Multi-Path Automatic Ground Collision Avoidance System for Performance Limited Aircraft with Flight Tests: Project Have Medusa
Multi-Path Automatic Ground Collision Avoidance System for Performance Limited Aircraft with Flight Tests: Project Have Medusa
- Neue Suche nach: K. C. Gahan
- Neue Suche nach: K. C. Gahan
A multi-path Auto-GCAS for performance limited aircraft was developed and improved to prevent controlled flight into terrain. Research includes flight test results from the USAF TPS Project Have Multi-Path Escape Decisions UsingSophisticated Algorithms (MEDUSA). The tested Rapidly Selectable Escape Trajectory (RSET) system included 5-paths which continuously updated at a rate of up to 12.5 Hz. The research employed Level 1 DTED as the offending terrainand an 18 DoF Stitched aerodynamic model to create terrain avoidance paths based on the aircraft's state and location. The system then triggered when all paths predicted collision with the DTED and automatically activated the path which had the longest time until impact. A buffer of 200 ft added to the DTED to allowed for processing and execution of the maneuver. Path prediction error (PPE) was larger than expected for the 30-second path predictions. At 12.5 Hz theRSET system avoided terrain in all cases tested and was able to achieve and maintain target load factor and flight path angle with momentary overshoots, and showed no tendency for nuisance activations. Hand-back was favorable.
Dokumentinformationen
Multi-Path Automatic Ground Collision Avoidance System for Performance Limited Aircraft with Flight Tests: Project Have Medusa
2019
235 pages
Report
Keine Angabe
Englisch
Aeronautics , Flight testing , Collision avoidance systems , Warning systems , Terrain avoidance , Fighter aircraft , Algorithms , Terrain awareness and warning systems , Ground proximity warning systems , Flight crews , Multi-path , Auto-gcas(automatic ground collision avoidance system) , Controlled flight into terrain , Safety , Test pilot school , Calspan learjet vss , Matlab , Simulink , Rapidly selectable escape trajector , Rset(rapidly selectable escape trajectory) , Have medusa(have multi-path scape decisions using sophisticated algorithms) , Stitched model , Dted(digital terrain elevation data) , Path prediction error
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