Transactions of Nanjing University of Aeronautics & Astronautics
Potential Conflict Identification of Terminal-Area Traffic Flow Based on Three-Dimensional Trajectory Tube Structures
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Abstract:
With the rapid development of aviation industry， the density of terminal-airspace traffic has increased significantly， resulting in higher potential conflict among aircraft. To address this issue， this study proposes a potential conflict identification method for terminal airspace based on three-dimensional （3D） trajectory tube structures. The approach first clusters arrival trajectories to identify major traffic flows and constructs corresponding 3D trajectory tubes. It then introduces traffic-flow parameters into a probabilistic model， which is combined with three-dimensional airspace gridding to identify and locate potential conflict regions. The results demonstrate that the proposed method can effectively detect potential conflict areas within a 15 min time window and analyze the interactions among traffic flows within these regions. This research provides a valuable framework for improving the safety and efficiency of terminal airspace operations， offering both theoretical and practical significance for airspace optimization and decision-support enhancement.
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This work was supported in part by the National Natural Science Foundation of China （Nos.U2333204， U1833103）.
Clc Number:
V355
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