Efficient and resilient traffic management relies on accurate prediction of air traffic states. However, the complex spatial-temporal dependencies of air traffic networks make this task challenging. To address this issue, we propose a novel deep learning framework, named Physics-Informed Graph Attention Transformer (PIGAT), which leverages real-world data and knowledge to predict essential air traffic state parameters. Our approach utilizes fine-grained traffic state detection to extract critical features from aviation databases. The model employs GAT-based spatial learning blocks with temporal Transformers to capture the dynamic spatial-temporal dependencies of data. A dynamic graph generator layer is also utilized to update the airport network’s topological structure adaptively, strengthening the model prediction’s effectiveness. Furthermore, the fluid queuing-theoretic PDEs are incorporated into the loss function, enhancing the model’s interpretability and reliability. Our framework is evaluated on real-world air traffic datasets from 36 major airport hubs within the US. Experimental results demonstrate that our proposed framework efficiently makes accurate predictions and outperforms eight baselines. In conclusion, our proposed framework has the potential to be applied in real-time decision-making systems for air traffic management and provides promising directions for future research. The code for our project is available at: https://github.com/ymlasu/para-atm-collection/tree/master/air-traffic-prediction/PIGAT.


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    Title :

    PIGAT: Physics-Informed Graph Attention Transformer for Air Traffic State Prediction


    Contributors:
    Xu, Qihang (author) / Pang, Yutian (author) / Zhou, Xuesong (author) / Liu, Yongming (author)


    Publication date :

    2024-09-01


    Size :

    4273257 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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