Process and guidance system for ensuring reliable guidance of a vehicle
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United States of America Patent
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-
Apr 3, 2001
Grant Date -
N/A
app pub date -
May 13, 1998
filing date -
Nov 14, 1995
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A process for guiding a vehicle along a route to a predetermined destination point includes determining a route in the form of consecutive path points which include at least geographic coordinates, determining the linear distance between a current location and the next path point and/or determining a change in the direction of travel between path points or at a path point. The process also provides a departure from route warning if (1) the linear distance is the next path point is more than a predetermined value; (2) a change in direction between path points lies outside of an allowed range or (3) a change in direction at a path point deviates from a target change in direction by more than a predetermined tolerance value.
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