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A CPN/B method transformation framework for railway safety rules formal validation

Résumé : This paper presents a 'CPN/B method' based process for railway systems safety analysis. Achieving interoperability through the European Rail Traffic Management System (ERTMS/ETCS) is facing difficulties in railway safety assessment due to the interaction of national and European operating specifications. These specifications have been modeled using several formalisms, which makes it is extremely hard to preserve all requirements when switching between different formalisms. However, this problem, crucial for efficient progress in railway safety research, has received very little attention in the literature. In this respect, the purpose of this contribution is to provide a methodology to demonstrate safety in railway systems by converting CPN models, widely used in modeling, into B abstract machines. It aims at enabling a stronger combination of formal design techniques and analysis tools able to cope with the real complexity of systems and automatically prove that safety properties are unambiguous, consistent and not contradictory, considering an industrial railway context.
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https://hal.archives-ouvertes.fr/hal-01549539
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Submitted on : Wednesday, June 28, 2017 - 5:43:41 PM
Last modification on : Friday, June 17, 2022 - 1:26:58 PM
Long-term archiving on: : Thursday, January 18, 2018 - 1:39:40 AM

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Zakaryae Boudi, Rahma Ben-Ayed, El Miloudi El Koursi, Simon Collart-Dutilleul, Thomas Nolasco, et al.. A CPN/B method transformation framework for railway safety rules formal validation. European Transport Research Review, Springer Verlag, 2017, 13 (9), 15p. ⟨10.1007/s12544-017-0228-x⟩. ⟨hal-01549539⟩

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