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Proceedings Paper

Optical monitoring of highly stressed infrastructure and rolling stock modules for railway system operation
Author(s): Nils M. Theune; Thomas Bosselmann; Michael Willsch; J. Kaiser; H. Hertsch; R. Roeckelein; K. Schleicher; R. Puschmann
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Paper 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.

Paper Details

Date Published: 9 June 2004
PDF: 4 pages
Proc. SPIE 5502, Second European Workshop on Optical Fibre Sensors, (9 June 2004); doi: 10.1117/12.566693
Show Author Affiliations
Nils M. Theune, Siemens AG (Germany)
Thomas Bosselmann, Siemens AG (Germany)
Michael Willsch, Siemens AG (Germany)
J. Kaiser, Siemens AG (Germany)
H. Hertsch, Siemens AG (Germany)
R. Roeckelein, Siemens AG (Germany)
K. Schleicher, Siemens AG (Germany)
R. Puschmann, Siemens AG (Germany)


Published in SPIE Proceedings Vol. 5502:
Second European Workshop on Optical Fibre Sensors
Jose Miguel Lopez-Higuera; Brian Culshaw, Editor(s)

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