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Analyse du risque et détection de situations limites : application au développement des systèmes d'alerte au conducteur.

Abstract : The problematic of the thesis enter within the framework of the preventive driving assistance systems by the study of the vehicle dynamic behavior and the application of the observers for the detection upstream of driving critical situations. In this work, we proposed a warning unit to provide information or an alarm to the driver, sufficiently in advance, in order to avoid road departure accidents, which takes into account several constraints: Excessive longitudinal speed even on straight road section, excessive lateral dynamic (excessive lateral acceleration and yaw rate), vehicle lateral positioning (excessive lateral displacement and relative yaw angle) and small values of time to lane crossing. To give a solution to the problem of the road departure accidents related to a problem of vehicle dynamics, a new model of critical speed in curve was developed. This model takes into account the evolution of the vehicle dynamics as well as the mechanical parameters. The detection algorithms were tested on several scenarios and alarms obtained correspond well to felt drivers and in the exact places.
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Submitted on : Wednesday, September 23, 2009 - 3:47:54 PM
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  • HAL Id : tel-00419414, version 1

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Chouki Sentouh. Analyse du risque et détection de situations limites : application au développement des systèmes d'alerte au conducteur.. Automatique / Robotique. Université d'Evry-Val d'Essonne, 2007. Français. ⟨tel-00419414⟩

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