Methods for adjusting a relative navigation system
First Claim
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1. A method of stabilizing a grid projected from a grid generator of a relative navigation system, with the grid generator defining a reference frame, the method comprising:
- repeatedly projecting into space from the grid generator a plurality of lines defining a grid, with the lines encoded with grid data configured to identify predetermined points on the grid;
between a prior grid projection and a subsequent grid projection of the repeated grid projections, determining a change in a reference frame of the grid generator relative to the prior grid projection; and
based on the determined change, altering the grid data of the subsequent grid projection such that the subsequent grid projection appears stabilized relative to the prior grid projection.
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Abstract
A relative navigation system projects a grid into space from a grid generator and an object, such as an unmanned aerial vehicle, may use the projected grid to aid in the landing of the object. Methods of adjusting the projected grid including stabilizing the projected grid and orienting the grid generator relative to the earth.
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Citations
15 Claims
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1. A method of stabilizing a grid projected from a grid generator of a relative navigation system, with the grid generator defining a reference frame, the method comprising:
- repeatedly projecting into space from the grid generator a plurality of lines defining a grid, with the lines encoded with grid data configured to identify predetermined points on the grid;
between a prior grid projection and a subsequent grid projection of the repeated grid projections, determining a change in a reference frame of the grid generator relative to the prior grid projection; and
based on the determined change, altering the grid data of the subsequent grid projection such that the subsequent grid projection appears stabilized relative to the prior grid projection. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- repeatedly projecting into space from the grid generator a plurality of lines defining a grid, with the lines encoded with grid data configured to identify predetermined points on the grid;
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11. A method of orienting relative to earth a grid generator for a relative navigation system, the method comprising:
- leveling, the grid generator;
determining a heading of the grid generator relative to a reference direction; and
projecting from the grid generator a plurality of lines defining a grid along a predetermined heading. - View Dependent Claims (12, 13, 14, 15)
- leveling, the grid generator;
Specification