METHOD AND DEVICE FOR THE REAL TIME DETECTION OF THE STATE OF OCCUPATION OF RAILROAD SECTIONS BASED ON FBG SENSORS

摘要

Method and device for the real time detection of the state of occupation of railroad sections, said device comprising: an elastic holder (4) adapted to be inserted in a hole (1) of the web of the rail track, at least one Fiber Bragg Grating (FBG) sensor (3) fixedly attached to said elastic holder (4) and a fiber optic link (6) connected to said at least one Fiber Bragg Grating (FBG) sensor (3).