Monitoring Large Railways Infrastructures Using Hybrid Optical Fibers Sensor Systems

• Published in: IEEE transactions on intelligent transportation systems Vol. 21; no. 12; pp. 5177 - 5188
• Main Authors: Velha, Philippe, Nannipieri, Tiziano, Signorini, Alessandro, Morosi, Mirko, Solazzi, Massimiliano, Barone, Francesco, Frisoli, Antonio, Ricciardi, Luca, Eusepi, Ricardo, Icardi, Marco, Recchia, Giuseppe, Lupi, Margherita, Arcoleo, Giuseppe, Firmi, Paola, Di Pasquale, Fabrizio
• Format: Journal Article
• Language: English
• Published: New York IEEE 01.12.2020; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Bragg grating; Bragg gratings; Condition monitoring; Defects; Electromagnetic interference; False alarms; Fiber gratings; Fiber optics; Finite element analysis; Hybrid systems; Intelligent sensors; Landslides; Optical fiber; Optical fiber sensors; Optical fibers; railway engineering; railway safety; Railway tracks; Railway transportation; Raman scattering; Remote monitoring; Remote sensors; Sensors; Temperature sensors; Thresholds; Viaducts

In this paper we propose a hybrid fiber optics sensor system, based on Fiber Bragg Gratings (FBG) and Raman distributed temperature sensing (RDTS), for monitoring essential sites within large railway infrastructures like bridges, viaducts and slopes potentially subject to landslides. The geometrical...