Method for determining an instantaneous or anticipated probable zone of occupancy of an aircraft in an airport navigation zone

摘要

The general field of the invention is that of methods for determining safety zones surrounding an aircraft travelling or taking off from an airport zone, the safety zone being calculated at a determined instant that may be the present instant or the future instant. The method according to the invention comprises at least the following steps:
Step 0: Establishment of a convex safety envelope surrounding the aircraft on the basis of reference points taken on the aircraft;Step 1: Establishment of a first convex envelope safety zone surrounding the aircraft on the basis of reference circles taken on the aircraft, each circle having as center one of the reference points and as radius the value of the uncertainty in the exact position of the aircraft.;Other steps of the method make it possible to refine this first safety zone depending on whether the aircraft is in a taxiing or takeoff phase and depending on whether it is calculated at the present instant or at the future instant.

主权项

1. A method for determining a safety zone surrounding an aircraft taxiing around an airport or taking off from an airport zone at a determined instant, the method comprising:
establishing, by an avionics system, a convex safety envelope surrounding the aircraft based on reference points taken on the aircraft, wherein the reference points are situated at extremities of the aircraft, wherein at least one of the reference points corresponds to a front extremity of a fuselage of the aircraft, wherein at least one of the reference points corresponds to extremities of wings of the aircraft, and wherein at least one of the reference points corresponds to a tailplane of the aircraft; and establishing, by the avionics system, a first convex safety zone surrounding the aircraft based on reference circles taken on the aircraft, each circle having a center that is one of the reference points and a radius that is equivalent to a value of a measurement uncertainty of a position of the aircraft, wherein the value is larger than one meter.