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A Study of Robustness Between Two Strategic 4D Trajectory Plannings

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Daniel Delahaye
Paveen Juntama
Sameer Alam
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Résumé

Strategic 4D trajectory planning is a promising technology for next-generation air traffic management and systems. Some approaches attempt to satisfy the capacity constraint to reduce traffic congestion, while others aim to reduce potential conflicts between trajectories. This paper investigates two approaches to organizing the real traffic in the French airspace at the strategic level. The first approach minimizes interaction between trajectories, while the second reduces traffic congestion so that the controller maintains the traffic without much effort. The associated optimization problems are formulated and resolved by an approximative approach based on simulated annealing. The departure time perturbation was introduced to study the robustness of the two proposed methods. The evaluation of the robustness is performed by Monte Carlo simulation. According to the results, the strategic deconfliction method completely solved all interactions between trajectories, and the strategic decongestion method reduced traffic congestion by 99.94%. Furthermore, the comparative study shows that the method reducing congestion is more robust against the departure time perturbation than the method minimizing interaction between trajectories. These findings encourage the appropriate use of proposed methods in the strategic 4D trajectory planning framework.
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Dates et versions

hal-03852047 , version 1 (14-11-2022)

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  • HAL Id : hal-03852047 , version 1

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Daniel Delahaye, Paveen Juntama, Sameer Alam. A Study of Robustness Between Two Strategic 4D Trajectory Plannings. IWAC2022, Oct 2022, Tokyo, Japan. ⟨hal-03852047⟩
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