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Article Dans Une Revue Journal of Loss Prevention in the Process Industries Année : 2019

Assessment of safety integrity level by simulation of dynamic Bayesian networks considering test duration

Résumé

This paper is devoted to model Safety Instrumented Systems (SISs) availability by Dynamic Bayesian Networks (DBNs). The models integrate several parameters but the main concerns of the study are the integration of test duration and test strategy. The proposed pDBN are generic and can be reused for assessing performance and testing the effect of some parameters. More attention has been paid to the performance of the proof test, its harmlessness and particularly its duration. The duration increases the model complexity when considering the components availability given the test but it is more realistic. This parameter should be decided carefully to satisfy the Safety Integrity Level (SIL) objectives.
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Dates et versions

hal-01926221 , version 1 (19-11-2018)

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Christophe Simon, Walid Mechri, Guillaume Capizzi. Assessment of safety integrity level by simulation of dynamic Bayesian networks considering test duration. Journal of Loss Prevention in the Process Industries, 2019, 57, pp.101-113. ⟨10.1016/j.jlp.2018.11.002⟩. ⟨hal-01926221⟩
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