPIE 12272, Electro-Optical Remote Sensing XVI, 122720I (2 November 2022); https://doi.org/10.1117/12.2635700

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