Results 31 to 40 of about 3,804 (157)
Cascading Failures in Production Networks [PDF]
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Nonlocal effects and countermeasures in cascading failures [PDF]
We study the propagation of cascading failures in complex supply networks with a focus on nonlocal effects occurring far away from the initial failure. It is shown that a high clustering and a small average path length of a network generally suppress nonlocal overloads. These properties are typical for many real-world networks, often called small-world
Witthaut, Dirk, Timme, Marc
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Stochastic Models of Cascading Failures [PDF]
What is a ‘cascading failure’? Whilst most people have an intuitive idea of what is meant by cascading, no definition exists within the framework of reliability theory. The aim of this paper is to explore the field of component dependence within a network structure, and to construct a definition of cascading failure.
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Previous research of wireless sensor networks (WSNs) invulnerability mainly focuses on the static topology, while ignoring the cascading process of the network caused by the dynamic changes of load.
Xiuwen Fu, Yongsheng Yang, Haiqing Yao
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Modeling cascading failures and mitigation strategies in PMU based cyber-physical power systems
This paper presents a model of cascading failures in cyber-physical power systems (CPPSs) based on an improved percolation theory, and then proposes failure mitigation strategies.
Yuqi HAN +3 more
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Bioinspired Mitigation Scheme for Cascading Failures in Farmland Wireless Sensor Networks
Existing mitigation strategies on wireless sensor networks (WSNs) against cascading failures cannot appropriately adapt the particular characteristics of farmland WSNs. Spider web provides a new reference for improving network invulnerability.
Jun Wang +3 more
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In wind and solar renewable-dominant hybrid alternating current/direct current (AC/DC) power systems, the active power of high-voltage direct current (HVDC) system is significantly limited by the security and stability events caused by cascading failures.
Tianhao Liu, Jiongcheng Yan, Yutian Liu
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Cascading Dynamics of Heterogenous Scale-Free Networks with Recovery Mechanism
In network security, how to use efficient response methods against cascading failures of complex networks is very important. In this paper, concerned with the highest-load attack (HL) and random attack (RA) on one edge, we define five kinds of weighting ...
Shudong Li +5 more
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The uncertainty of complex power systems increases the possibility of large blackouts due to the expectations of physical events, such as equipment failures, protection failures, control actions failure, operator error, and cyber-attacks.
Bokyung Goo, Jin Hur
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Catastrophic cascade of failures in interdependent networks [PDF]
Many systems, ranging from engineering to medical to societal, can only be properly characterized by multiple interdependent networks whose normal functioning depends on one another. Failure of a fraction of nodes in one network may lead to a failure in another network. This in turn may cause further malfunction of additional nodes in the first network
Buldyrev, Sergey V. +4 more
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