System and method for the navigation of a movable vehicle, suitable for determining and displaying a safe navigation zone
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United States of America Patent
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May 30, 2017
Grant Date -
Jun 16, 2016
app pub date -
Oct 16, 2013
filing date -
Oct 19, 2012
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Abstract
A system and a method for the navigation of a mobile vehicle, suitable for determining and displaying a safe navigation zone for the mobile vehicle. The navigation system includes a dead reckoning navigation system (10), a calculator (50), a storage memory (60), an embedded sensor (20), and an electronic mapping system (70). The calculator (50) is suitable for calculating an estimated position of the mobile vehicle from speed and/or acceleration measurements and a comparison of the measurement of an environmental parameter with a geographical database. The calculator (50) is suitable for calculating the probability density of the presence of the mobile vehicle around each point on the map in order to deduce a safety zone (12) corresponding to a presence probability higher than, or equal to, a pre-determined threshold p.
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