In many applications concerning location in guided traffic the digital route map plays an important role. Supported by the German Ministry of Education and Science, Research and Technology (BMBF) the project 'RailOrt' deals with concepts of trainside location modules in guided traffic based on satellite navigation. As a part of the location module an Intelligent Route Atlas was developed, which can be regarded as a central element to realize location of trains. The analysis of similarities to location and navigation systems used in road traffic seems to be a first approach to build up a Route Map for rail traffic. But the process of location for motor vehicles is mainly based on sensing significant angles when changing the direction on route nodes which are stored in digital maps. This kind of significant drive angles cannot be found in the railway environment. Besides, the use of radar for navigation on inland waters seems to be suitable for rail traffic applications. The characteristics concerning the changing of area and the velocity of angle of courses of water is similar to guided traffic. However, this kind of location is based especially on sensing a satisfactory number of objects by means of radar at short distances. For this reason the data structure and algorithms of these mapping methods cannot directly be applied to guided traffic as well. Therefore a new approach for modelling and implementing a route map is to be presented.
Concepts of an intelligent route atlas for localisation in guided traffic
1998
9 Seiten, 6 Bilder, 15 Quellen
Aufsatz (Konferenz)
Englisch
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