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Erschienen in:
2016 | OriginalPaper | Buchkapitel
50. Intersection Assistance
verfasst von : Mark Mages, Felix Klanner, Alexander Stoff
Erschienen in: Handbook of Driver Assistance Systems
Verlag: Springer International Publishing
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Abstract
Junctions and intersections are relatively complex areas in today’s vehicle traffic. Due to this complexity, many traffic accidents occur between vehicles interacting in these areas. Each driver needs to assess parameters such as intersection geometry, right-of-way regulation, and the behavior of third-party vehicles, and a driver fault in any of these tasks can consequently lead to a collision. Thus, an intersection assistance system needs to consider different types of potential driver mistakes in these complex scenarios. This makes the avoidance of intersection collisions particularly challenging.
This chapter summarizes major challenges for assistance systems that address the most relevant accident types in intersections, and it introduces different approaches to solve the resulting issues. These approaches vary from intersection-based driver information to cooperative active safety systems using communication technology and/or data from onboard sensors such as RADAR, camera, or LIDAR. Furthermore, the importance of the capabilities of different sensors as well as communication technology for onboard intersection assistance systems is discussed.
The early recognition of driver mistakes and the design of a suitable intervention strategy require detailed analyses of common driver behavior in intersections. The results of respective driver behavior analysis are introduced. Different example prototype systems are described in detail, including criticality assessment and warning/intervention strategies. Validation tests with real test persons for some of the discussed systems prove that a positive driver acceptance for intersection assistance systems is feasible.
To maximize the overall benefit of intersection assistants during the period of marked introduction, when fleet penetration rates are low, the possibilities and limitations of assistance for collision avoidance in the prioritized vehicle are discussed.