Optical monitoring of highly stressed infrastructure and rolling stock modules for railway system operation

Nils M. Theune; Thomas Bosselmann; Michael Willsch; J. Kaiser; H. Hertsch; R. Roeckelein; K. Schleicher; R. Puschmann

doi:10.1117/12.566693

9 June 2004 Optical monitoring of highly stressed infrastructure and rolling stock modules for railway system operation

Nils M. Theune, Thomas Bosselmann, Michael Willsch, J. Kaiser, H. Hertsch, R. Roeckelein, K. Schleicher, R. Puschmann

Proceedings Volume 5502, Second European Workshop on Optical Fibre Sensors; (2004) https://doi.org/10.1117/12.566693
Event: Second European Workshop on Optical Fibre Sensors, 2004, Santander, Spain

Abstract

For the first time online temperature measurements with FBG temperature sensors on railway overhead lines could be demonstrated. All sensors measured successfully under outdoor conditions over a two year period. As a first experimental result the excess temperatures due to current load are small compared to ambient sources of temperature change. In the future this first result will be analyzed under different seasonal and current load conditions. Furthermore the modeling and first field test have demonstrated the possibility to acquire information about the interaction between OCL and current collector via optical strain gauges integrated into conventional current collector strips.

Citation Download Citation

Nils M. Theune, Thomas Bosselmann, Michael Willsch, J. Kaiser, H. Hertsch, R. Roeckelein, K. Schleicher, and R. Puschmann "Optical monitoring of highly stressed infrastructure and rolling stock modules for railway system operation", Proc. SPIE 5502, Second European Workshop on Optical Fibre Sensors, (9 June 2004); https://doi.org/10.1117/12.566693

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