ERICSSON Safety System for Railway Control

  • Gunnar Hagelin
Part of the Dependable Computing and Fault-Tolerant Systems book series (DEPENDABLECOMP, volume 2)


Traditionally, equipment used by railways have been grouped in vital and non-vital equipment. Vital equipment shall work in a fail-safe way. Interlockings and level crossing units are examples of vital equipment, and the train dispatching panel is an example of non-vital equipment.


Safety System Test Report Interlocking System Fault Tree Analysis Object Controller 


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  1. [Andersson 1981]
    H. Andersson and G. Hagelin: Computer Controlled Interlocking System, Ericsson Review, No. 2,1981.Google Scholar
  2. [Andersson 1983]
    H. Andersson: Experience from the Introduction of ATC in Sweden, Ericsson Review, No. 1,1983.Google Scholar
  3. [Lind 1979]
    O. Berg von Lind: Computers Can Now Perform Vital Functions Safely, Railway Gazette International, Nov. 1979.Google Scholar
  4. [Nordenfors 1986]
    D. Nordenfors and A. Sjöberg: Computer-Controlled Electronic Interlocking System. ERILOCK 850, Ericsson Review, No. 1,1986.Google Scholar
  5. [Sjöberg 1981]
    A. Sjöberg: Automatic Train Control, Ericsson Review, No. 1, 1981.Google Scholar

Copyright information

© Springer-Verlag/Wien 1988

Authors and Affiliations

  • Gunnar Hagelin
    • 1
  1. 1.Ericsson Signal Systems ABStockholmSweden

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