A Tunnel Gaussian Process Model for Learning Interpretable Flight's Landing Parameters

• URL: http://arxiv.org/abs/2011.09335v3
• Date: Mon, 2 Aug 2021 03:35:12 GMT
• Title: A Tunnel Gaussian Process Model for Learning Interpretable Flight's Landing Parameters
• Authors: Sim Kuan Goh, Narendra Pratap Singh, Zhi Jun Lim and Sameer Alam
• Abstract summary: Approach and landing accidents have resulted in a significant number of hull losses worldwide. We propose a data-driven method to learn and interpret flight's approach and landing parameters.
• Score: 1.0323063834827413
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Approach and landing accidents have resulted in a significant number of hull losses worldwide. Technologies (e.g., instrument landing system) and procedures (e.g., stabilized approach criteria) have been developed to reduce the risks. In this paper, we propose a data-driven method to learn and interpret flight's approach and landing parameters to facilitate comprehensible and actionable insights into flight dynamics. Specifically, we develop two variants of tunnel Gaussian process (TGP) models to elucidate aircraft's approach and landing dynamics using advanced surface movement guidance and control system (A-SMGCS) data, which then indicates the stability of flight. TGP hybridizes the strengths of sparse variational Gaussian process and polar Gaussian process to learn from a large amount of data in cylindrical coordinates. We examine TGP qualitatively and quantitatively by synthesizing three complex trajectory datasets and compared TGP against existing methods on trajectory learning. Empirically, TGP demonstrates superior modeling performance. When applied to operational A-SMGCS data, TGP provides the generative probabilistic description of landing dynamics and interpretable tunnel views of approach and landing parameters. These probabilistic tunnel models can facilitate the analysis of procedure adherence and augment existing aircrew and air traffic controllers' displays during the approach and landing procedures, enabling necessary corrective actions.

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