A RAILWAY COLLISION AVOIDANCE SYSTEM EXPLOITING AD-HOC INTER-VEHICLE COMMUNICATIONS AND GALILEO
C 45468 (In: C 40997 CD-ROM) /73 /91 / ITRD E136527
Strang, T. Meyer, M. & Hoerste, M.Z.
In: Proceedings of the 13th World Congress and Exhibition on Intelligent Transport Systems (ITS) and Services, London, United Kingdom, 8-12 October 2006, 8 p.
|Samenvatting||The introduction of the European global navigation satellite system GALILEO allows also for a modernization of automatic train control technology. This is advisable because of the still enormous amount of collisions between trains or other kinds of obstacles (construction vehicles, constructionworkers, pedestrians), even if comprehensive and complex technology is extensively deployed in the infrastructure which should help to avoid such collisions. Experiences from the aeronautical Traffic Alert and Collision Avoidance System (TCAS) as well as the maritime Automatic Identification System (AIS) have shown that the probability of collisions can be significantly reduced with collision avoidance support systems, which do hardly require infrastructure components. In this article, the "RCAS" approach is introduced, consisting only of mobile ad-hoc components, i.e. without the necessity of extensions of the railway infrastructure. Each train determines its position, direction and speed using GALILEO and broadcasts this information, complemented with other important information such as dangerous goods classifications in the region of its current location. This informationcan be received and evaluated by other trains, which may - if a potentialcollision is detected - lead to traffic alerts and resolution advisories up to direct interventions (usually applying the brakes) For the covering abstract see E134653.|
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