Aircraft identification and docking guidance systems

G - Physics – 06 – K

Patent

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G06K 9/78 (2006.01) G08G 5/06 (2006.01)

Patent

CA 2389205

A laser range finder (LRF) (20) is used to identify an aircraft (12) approaching a gate. The LRF (20) is directed at the aircraft (12), and from the echoes, a profile is derived and compared to known profiles. To distinguish among aircraft (12) with similar profiles, the LRF is directed at a volume in which a feature such as an engine is expected and at another volume in which the engine is not expected. The echoes from the two volumes are used to determine whether the engine is in its expected location. If so, the aircraft (12) is identified as the correct type and is allowed to dock at the gate (16). Otherwise, the aircraft (12) is stopped. The nose height can be used as yet another identifying criterion.

L'invention concerne un télémètre laser (20) utilisé pour identifier l'approche d'un aéronef (12) à un poste de stationnement. Ce télémètre laser (20) dirigé vers l'aéronef (12) permet de déduire à partir des échos un profil qui est comparé à des profils connus. Afin de faire la distinction entre des aéronefs (12) présentant des profils semblables, le télémètre laser est dirigé vers un volume supposé présenter une caractéristique, notamment un moteur et vers un autre volume supposé ne pas présenter de moteur. Les échos provenant des deux volumes sont utilisés pour déterminer si le moteur se trouve à l'emplacement supposé. Le cas échéant, l'aéronef (12) est identifié comme étant correct et peut donc atterrir au poste de stationnement (16). Dans le cas contraire, l'aéronef (12) est détenu. Un autre critère d'identification peut être la hauteur du bruit.

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