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15 February 1989 Automatic Inspection Of Railway Overhead Wires
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Proceedings Volume 1010, Industrial Inspection; (1989) https://doi.org/10.1117/12.949225
Event: 1988 International Congress on Optical Science and Engineering, 1988, Hamburg, Germany
Abstract
For the Netherlands railway company a system for inspection of the degree of wear of the contact wires is being developed. With an active sensor the reflective under-surface of the overhead wire is illuminated with a laserbeam and reflected radiation is detected by fast CCD detectors. With the sensor at a train speed of 90 km/hr. every cm of max. 4 overhead wires will be inspected, determining the wire thickness and the appearance of holes caused by local sparks. For illumination and detection a special optical system has been developed. From the railway inspection waggon measurements have been performed with a prototype system, demonstrating the feasibility of the measuring principe.
© (1989) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
C. Smorenburg and A. L.G. van Valkenburg "Automatic Inspection Of Railway Overhead Wires", Proc. SPIE 1010, Industrial Inspection, (15 February 1989); https://doi.org/10.1117/12.949225
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