Inferring Traffic Models in Terminal Airspace from Flight Tracks and Procedures

• URL: http://arxiv.org/abs/2303.09981v2
• Date: Wed, 30 Aug 2023 22:44:43 GMT
• Title: Inferring Traffic Models in Terminal Airspace from Flight Tracks and Procedures
• Authors: Soyeon Jung and Mykel J. Kochenderfer
• Abstract summary: We propose a probabilistic model that can learn the variability from procedural data and flight tracks collected from radar surveillance data. We show how a pairwise model can be used to generate traffic involving an arbitrary number of aircraft.
• Score: 52.25258289718559
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Realistic aircraft trajectory models are useful in the design and validation of air traffic management (ATM) systems. Models of aircraft operated under instrument flight rules (IFR) require capturing the variability inherent in how aircraft follow standard flight procedures. The variability in aircraft behavior varies among flight stages. In this paper, we propose a probabilistic model that can learn the variability from the procedural data and flight tracks collected from radar surveillance data. For each segment, a Gaussian mixture model is used to learn the deviations of aircraft trajectories from their procedures. Given new procedures, we can generate synthetic trajectories by sampling a series of deviations from the trained Gaussian distributions and reconstructing the aircraft trajectory using the deviations and the procedures. We extend this method to capture pairwise correlations between aircraft and show how a pairwise model can be used to generate traffic involving an arbitrary number of aircraft. We demonstrate the proposed models on the arrival tracks and procedures of the John F. Kennedy International Airport. The distributional similarity between the original and the synthetic trajectory dataset was evaluated using the Jensen-Shannon divergence between the empirical distributions of different variables. We also provide qualitative analyses of the synthetic trajectories generated from the models.

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