Application of a complex network cascading failure capacity load architecture

A technology for cascading failures and complex networks. It is used in data exchange networks, digital transmission systems, electrical components, etc., and can solve problems such as cascading failures.

Active Publication Date: 2020-10-27
NANJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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 a complex network cascading failure capacity load architecture
  • Application of a complex network cascading failure capacity load architecture
  • Application of a complex network cascading failure capacity load architecture

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Embodiment Construction

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

[0046] The present invention designs an application of a complex network cascading failure capacity load architecture, which is used to realize the redistribution of loads 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 undirected network graph of the power grid corresponding to the power grid; and based on the undirected network graph of the power grid, according to the following formula:

[0048]

[0049] Calculate and obtain the load upper limit C of each power station node n , and then enter step A2; where, n∈N, N represents the total number of power sta...

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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 the application of a complex network cascading failure capacity load framework, and belongs to the technical field of complex network cascading failure modeling. Background technique [0002] In recent years, with the development of modern society, various security problems have appeared on the Internet. In real life, cascading failures are a common phenomenon and often occur in various networks such as power grids, the Internet, and logistics networks. In 2003, a generator failure in Ohio caused a major blackout in North America. Network congestion on the Internet is also a classic example of cascading failures. [0003] Scholars at home and abroad have proposed many models for cascading failures, including capacity load model, sand pile model, coupled lattice model, etc. In order to reduce the scale of cascading failures and more realistically describe the cascading failures in real networks, scholars at home and abroad ha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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