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

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

Reliability Engineering and System Safety, 2006, vol. 91, issue 2, 137-148

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.

Keywords: Control systems; Simulation; Markov graphs; Aggregation; Petri nets; Dynamic hybrid systems (search for similar items in EconPapers)
Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:91:y:2006:i:2:p:137-148

DOI: 10.1016/j.ress.2005.03.007

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