System and method for a marine vessel autopilot
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United States of America Patent
Stats
-
Sep 11, 2012
Grant Date -
May 24, 2012
app pub date -
Nov 14, 2011
filing date -
Nov 24, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An autopilot system includes a navigation application for computing angular position and angular turn rate of a pilot line and an autopilot steering application for calculating steering commands for a ship steering device. The pilot line provides directional guidance to a ship and is a vector having one end attached to a point on the ship and a second end pointing to a desired direction. The autopilot steering application receives the computed pilot line angular position and angular turn rate and calculates angular position steering commands for the steering device. The steering commands are calculated by taking into account the difference between the pilot line angular position and the ship's angular position and the difference between the pilot line angular turn rate and the ship's angular turn rate.
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