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A Simple Two Aircraft Conflict Resolution AlgorithmConflict detection and resolution methods are crucial for distributed air-ground traffic management in which the crew in, the cockpit, dispatchers in operation control centers sad and traffic controllers in the ground-based air traffic management facilities share information and participate in the traffic flow and traffic control functions. This paper describes a conflict detection, and a conflict resolution method. The conflict detection method predicts the minimum separation and the time-to-go to the closest point of approach by assuming that both the aircraft will continue to fly at their current speeds along their current headings. The conflict resolution method described here is motivated by the proportional navigation algorithm, which is often used for missile guidance during the terminal phase. It generates speed and heading commands to rotate the line-of-sight either clockwise or counter-clockwise for conflict resolution. Once the aircraft achieve a positive range-rate and no further conflict is predicted, the algorithm generates heading commands to turn back the aircraft to their nominal trajectories. The speed commands are set to the optimal pre-resolution speeds. Six numerical examples are presented to demonstrate the conflict detection, and the conflict resolution methods.
Document ID
20060015656
Acquisition Source
Ames Research Center
Document Type
Conference Paper
Authors
Chatterji, Gano B.
(NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 23, 2013
Publication Date
January 1, 2006
Subject Category
Aircraft Communications And Navigation
Meeting Information
Meeting: AIAA Guidance, Navigation, and Control Conference
Location: Keystone, CO
Country: United States
Start Date: August 21, 2006
End Date: August 24, 2006
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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