Rail track surface detection system was constructed to detect the rail track surface. The mismatch between the train speed, rail track location and camera trigger speed was solved during the real-time acquisition process about the rail track using optical encoder and GPS module. In our system, optical encoder was used to reflect the train speed and output pulse to externally trigger the line scan high-speed camera exposure. At the same time, another pulse of optical encoder was transmitted to the computer to save the GPS location information. So the rail track images are saved with the track location information.
Rail Track Surface Image Acquisition and Positioning
Applied Mechanics and Materials ; 278-280 ; 1143-1147
2013-01-11
5 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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