METHOD AND APPARATUS FOR CONTROLLING STRAIGHT LINE TRAVEL OF A TRACKED MACHINE
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United States of America Patent
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Sep 3, 2002
Grant Date -
Sep 19, 2002
app pub date -
Mar 19, 2001
filing date -
Mar 19, 2001
priority date (Note) -
Granted
status (Latency Note)
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Abstract
A method and apparatus for controlling straight line travel of a tracked machine having a left track and a right track. The method and apparatus includes initiating a straight line travel mode of the tracked machine, determining an initial heading angle of a heading sensor located on the tracked machine, sensing a deviation in heading angle from the initial heading angle as the tracked machine travels, determining a heading angle error in response to the deviation in heading angle, and adjusting the speed of at least one of the left and right tracks to compensate for the heading angle error.
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