A new approach for structural health and conditions monitoring of trains and railway tracks using fibre Bragg grating sensing networks will be described. Track-borne fibre Bragg grating sensing networks are used to monitor moving trains whereas fibre-Bragg grating sensing systems installed on passenger trains are used to monitor track condition as well as critical train components, including pantograph-catenary interactions. This approach minimizes capital investment to monitor extensive railway networks for safety and maintenance purposes.

© 2016 Optical Society of America

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