Safe and Reliable Metro Platform Screen Doors Control/Command Systems

  • Authors:
  • Thierry Lecomte

  • Affiliations:
  • ClearSy, Aix en Provence, France

  • Venue:
  • FM '08 Proceedings of the 15th international symposium on Formal Methods
  • Year:
  • 2008

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Abstract

In this article we would like to present some recent applications of the B formal method to the development of safety critical system. These SIL3/SIL4 compliant systems have their functional specification based on a formal model. This model has been proved, guaranteeing a correct by construction behaviour of the system in absence of failure of its components. The constructive process used during system specification and design leads to a high quality system which has been qualified by French authorities.