The concept of Free-Flight, introduced in the 90s, opened a debate on the efficiency of
letting aircraft deal with conflicts without any centralized control. Many models have been …

In this article, the Optimal Reciprocal Collision Avoidance (ORCA) algorithm is modified to
make it work for speed constrained aircraft. The adaptation of ORCA to aircraft conflict …

Air Traffic Management involves many different services such as Airspace Management, Air
Traffic Flow Management and Air Traffic Control. Many optimization problems arise from …

The aircraft conflict detection and resolution problem has been addressed with a wide range
of centralised methods in the past few decades, eg constraint programming, mathematical …

In this article, we test a horizontal detect and avoid algorithm for Unmanned Aerial Vehicules
(UAVs) flying in the lower airspace (under FL180). We use recorded commercial traffic …

In this article, we evaluate the robustness of a detect and avoid algorithm designed for the
integration of UASs in terminal control areas. This assessment relies on a realistic modeling …

Humans still play a key role in air traffic control but their performances limit the capacity of
the airspace and are responsible for delays. At the tactical level, even though air traffic …

Air traffic management is organized into filters in order to prevent tactical controllers from
dealing with complex conflicting situations. In this article, we describe an experiment …

This PhD thesis addresses the problem of aircraft conflict detection and resolution (CD&R)
considering weather uncertainty. The general framework of this study is the development of …

Assisting air traffic controllers in their deconfliction task is challenging. A five nautical mile
separation standard in the horizontal plane and one thousand feet vertically are required in …