Contrôle de la circulation aérienne

Le service de contrôle de la circulation aérienne (ATC — de l'anglais Air Traffic Control ), communément appelé contrôle aérien, est un service rendu par des contrôleurs aériens aux aéronefs afin d'aider à l'exécution sûre, rapide et efficace des vols. Il est l'un des trois services de la circulation aérienne prévus par la Convention de Chicago afin d'assurer la sécurité du transport aérien mondial, aux côtés de l'information de vol et de l'alerte. Le contrôle du trafic aérien obéit à des règles définies par l'Organisation de l'aviation civile internationale, transposées dans le droit national par chaque pays membre. Le service de contrôle du trafic aérien est assuré dans les buts suivants :

prévenir les collisions entre aéronefs (techniquement « abordages ») ou entre un aéronef et un obstacle ;
accélérer et ordonner la circulation aérienne.

Il se distingue en cela de certaines tâches de contrôle aérien militaire réalisées en appui à des missions de reconnaissance, d'intercep

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CS-234: Technologies for democratic society

This course will offer students a broad but hands-on introduction to technologies of human self-organization.

CS-430: Intelligent agents

Software agents are widely used to control physical, economic and financial processes. The course presents practical methods for implementing software agents and multi-agent systems, supported by programming exercises, and the theoretical underpinnings including computational game theory.

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Radar

Le radar (acronyme issu de l'anglais dio etection nd anging) est un système qui utilise les ondes électromagnétiques pour détecter la présence et déterminer la position ainsi que la vitesse d'objets

Organisation de l'aviation civile internationale

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thumb|350px|Quelques aspects de l'aviation. L'aviation est une activité aérienne qui comprend l'ensemble des acteurs, techniques et règlements liés à l'utilisation d'un aéronef dans un but particulie

Modeling and Optimization of Terminal Airspace and Aircraft Arrival Subject To Weather Uncertainties

Wei Zhang

We develop an accurate model for the arrival traffic dynamics in terminal airspace that takes into account the weather forecast and runway configuration changes. The planning of runway configuration switching subject to weather constraints is formulated as a hybrid optimal control problem and a hierarchical approach is proposed to solve the problem. At the upper level of the hierarchy, a runway configuration sequence is determined based on weather forecast data and air traffic demand. At the lower level, the configuration switching times and the corresponding aircraft speeds are determined by solving a Mixed Integer Linear Program. We illustrate the utility of the approach by a case study inspired by operations in John F. Kennedy airport

American Institute of Aeronautics and Astronautics2011

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Virtual Traffic Lights: System Design and Implementation

Sami Ben Hassen, Aurélien Pomini, Frank Schmutz

Traffic congestion is a daunting problem that is affecting the daily lives of billions of people across the world. Recently, a promising new traffic control scheme known as Virtual Traffic Lights (VTL) has been proposed for mitigating traffic congestion. VTL is an infrastructure free traffic control scheme that leverages the presence of Vehicle-to-Vehicle (V2V) communications. Such infrastructure free scheme has several benefits, such as alleviating traffic congestion; reducing the large cost of traffic lights and traffic control systems; reducing carbon emission, etc. This paper reports a DSRC-based prototype design effort on VTL using Dedicated Short Range Communications (DSRC) technology. The experiments performed show the feasibility of implementing VTL with DSRC technology. Preliminary results of the field tests conducted in Pittsburgh with vehicles using VTL equipment indicate that VTL is capable of coordinating traffic at intersections and reducing the commute time of people.

IEEE2018

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Increasing Traffic Flows with DSRC Technology: Field Trials and Performance Evaluation

Aurélien Pomini

As traffic congestion becomes a huge problem for most developing and developed countries across the world, intelligent transportation systems (ITS) are becoming a hot topic that is attracting attention of researchers and the general public alike. In this paper, we demonstrate a specific implementation of an ITS system whereby traffic lights are actuated by DSRC radios installed in vehicles. More specifically, we report the design of prototype of a DSRC-Actuated Traffic Lights (DSRC-ATL) system. It is shown that this system can reduce the travel time and commute time significantly, especially during rush hours. Furthermore, the results reported in this paper do NOT assume or require all vehicles to be equipped with DSCR radios. Even with low penetration ratios, e.g., when only 20% of all vehicles in a city are equipped with DSRC radios, the overall performance of the designed system is superior to the current traffic control systems.

IEEE2018

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