Method and device for aiding the flow of a craft on the surface of an airport
First Claim
1. A method for aiding the flow of a craft on the surface of an airport subject to local flow constraints, the craft being provided with a geographical locating rig and with an airport database cataloguing the flow surfaces of the airport and the associated local flow constraints, comprising the following steps:
- partitioning of the flow surfaces of the airport into elementary flow constraint zones each enclosing a set of adjoining points subject to the same local flow constraints, identifying the elementary zones and specific flow constraints thereof, detecting encroachment of the craft into the elementary zones, by likening the craft to a girth surface encompassing its current position and by searching for the intersections of a girth surface with a set of elementary zones of the flow surfaces of the airport, and upon each encroachment of the craft into an elementary zone providing a reminder to a commander of the craft, of a flow constraints specific to the elementary zone concerned.
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Abstract
The invention relates to aiding airport navigation by emission of an alert reminding the pilot of a craft moving on the surface of an airport of the circulation constraints encountered locally over his route. The method comprises the following steps: partitioning of the circulation surfaces of the airport into elementary circulation constraint zones each enclosing a set of adjoining points subject to the same local circulation constraints, identifications of the elementary zones and of their specific circulation constraints, detection of the encroachment of the craft into the elementary zones, and upon each encroachment of the craft into an elementary zone, reminder by alert generation, to the commander of the craft, of one at least of the circulation constraints specific to the elementary zone concerned.
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Citations
10 Claims
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1. A method for aiding the flow of a craft on the surface of an airport subject to local flow constraints, the craft being provided with a geographical locating rig and with an airport database cataloguing the flow surfaces of the airport and the associated local flow constraints, comprising the following steps:
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partitioning of the flow surfaces of the airport into elementary flow constraint zones each enclosing a set of adjoining points subject to the same local flow constraints, identifying the elementary zones and specific flow constraints thereof, detecting encroachment of the craft into the elementary zones, by likening the craft to a girth surface encompassing its current position and by searching for the intersections of a girth surface with a set of elementary zones of the flow surfaces of the airport, and upon each encroachment of the craft into an elementary zone providing a reminder to a commander of the craft, of a flow constraints specific to the elementary zone concerned. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A device including a computer system configured for aiding the flow of a craft on the surface of an airport subject to local flow constraints, the craft being provided with a geographical locating rig and with an airport database cataloguing the flow surfaces of the airport and the associated flow constraints, formulating unit for formulating on the basis of the elements of the airport database, a partitioning of the flow surfaces of the airport into elementary flow constraint zones each enclosing a set of adjoining points subject to the same local flow constraints,
an identifying unit for identifying the elementary zones and their specific flow constraints, a formulating unit for formulating a girth surface related to the craft, encompassing its current position, a likening unit for likening the encroachment of the craft into the elementary zones to the intersections of the girth surface with the set of elementary zones of the flow surfaces of the airport and wherein upon each encroachment of the craft into an elementary zone, a generating unit generates an alert reminding the commander of the craft of one of the flow constraints of the elementary zone concerned.
Specification