Systems and methods for automatically trailering a marine vessel on a boat trailer
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United States of America Patent
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Feb 27, 2018
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app pub date -
Dec 13, 2016
filing date -
Dec 13, 2016
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Abstract
A system for automatically trailering a marine vessel includes a set of coded tags coupled to a boat trailer, each storing data regarding its location on the trailer. A tag reader is located aboard the vessel, and estimates a first distance to a first coded tag in the set and a second distance to a second coded tag in the set. A position determination module uses the first and second estimated distances to determine position and heading of the vessel and the trailer in a given coordinate system. A feedback control module calculates a difference between the positions of the vessel and the trailer and a difference between the headings of the vessel and the trailer and determines vessel movements required to minimize the position and heading differences. A marine propulsion system automatically actuates a propulsion device to produce the required vessel movements to propel the vessel onto the trailer.
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