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Application of capacity load architecture of cascaded failure of complex network

A technology of cascading failures and complex networks, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve problems such as cascading failures, and achieve the effect of strong data capability

Active Publication Date: 2018-04-17
NANJING UNIV OF POSTS & TELECOMM
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  • Claims
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Problems solved by technology

The size of the initial load reflects the ability of the node to process data to some extent, but if only the data processing ability is considered without considering the structural properties of the node in the network topology, load redistribution may lead to a wider range of cascading fail

Method used

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  • Application of capacity load architecture of cascaded failure of complex network
  • Application of capacity load architecture of cascaded failure of complex network
  • Application of capacity load architecture of cascaded failure of complex network

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Embodiment Construction

[0045] The specific embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings of the specification.

[0046] The present invention designs an application of a complex network cascading failure capacity load architecture to realize the redistribution of the load on the collapsed power station in the power grid. In practical applications, such as figure 1 As shown, it specifically includes the following steps:

[0047] Step A1. Based on the number of power stations in the power grid design scheme and the connection relationship between the power stations, construct the grid undirected network diagram corresponding to the grid; and based on the grid undirected network diagram, according to the following formula:

[0048]

[0049] Calculate the load upper limit C of each power station node n , And then go to step A2; where n ∈ N, N represents the total number of power station nodes in the power grid, β represents the tole...

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Abstract

The invention relates to application of capacity load architecture of a cascaded failure of a complex network. On the basis of the complex network theory, loads of crashed nodes are allocated by considering heterogeneity of each node at a network structure. The node with the high degree has strong data processing capability; the node with the low clustering coefficient is able to play a big role in a low-resistance cascaded failure. More loads of the crashed nodes are allocated for nodes with the high degrees and low clustering; simulation at an artificial network and a real network and comparison with other models are carried out, so that effectiveness of the model is verified. Therefore, the network with the application can realize the global robustness quickly.

Description

Technical field [0001] The invention relates to an application of a complex network cascade failure capacity load structure, and belongs to the technical field of complex network cascade failure modeling. Background technique [0002] In recent years, with the development of modern society, various security issues have appeared on the Internet. In real life, cascading failure is a common phenomenon, and often occurs in various networks such as power grids, the Internet, and logistics networks. In 2003, a generator set failure in Ohio, USA, caused a blackout in North America. Network congestion on the Internet is also a typical example of cascading failure. [0003] Domestic and foreign scholars have proposed many models for cascading failure, including capacity load model, sand pile model, coupled lattice model and so on. In order to reduce the scale of cascading failures and to describe the cascading failures in real networks more realistically, scholars at home and abroad have...

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Application Information

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IPC IPC(8): H04L12/24H04L29/08
CPCH04L41/14H04L41/145H04L67/12
Inventor 蒋国平张震豪宋玉蓉夏玲玲
Owner NANJING UNIV OF POSTS & TELECOMM
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