COLLISION WARNING WITH AUTO BRAKE A REAL-LIFE SAFETY PERSPECTIVE
Erik Coelingh Lotta Jakobsson Henrik Lind Magdalena Lindman Volvo Car Corporation Sweden Paper Number 07-0450 ABSTRACT Automotive safety has gained an increasing amount of interest from the general public, governments, and the car industry. This is more than justified by traffic accident statistics, as each year around 1.2 million people die due to road traffic accidents. For these reasons safety remains a core value of Volvo Cars. This paper presents some of the latest active safety developments within Volvo Cars. Rear-end collisions are common accident scenarios and a common cause of these accidents is driver distraction and thus not reacting in time. No vehicle system is
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Traffic accident statistics more than justify this focus, as each year around 1.2 million people die due to road traffic accidents . Safety is and remains a core value of Volvo Cars, and it has a long tradition. A successful way to attain continuous improvements in safety development is a working process based on real world situations and the feed-back of this information into the product development. This working method has been found very effective in passive safety development . The present study applies this working process into development of new active safety systems. Active safety systems require a wider scope of the study and performance goals, thereby expanding to accident occurrence beside injury protection and opponent vehicle beside host vehicle. The aim of this paper is to present some of the latest active safety developments within Volvo Cars and to put them into context of the working process . REAR-END COLLISIONS This section will put the area of rear-end collisions in the context of real-world situations. Accident data will be used as the basis for the problem definition as well as for the calculation of benefit. A brake-down of the problem definition is used to guide the evaluation and performance prediction process. For this purpose, three different sets of accident data will be used. Statistical accident data bases Three databases from three different countries are used as the basis for the problem definition.
Figure 1. Volvo’s Traffic