Abstract
Keywords:
stereovision, laser scanner, data fusion, collision mitigation, experimental assessment.
Abstract:
Road traffic incidents analysis has shown that 52% of them are caused by a collision between two vehicles or between a vehicle and an obstacle. In this paper, a collision mitigation system is proposed and evaluated towards various typical road situations. The aim of the system is to decrease the kinetic energy of the collision through automatic emergency braking that occurs 1 second before the collision. This emergency braking is triggered by an alarm coming from a decision unit taking into consideration the results of a generic obstacles detection system -based on fusion between stereovision and laser scanner- and a warning area in front of the vehicle. The different sub-systems are presented. The behavior of the collision mitigation system towards typical situations is presented through systematic tests carried out in the context of the ARCOS (Research Action for Secure Driving) French project. Additional tests are performed in real driving situations to provide a more precise idea about the false alarm rate. These experiments show the system is promising (low false alarm rate, high detection rate, reactivity) even if more research is needed before such a system can be put in the hands of a common driver.