Towards U-space conflict management services based on 4D protection bubbles
Résumé
In order to manage a multitude of drones deployed simultaneously in the same airspace, the European U-space should supplement its initial mandatory services with conflict detection and resolution services. The introduction of virtual 4D protection bubbles around drones could be a key enabler to ensure separation of aircraft, detect potential conflicts and monitor the effect of associated conflict resolutions. Simulations realized with a dense traffic over a city demonstrate the possibility to generate 4D bubbles in the strategic phase through the use of stochastic optimization algorithms. The addition of tactical monitoring tools ensures the resiliency of such 4D bubbles to unexpected events, such as strong winds. If 4D protection bubbles should facilitate the implementation of future strategic and tactical conflict management services, they could also be used to ensure the execution of initial U-space services.
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