sky-scanner: time-critical decision support system surveilling aircraft landing and take-off...
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SKY-Scanner:time-critical decision support
system surveilling aircraft landing and take-offKristina Lapin
Vilnius University, Lithuania
FP6 project title: “Development of an Innovative LIDAR Technology for New Generation ATM Paradigms”
Work package 9:1. Modelling paradigm2. Model and data definition features3. Model and data management features 4. Analytical methods and visual representations5. User interfaces6. Model and data interchange features
INO Workshop, December 7-9, 2010 2
INO Workshop, December 7-9, 2010
Project background• Radars
– insufficient accuracy at low altitudes • Lidar — laser radar
– exact, when directly targeted
SKY-Scanner DSS
Radar data
Lidar data
Position, risks, actions
Airport proceduresRules of air traffic
management
Fusion
INO Workshop, December 7-9, 2010
Current displays
• 2D screen– location– directions
• Altitude and velocity – as texts
Time-critical decision support
• Human cognitive processes– Encoding, inference, maping, application, response
• Decision support models– Rational (logical, analytical)
• An optimal solution, but requires to calculate the utility of each alternative
– Naturalistic (action-based, recognition-primed)• An acceptable solution, when mathematical calculations
are not feasible
INO Workshop, December 7-9, 2010
INO Workshop, December 7-9, 2010
Decision support in real time
SK Y -Scanner ATM
Improved situational awareness
Reduced cognitive workload
Visualised landing/take-off
procedures
3D context visualisation
Decision support for ATM
INO Workshop, December 7-9, 2010 7
DSSINPUT
1) position2) speed
OUTPUT
True. Trajectory is OK – no risks.
False. Violation risks.
· Terrain peculiarities· Airport regulations· Ought to Be trajectory
INO Workshop, December 7-9, 2010
Related work: pure 3D, Space-Time Cube
See Azuma, Daily and Krozel (1996)
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INO Workshop, December 7-9, 2010
Pure 3D in SKY-ScannerPhotorealistic map with the Ought-to-Be trajectory
ViolationCorrect
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INO Workshop, December 7-9, 2010
Ideas from FP5 and FP6 EUROCONTROL projects
Picture within a picture Distortion display
INO Workshop, December 7-9, 2010
Ideas from FP5 and FP6 EUROCONTROL projects
See W. Wong et al. (2007)
3D in 2D
Wall view with altitude rulers
Wall view of approach control
2D in 3D
Lens display
SKY-Scanner Decision Support Scenario
• A soft control area– the collision risk between the airplanes is tracked– the altitude is controlled;
• A strict control area – a landing procedure is assigned to the track– the constraints are followed.
INO Workshop, December 7-9, 2010 14
SKY-Scanner method
• Strict area• Required trajectory• Aircraft position
INO Workshop, December 7-9, 2010
Proof of concept in SKY-ScannerAbstract landscape with projection curtains
INO Workshop, December 7-9, 2010 17
INO Workshop, December 7-9, 2010
Conclusions• SKY-Scanner DSS
– Provides aircraft surveillance at low altitudes– The laboratory implementation complies the third
technology readiness level (TRL-3)• Decision-making scenario
– Improves situational awareness– Reduces cognitive workload
• Future work– User studies to validate the concept
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INO Workshop, December 7-9, 201020
Kristina LAPIN Associate professor Vilnius Universitykristina.lapin@mif.vu.lt
http://www.sky-scanner.it/
Acknowledgements for the team:Vytautas ČYRAS, associate professorSigitas DAPKŪNAS, associate professorTomas PLANKIS, lecturerLaura SAVIČIENĖ, PhD student
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