Selected aspects of the supervision of ict systems used in the rail transport
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Warsaw University of Technology Faculty of Transport 00-662 Warsaw, Koszykowa 75
Publication date: 2017-12-21
Diagnostyka 2015;16(2):67–72
In the article, the DGT-IP R telecommunication system was presented, and then its analysis in terms of the reliability and operation was performed. A particular emphasis was put on the issues related to restoring the state of complete usability. Adopting three states (complete usability R0, impendency over safety QZB and unreliability of safety QB) and certain transitions between them, the relationships allowing for determination of probabilities of the system staying in the above mentioned states.