Emergency Medical Services and Military Missions require helicopter capabilities to operate in unknown areas with reduced visibility and the risk of obstacle collision. This paper presents a 4D-trajectory algorithm developed at Eurocopter Deutschland, which allows an online optimized trajectory planning considering also operational constraints. A second algorithm is introduced to avoid short term unknown obstacles during a mission while following a pre-planned route. Simulation results are presented verifying the applicability of the algorithm. An advanced flight management system (AFMS), a new Data Link system, an active obstacle detection sensor and new Flight Management and Guidance Displays are the main features of the system especially addressing the 4D-flight guidance aspects for low level flight. The AFMS allows the crew during flight to modify start, approach and landing phases of a created route. The exchange of weather, airspace and route information between the airborne system and a simulated air traffic control and weather stations was realised by a SatCom system. This feature provides the capability to adapt the flight profile during the mission in a cooperative manner.
Helicopter low level flight using trajectory planning and obstacle avoidance
Hubschraubertiefflug mittels Flugbahnplanung und Hindernisvermeidung
2006
10 Seiten, 17 Bilder, 5 Quellen
Conference paper
English
Hubschrauber , Flug , Bahnplanung , Flugbahn , Militärflugzeug , Arzt , Algorithmus , Optimierung , Online-Verarbeitung , Anwendbarkeit , Simulation , Datenübertragung , Sensor , Nachweiseinrichtung , Display , Witterung
Optimal trajectory planning for small-scale unmanned helicopter obstacle avoidance
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