The integration of expert-defined importance factors to enrich Bayesian Fault Tree Analysis

Molham Darwish, Shaban Almouahed and Florent de Lamotte

Reliability Engineering and System Safety, 2017, vol. 162, issue C, 81-90

Abstract: This paper proposes an analysis of a hybrid Bayesian-Importance model for system designers to improve the quality of services related to Active Assisted Living Systems. The proposed model is based on two factors: failure probability measure of different service components and, an expert defined degree of importance that each component holds for the success of the corresponding service. The proposed approach advocates the integration of expert-defined importance factors to enrich the Bayesian Fault Tree Analysis (FTA) approach. The evaluation of the proposed approach is conducted using the Fault Tree Analysis formalism where the undesired state of a system is analyzed using Boolean logic mechanisms to combine a series of lower-level events.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:162:y:2017:i:c:p:81-90

DOI: 10.1016/j.ress.2017.01.007

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