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Journal Articles IEEE Transactions on Reliability Year : 2016

Resilience-Based Component Importance Measures for Critical Infrastructure Network Systems

Abstract

In this paper, we propose two metrics, i.e., the optimal repair time and the resilience reduction worth, to measure the criticality of the components of a network system from the perspective of their contribution to system resilience. Specifically, the two metrics quantify: 1) the priority with which a failed component should be repaired and re-installed into the network and 2) the potential loss in the optimal system resilience due to a time delay in the recovery of a failed component, respectively. Given the stochastic nature of disruptive events on infrastructure networks , a Monte Carlo-based method is proposed to generate probability distributions of the two metrics for all of the components of the network; then, a stochastic ranking approach based on the Copeland's pairwise aggregation is used to rank components importance. Numerical results are obtained for the IEEE 30-bus test network and a comparison is made with three classical centrality measures.
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Dates and versions

hal-01436576 , version 2 (16-02-2016)
hal-01436576 , version 1 (16-01-2017)

Identifiers

Cite

Yi-Ping Fang, Nicola Pedroni, Enrico Zio. Resilience-Based Component Importance Measures for Critical Infrastructure Network Systems. IEEE Transactions on Reliability, 2016, 65 (2), pp.502-512. ⟨10.1109/TR.2016.2521761⟩. ⟨hal-01436576v2⟩
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