Abstract:
The general field of the invention is that of display devices comprising at least one image projector comprising an image generator, projecting optics and a display screen, the image of said image generator being projected by the projecting optics onto said display screen. The display device according to the invention comprises means allowing the degree of optical transmission and the degree of optical scattering of said display screen to be controlled so as to make it completely transparent or completely scattering, the image being projected only in the latter case.
Abstract:
The general field of the invention is that of avionics systems intended to be used on aircraft in flight above a terrain. The avionics system comprises a display system and a navigation system. The display system comprises a head support equipped with a display device capable of generating images overlaid on said terrain, and a system for detecting posture of said helmet. The display system according to the invention comprises means for displaying a marking symbol in the display device, said symbol determining a given direction. The navigation system comprises geolocation means for said aircraft, a database of cartographic data representative of said terrain and computation means making it possible to determine the location of the area of the terrain arranged at the intersection of said given direction with said terrain, and means for recording and processing said location in the navigation system.
Abstract:
The general field of the invention is that of headset viewing systems comprising at least one headset equipped with a viewing device and a system for detecting posture of said headset with respect to a known reference frame. The viewing system according to the invention comprises a documentary data base and means for displaying and managing said documentary data as a function of the posture of the headset.
Abstract:
The general field of the invention is that of display systems comprising an image projector and an associated display screen, the said display system being designed to be used by an observer situated at a given location, the said display screen comprising two transparent and substantially parallel faces, the said display screen comprising, on at least one of its transparent faces, a plurality of regularly distributed light-scattering patterns. The image projector according to the invention illuminating the screen under a plurality of angles of incidence determined by the position and the size of the display screen, the said angles of incidence being centred on a mean angle of incidence, the scattering patterns comprise a diffractive structure in order to diffract the light rays having at least the mean angle of incidence in one or more directions corresponding to the said given location of the observer.
Abstract:
The present invention relates to a method for estimating an environmental footprint of a flight of an aircraft. The method is implemented by a decentralized electronic estimating system including at least a first entity, a second entity and a third entity, the second entity being distinct from the first entity and the third entity. The method includes receipt, by the second entity, from the first entity, at least one datum relative to the aircraft or its environment during the flight. The method also includes association, by the second entity, of a measurement uncertainty with each datum received by the second entity. The method further includes estimation, by the third entity, of an environmental indicator representative of the environmental footprint, on the basis of at least one datum and of the uncertainty associated with the at least one datum.
Abstract:
A computer assembly for identifying and managing data comprises a server including software providing a determined function transforming input data into output data. The computer system comprises: a first system and a second system, the first system being a critical system; a first digital interface for monitoring the identifier of the data and bidirectionally transmitting data between the server and the critical system; a first physical interface for physically linking the first digital interface with the critical system; a second digital interface for monitoring and bidirectionally transmitting data between the server and the second system; a second physical interface for physically linking the second digital interface with the second system.
Abstract:
A method for communication between an air traffic control system and a communication module, the communication method includes a step of determining environmental optimization time slots based on the air traffic absorption capacities of the various flight information regions, the environmental optimization time slots at least partially covering one or more flight information regions, each environmental optimization time slot having an associated efficiency level; a step of negotiation, between the pilot via the communication module and the air traffic control system, to negotiate changes to the flight plan on the basis of the environmental optimization time slots and the environmental optimization levels of the environmental optimization time slots.
Abstract:
Method for controlling an unmanned aircraft piloted by a fully autonomous control system including a first decision module and a simplex piloting control module including a high-performance controller, a high-safety controller and a second decision module, the high-performance and high-safety controllers determining piloting commands for the robot-aircraft, according to which: —as long as a set of conditions is verified, implementation by the first decision module of a nominal piloting mode with delivery to the output of the automatic control system of the piloting commands delivered to the output of the simplex piloting control module; —otherwise, switching to an emergency piloting mode, an emergency piloting command is delivered to the output of the automatic control system for execution by the robot-aircraft, the first decision module preventing the delivery to the output of the automatic control system of the piloting commands delivered to the output of the simplex module.
Abstract:
The general field of the invention is that of head viewing systems for aircraft comprising a head support, a viewing device, a detection of posture of said head support, means for detecting the current heading of an aircraft and means for graphically generating said heading. The system according to the invention comprises means of control, display and selection of headings arranged so as: to display in response to a first command, a second so-called setpoint heading and a third heading termed a “support heading” corresponding to the direction of the head support in a terrestrial reference frame, said direction given by the information arising from the detection of posture of said head support and the means for detecting the current heading; to replace, in response to a second command, said second heading by said third heading, said third heading thus becoming the new heading setpoint.