Influence of overloading on the reliability and critical components of networked critical infrastructures

The economic development and social well‐being of modern societies are highly dependent on networked critical infrastructures to satisfy the necessary demand. In the case that the prescribed demand cannot be satisfied with each component of a network normally loaded, certain components need to be ov...

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Bibliographic Details
Published in:Quality and reliability engineering international Vol. 35; no. 2; pp. 711 - 731
Main Authors: Zhu, Huaxing, Zhang, Chi, Ouyang, Min
Format: Journal Article
Language:English
Published: Bognor Regis Wiley Subscription Services, Inc 01.03.2019
Subjects:
bi‐objective optimization
Component reliability
Critical components
Critical infrastructure
Economic development
Network reliability
Overloading
Reliability engineering
System reliability
ISSN:0748-8017, 1099-1638
Online Access:Get full text
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Summary:The economic development and social well‐being of modern societies are highly dependent on networked critical infrastructures to satisfy the necessary demand. In the case that the prescribed demand cannot be satisfied with each component of a network normally loaded, certain components need to be overloaded. To study the influence of overloading on the network reliability, this research proposes a new flow‐redistribution rule based on minimal cuts to determine the components to overload when necessary and the way to redistribute the network flow. The proposed rule can help to keep the prescribed demand for a network satisfied, while trying to minimize the adverse influence of overloading on the network reliability. Based on the proposed rule, we then propose a bi‐objective optimization model to identify a network's critical components that, among all the possible combinations of components with the same amount, influence the network reliability the most when incapacitated, while considering the possibility of overloading and its influence on the reliability.
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ISSN:0748-8017
1099-1638
DOI:10.1002/qre.2432