Optical wheel evaluation
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United States of America Patent
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Jul 21, 2009
Grant Date -
Mar 22, 2007
app pub date -
Jan 4, 2006
filing date -
Sep 16, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A solution for optically evaluating a wheel along at least one circumference of the wheel is provided. Image data is obtained while the wheel moves along a path having a length of at least one circumference of the wheel. The path and/or wheel can be illuminated to enhance the resulting image data. One or more attributes of the wheel are measured based on the image data. The attributes can then be used to detect one or more defects in the wheel. In one embodiment, the wheel is a rail wheel, and a rail segment is illuminated. The rail can be specially configured to enhance a contrast between the rail and the rail wheel and/or to provide a consistent path for the rail wheel to travel.
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