Boots – shoes – and leggings
Patent
1995-07-19
1997-07-08
Teska, Kevin J.
Boots, shoes, and leggings
G05D 100
Patent
active
056468555
ABSTRACT:
A method is provided for navigating a vehicle. Waypoint exclusion zones are efined as circles whose centers are known-position waypoints. The vehicle is steered along a path that is tangential to the "current" waypoint exclusion zone. This path that is maintained until a relative bearing between the vehicle and a center of the current waypoint exclusion zone is at least 90.degree. if the path is left of the center of the current waypoint exclusion zone, and at most -90.degree. if the path is right of the center of the current waypoint exclusion zone. When either of these conditions is met, the vehicle is located along the circle of the current waypoint exclusion zone. The vehicle is then advanced along the circle of the current waypoint exclusion zone until a heading of the vehicle matches a heading of a path that: is tangential to the "next" waypoint exclusion zone. When the heading of the vehicle matches the heading of the path that is tangential to the next waypoint exclusion zone, the next waypoint exclusion zone becomes the current waypoint exclusion zone for carrying out the steering, maintaining and advancing of the vehicle.
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Hills Stacy J.
Jones Gregory B.
Shaw Christopher
Kasischke James M.
Lall Prithvi C.
McGowan Michael J.
Teska Kevin J.
The United States of America as represented by the Secretary of
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