METHOD FOR DETERMINING RELATIONAL SPEED AND POSITION IN AN AIRCRAFT EQUIPPED WITH A LANDING GEAR DRIVE WHEEL
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United States of America Patent
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Issued Date -
Sep 19, 2013
app pub date -
Mar 13, 2013
filing date -
Mar 16, 2012
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Abstract
A method is provided for determining a relational speed and position of two moving components, preferably an aircraft landing gear drive wheel, a component of the drive wheel, a drive means driving the landing gear drive wheel, or a component of the drive means, using fiber optic technology. Speed and positional information relating to the relative positions of a part of a landing gear drive wheel and a part of a drive means driving the drive wheel can be obtained to ensure their proper engagement or interaction. A single optical fiber preferably provides information relating to drive wheel speed, drive means speed, drive wheel position, and drive means position, therefore enabling efficient autonomous ground travel of an aircraft equipped with this system. The present method can also be employed to monitor aircraft wheel speed in aircraft that use thrust from the engines to move an aircraft on the ground.
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