ViSSaAn: Visual Support for Safety Analysis

Authors Yi Yang, Dirk Zeckzer, Peter Liggesmeyer, Hans Hagen

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Yi Yang
Dirk Zeckzer
Peter Liggesmeyer
Hans Hagen

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Yi Yang, Dirk Zeckzer, Peter Liggesmeyer, and Hans Hagen. ViSSaAn: Visual Support for Safety Analysis. In Scientific Visualization: Interactions, Features, Metaphors. Dagstuhl Follow-Ups, Volume 2, pp. 378-395, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2011)


Safety of technical systems are becoming more and more important nowadays. Fault trees and minimal cut sets are usually used to attack the problems of assessing safety-critical systems. A visualization system named ViSSaAn, consisting of a matrix view, is proposed that supports an efficient safety analysis based on the information from these techniques. Interactions such as zooming and grouping are provided to support the task of finding the safety problems from the analysis information. An example based on real data shows the usefulness of ViSSaAn.
  • Safety Analysis
  • Fault Tree Analysis
  • Minimal Cut Sets
  • Safety Visualization
  • Information Visualization


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