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Showing 1 results for copula Functions
Ebrahim Amini-Seresht, , Volume 20, Issue 1 (9-2026)
Abstract
Large engineering infrastructures such as power grids, communication systems, and cyber-physical systems are exposed to shocks of varying intensity and scope, which due to the dependence between components, can cause successive failures throughout the entire network. The classical reliability models are generally based on the assumption of independence between components and shocks and therefore face limitations in describing the real behavior of the systems. In this paper, a comprehensive framework for analyzing the reliability of networks in the presence of signed shocks time-dependent is presented. In this framework, each network node is modeled by a signed process that simultaneously captures the magnitude and timing of shocks, and the dependence structure between components is described through a copula function. In addition to statistical dependence, the proposed model also includes cumulative failure mechanisms, incomplete repair, and reinforcement resource allocation policies.
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