Aircraft Landing Time Prediction with Deep Learning on Trajectory Images

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Aircraft Landing Time Prediction with Deep Learning on Trajectory Images
Aircraft Landing Time Prediction with Deep Learning on Trajectory Images
Journal Title:
Sesar Innovation Days
Publication Date:
28 November 2023
Aircraft landing time (ALT) prediction is crucial for air traffic management, especially for arrival aircraft sequencing on the runway. In this study, a trajectory image-based deep learning method is proposed to predict ALTs for the aircraft entering the research airspace that covers the Terminal Maneuvering Area (TMA). Specifically, the trajectories of all airborne arrival aircraft within the temporal capture window are used to generate an image with the target aircraft trajectory labeled as red and all background aircraft trajectory labeled as blue. The trajectory images contain various information, including the aircraft position, speed, heading, relative distances, and arrival traffic flows. It enables us to use state-of-the-art deep convolution neural networks for ALT modeling. We also use real-time runway usage obtained from the trajectory data and the external information such as aircraft types and weather conditions as additional inputs. Moreover, a convolution neural network (CNN) based module is designed for automatic holding-related featurizing, which takes the trajectory images, the leading aircraft holding status, and their time and speed gap at the research airspace boundary as its inputs. Its output is further fed into the final end-to-end ALT prediction. The proposed ALT prediction approach is applied to Singapore Changi Airport (ICAO Code: WSSS) using one-month Automatic Dependent Surveillance-Broadcast (ADS-B) data from November 1 to November 30, 2022. Experimental results show that by integrating the holding featurization, we can reduce the mean absolute error (MAE) from 82.23 seconds to 43.96 seconds, and achieve an average accuracy of 96.1, with 79.4 of the predictions errors being less than 60 seconds.
License type:
Publisher Copyright
Funding Info:
This research / project is supported by the National Research Foundation, Singapore and the Civil Aviation Authority of Singapore (CAAS) - Aviation Transformation Programme
Grant Reference no. : ATP_IOP for ATM_I2R_2
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