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An aggregation method of Markov graphs for the reliability analysis of hybrid systems☆☆Revised version of the paper presented at QUALITA 2003

Author

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  • Schoenig, Raphaël
  • Aubry, Jean-François
  • Cambois, Thierry
  • Hutinet, Tony

Abstract

To meet always increasing safety requirements in car industry, design and safety assessment methods are developed in order to fit the complexity of new embedded mecatronic systems. Hybrid (discrete/continuous) and dynamic features, specific to these systems, require choosing a suitable formalism. These features should also be considered in safety studies made all through the system design. The aim of this paper is to propose a quantitative analysis method based on the construction of an aggregated Markov graph, which allows a limitation of the combinatorial expansion. This graph is directly deducted from the Petri net modelling of the system. It is composed by a set of functional modes and a set of transitions to which statistical information regarding the system dynamics has been added.

Suggested Citation

  • Schoenig, Raphaël & Aubry, Jean-François & Cambois, Thierry & Hutinet, Tony, 2006. "An aggregation method of Markov graphs for the reliability analysis of hybrid systems☆☆Revised version of the paper presented at QUALITA 2003," Reliability Engineering and System Safety, Elsevier, vol. 91(2), pages 137-148.
    • Handle: RePEc:eee:reensy:v:91:y:2006:i:2:p:137-148
    DOI: 10.1016/j.ress.2005.03.007
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