Apparatus and method for improving the safety of railroad systems
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United States of America Patent
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Apr 16, 2002
Issued Date -
N/A
app pub date -
Nov 5, 1999
filing date -
Mar 3, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and method for improving the safety of railroad systems of the present invention includes a system for navigating a railroad vehicle over railroad tracks. An attitude sensor is used to dynamically sense the attitude of the railroad vehicle as it travels over a set of railroad tracks. By sensing the attitude of the railroad vehicle, a determination of the condition of the railroad tracks can be made. The apparatus also sensed the position of the railroad vehicle in real time to correlate the sensed attitude with a precise position along the railroad tracks. The navigation system is capable of determining a highly accurate position of the vehicle in real time. The position of the vehicle is also used to navigate the railroad vehicle.
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