Combination of Fault Tree Analysis and Model Checking for Safety Assessment of Complex System

  • Authors:
  • Pierre Bieber;Charles Castel;Christel Seguin

  • Affiliations:
  • -;-;-

  • Venue:
  • EDCC-4 Proceedings of the 4th European Dependable Computing Conference on Dependable Computing
  • Year:
  • 2002

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Abstract

Safety assessment of complex systems traditionally requires the combination ofv arious results derived from various models. The Altarica language was designed to formally specify the behaviour of systems when faults occurs. A unique Altarica model can be assessed by means of complementary tools such as fault tree generator and model-checker. This paper reports how the Altarica language was used to model a system in the style oft he hydraulic system oft he Airbus A320 aircraft family. It presents how fault tree generation and model-checking can be used separately then combined to assess safety requirements.