Collision analysis for an UAV

Anna Desilles 1, * Hasnaa Zidani 1 Eva Crück 2
* Auteur correspondant
1 Commands - Control, Optimization, Models, Methods and Applications for Nonlinear Dynamical Systems
CMAP - Centre de Mathématiques Appliquées - Ecole Polytechnique, Inria Saclay - Ile de France, UMA - Unité de Mathématiques Appliquées, Polytechnique - X, CNRS - Centre National de la Recherche Scientifique : UMR7641
Abstract : The Sense and Avoid capacity of Unmanned Aerial Vehicles (UAV) is one of the key elements to open the access to airspace for UAVs. In order to replace a pilot's See and Avoid capacity such a system has to be certified "as safe as a human pilot on-board". The problem is to prove that an unmanned aircraft equipped with a S and A system can comply with the actual air transportation regulations. This paper aims to provide mathematical and numerical tools to link together the safety objectives and sensors specifications. Our approach starts with the natural idea of a specified "safety volume" around the aircraft: the safety objective is to guarantee that no other aircraft can penetrate this volume. We use a general reachability and viability concepts to define nested sets which are meaningful to allocate sensor performances and manoeuvring capabilities necessary to protect the safety volume. Using the general framework of HJB equations for the optimal control and differential games, we give a rigorous mathematical characterization of these sets. Our approach allows also to take into account some uncertainties in the measures of the parameters of the incoming traffic. We also provide numerical tools to compute the defined sets, so that the technical specifications of a S and A system can be derived in accordance with a small set of intuitive parameters. We consider several dynamical models corresponding to the different choices of maneuvers (lateral, longitudinal and mixed). Our numerical simulations show clearly that the nature of used maneuvers is an important factor in the specifications of sensor's performances.
Type de document :
Communication dans un congrès
AIAA GUIDANCE, NAVIGATION, AND CONTROL CONFERENCE, Aug 2012, Minneapolis, United States. pp.AIAA 2012-4526, 2012, 〈10.2514/6.2012-4526〉
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Soumis le : jeudi 22 novembre 2012 - 22:35:37
Dernière modification le : jeudi 11 janvier 2018 - 06:22:14
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Anna Desilles, Hasnaa Zidani, Eva Crück. Collision analysis for an UAV. AIAA GUIDANCE, NAVIGATION, AND CONTROL CONFERENCE, Aug 2012, Minneapolis, United States. pp.AIAA 2012-4526, 2012, 〈10.2514/6.2012-4526〉. 〈hal-00756389〉



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