Thales

Michel Roger

Guy Deker

Christophe Pierre

Hervé Goutelard

Christophe Caillaud

Bruno Aymeric

Jérôme Sacle

Vincent Savarit

Guillaume Meulle

Bertrand Barnetche

Alexandre Darbois

Amandine Audouy

Emmanuel Roux

Norbert Baloche

Valérie Bataillon

Adrien De Jaureguiberry

Marion Chaillou

Clément Victor Huber

Fabien Chovin

Mathieu Orvain

Enrique Laso-Leon

In the field of air navigation, a computer-implemented method includes loading an initial active flight plan for an aircraft comprising a first approach procedure to a runway up to a missed approach point ending between the missed approach point and a final point; loading a secondary flight plan comprising an approach procedure to the runway between the missed approach point and the runway, and a second missed approach procedure at the end of the approach, and ending at a second final point; receiving an instruction from an operator of the aircraft to link the initial active flight plan and the secondary flight plan; in the event of a go-around by the operator at the latest at the missed approach point, activating the missed approach procedure; otherwise, automatically selecting the secondary flight plan as active flight plan and activating the second approach.

Automatic selection of an aircraft flight plan in the approach phase

A computer-implemented method for optimizing a mission of an aircraft, the aircraft having a predefined flight plan between a starting point and an arrival point, the flight plan comprising a set of waypoints. The method comprises steps of: calculating, for the aircraft, a reference trajectory between the starting point and the arrival point, the reference trajectory comprising a set of segments and of intermediate points linking the segments of the reference trajectory; defining a search area in the reference trajectory between an initial position and a final position to be reached for this area; determining, in the search area, all possible shortcuts between the initial position and the final position, a shortcut being able to take into account any type of point, points of the flight plan and/or intermediate points of the reference trajectory; and identifying the combination of shortcuts corresponding to an optimum path according to an optimization criterion, the optimum path optimizing the mission of the aircraft in the search area.

Device and method for managing aircraft systems

Automatic flight information determination device for automatically determining flight control information for an accompanying mobile machine accompanying a leader mobile machine, said device being adapted for collecting the location data of the leader mobile machine from among the actual location data derived from measurements relating to the current location of the leader mobile machine and the current trajectory data of the accompanying mobile machine, and of determining, on the basis of said location data collected, the information items for piloting the accompanying mobile machine as a function of a set of at least two values to be adhered to with respect to the location defined by the data collected, said values to be adhered to being representative of the values included among: a minimum vertical/flight level separation value, a minimum longitudinal/along track separation value, and a minimum lateral/between tracks separation value.

Electronical device, and method, for automatically determining piloting information of a mobile machine accompanying a leader mobile machine, associated computer program

This method for managing the flight of an aircraft in a visual approach phase to a runway is implemented by an electronic flight management system and comprises:

Method and electronic system for managing the flight of an aircraft in a visual approach phase to a runway, related computer program

A method is provided for calculating the prediction of required navigation performance for a trajectory associated with a list of segments of a flight plan. A method is also provided for displaying the navigation performance as a corridor trajectory and adapted to guarantee compliance with the navigation performance requirements while offering immediate viewing of the navigation latitude in a corridor.

Device and method for calculating required navigation performance prediction

The invention relates to a method () for tracking a target (), using an electronic target tracking system () on board a drone (), the method () comprising at least determining () a movement trajectory of the drone (), the trajectory comprising a plurality of successive orbits respectively centered on a plurality of successive positions (C) of the target (), the orbit radius being able to vary, from one successive orbit to another, based on at least one element belonging to the group comprising:

Target tracking method performed by a drone, related computer program, electronic system and drone

A method for automatically calculating a trajectory for an aircraft to re-join a reference route of the aircraft executed iteratively, in particular when the aircraft is no longer locked onto its reference route, each iteration comprising a step of detection of deviation from the active segment of the route; if the deviation from the active segment of the route is detected, the method comprises a step of selection of a route segment to be re-joined, a step of calculation of a re-joining trajectory between a starting point and the route segment to be re-joined, and a step of validation of the trajectory of the route segment to be re-joined. Where this trajectory is validated, the method comprises a step of assignment of the re-joining trajectory for the segment to the re-joining trajectory for the route. Otherwise, it comprises a step of verification of the existence of a next route segment fulfilling a selection condition. If a next route segment fulfils a selection condition, it comprises a step of selection of the next route segment as route segment to be re-joined, and a return to the step of calculation of a re-joining trajectory for the route segment to be re-joined. If no route segment fulfils the selection condition, it comprises a step of application of an exit procedure. A computer program for implementing this method is provided.

Method for automatically re-joining a route of an aircraft

A method, computer program and system are provided for calculating in an automatic manner a trajectory for rejoining a reference vertical profile of an aircraft. A reference vertical profile comprises a set of vertical constraints, and a method comprises a step of selecting an altitude constraint to be complied with, a step of calculating a vertical-profile prediction making it possible to comply with the constraint, a step of validating the vertical-profile prediction, if the vertical-profile prediction is validated, a step of applying the vertical-profile prediction, otherwise a step of determining the existence of a following altitude constraint to be complied with; if a following altitude constraint exists: a step of selecting a following altitude constraint to be complied with; a return to the step of detecting non-compliance with an altitude constraint; otherwise, a step of applying an exit procedure.

Method for automatically rejoining a reference vertical profile of an aircraft

A method is provided for calculating the estimated navigation performance prediction for a trajectory associated with a list of segments of a flight plan. A method for displaying the navigation performance in a corridor trajectory so as to guarantee compliance with the navigation performance requirements while offering immediate viewing of the navigation latitude in a corridor is also provided.

Device and method for calculating estimated navigation performance prediction

A method of flight management and guidance of an aircraft executed by a flight management system FMS comprises the steps of: generating a reference trajectory, generating a short-term trajectory, periodically transmitting the short-term trajectory, generating a long-term trajectory, formatting the segments of the long-term trajectory, periodically transmitting the long-term trajectory, storing the long-term trajectory transmitted, testing the validity of the FMS sub-assembly, when the FMS sub-assembly is valid: identifying, by the autonomous guidance module, the active segment of the short-term trajectory, generating, by the autonomous guidance module, a first flight guidance order on the basis of the active segment of the short-term trajectory; when the FMS sub-assembly is not valid: identifying, by the autonomous guidance module, the active segment of the stored trajectory, generating, by the autonomous guidance module, a second flight guidance order on the basis of the active segment of the stored trajectory.

Method and system for guidance of an aircraft

A method of error detection of a flight management system coupled with a guidance of an aircraft according to a flight plan, comprises the steps of: generating a first reference guidance order, monitoring the integrity of the first reference position, when the first reference position is not monitored as being dependable: invalidating the first FMS assembly and the associated guidance system, when the first reference position and the first reference trajectory are monitored as being dependable: generating a first monitoring guidance order, generating a first reference flight control, generating a first monitoring flight control, in monitoring the integrity of the first reference guidance order when the first reference guidance order is not monitored as being dependable: invalidating the first FMS assembly and the associated guidance.

Method of error detection of an aircraft flight management and guidance system and high-integrity flight management and guidance system

A method and system, for flight management of an aircraft flying on a trajectory shifted with respect to a flight plan comprising a plurality of constrained waypoints, comprises a step of determining and displaying at least one point of the trajectory, termed decision point, beyond which the aircraft can no longer rejoin a constrained waypoint of the flight plan by determining a point of intersection between the trajectory and a rejoining trajectory steering towards the selected constrained waypoint, the rejoining trajectory complying with at least one predefined criterion.

Flight management method and system

A method for creating a vertical trajectory profile of an aircraft by optimization of a criterion representative of a flight cost, comprises: performing a first iterative computation of a profile free of altitude constraints as long as a condition dependent on the criterion is not reached, replacing each free level of the constraint-free profile with a permitted level so as to generate an initial constrained profile comprising a plurality of permitted levels, and, for each level, an altitude change point and a plurality of speeds, and performing a second iterative computation of a profile in which the altitude levels to be reached remain constant, equal to the initial permitted levels of the initial constrained profile, as long as a condition dependent on the criterion is not reached.

Method for creating a vertical trajectory profile comprising multiple altitude levels

An onboard flight management system in an aircraft comprises means for continuously calculating first geolocation data, from data received from at least one external geolocation device, comprising a current position and future positions of an aircraft along a trajectory sequenced in several portions and comprising second data comprising demands required by an international navigation procedure called 'Required Navigation Performance', or RNP, for all the portions of the trajectory. The management system additionally comprises a means for displaying first and second data all the way along the trajectory, the first and second data being represented graphically and simultaneously on the said display means in order to enable the pilot to anticipate the flight characteristics for the aircraft and make them converge toward the required demands of the next trajectory portion.

System for anticipating required navigation performance

A device for displaying a flight plan of an aircraft is disclosed. The device includes a control unit with at least one first display area including a textual list of identifiers of points, a textual list of identifiers of segments, or both that are representative of a portion of the flight plan. A display of the textual lists are centered around a current central display point, the current central display point corresponding to a point of the flight plan or a segment of the flight plan. The device further includes means for displacing by jumps the flight plan portion displayed in the first display area by selecting a new point different from the current central display point, the selected new point becoming a new central display point after selection thereof.

Growing community of inventors

Toulouse, France

Michel Roger