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Safety Analysis of the Height Control System for the Elbtunnel

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Computer Safety, Reliability and Security (SAFECOMP 2002)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 2434))

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Abstract

Currently a new tunnel tube crossing the river Elbe is built in Hamburg. Therefore a new height control system is required. A computer examines the signals from light barriers and overhead sensors to detect vehicles, which try to drive into a tube with insufficient height. If necessary, it raises an alarm that blocks the road.

This paper describes the application of two safety analysis techniques on this embedded system: model checking has been used to prove functional correctness with respect to a formal model. Fault tree analysis has validated the model and considered technical defects. Their combination has uncovered a safety flaw, led to a precise requirement specification for the software, and showed various ways to improve system safety.

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References

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Author information

Authors and Affiliations

  1. Lehrstuhl für Softwaretechnik und Programmiersprachen, Universität Augsburg, 86135, Augsburg, Germany

    Frank Ortmeier, Gerhard Schellhorn, Andreas Thums & Wolfgang Reif

  2. I&S ITS IEC OS, Siemens, 81359, München, Germany

    Bernhard Hering & Helmut Trappschuh

Authors
  1. Frank Ortmeier
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  2. Gerhard Schellhorn
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  3. Andreas Thums
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  4. Wolfgang Reif
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  5. Bernhard Hering
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  6. Helmut Trappschuh
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Editor information

Editors and Affiliations

  1. LFCS, Division of Informatics, The University of Edinburgh, Mayfield Road, EH9 3JZ, Edinburgh, UK

    Stuart Anderson  & Massimo Felici  & 

  2. ENEA CR Casaccia, Via Anguillarese, 301, 00060, Rome, Italy

    Sandro Bologna

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© 2002 Springer-Verlag Berlin Heidelberg

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Ortmeier, F., Schellhorn, G., Thums, A., Reif, W., Hering, B., Trappschuh, H. (2002). Safety Analysis of the Height Control System for the Elbtunnel. In: Anderson, S., Felici, M., Bologna, S. (eds) Computer Safety, Reliability and Security. SAFECOMP 2002. Lecture Notes in Computer Science, vol 2434. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45732-1_29

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  • DOI: https://doi.org/10.1007/3-540-45732-1_29

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-44157-1

  • Online ISBN: 978-3-540-45732-9

  • eBook Packages: Springer Book Archive

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