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Power communication network optimal security link configuration method and system

A technology of power communication network and safety link, which is applied in the field of optimal safety link configuration of power communication network, can solve the problem that it is difficult to fully reflect the dynamic change process of the communication link, and the transmission distance and safety risk factors of the communication link are not comprehensively considered. question

Pending Publication Date: 2022-02-18
STATE GRID HEBEI ELECTRIC POWER CO LTD +1
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Problems solved by technology

There are certain limitations in the existing secure link selection methods of power communication networks. In the reliability evaluation system of power communication networks, the index analysis is only carried out from the aspects of link transmission paths, ignoring the influence of different business importance on transmission reliability. Influence; the security risk analysis of power communication network based on complex network theory focuses on the optimization of business routing, without comprehensive consideration of the transmission distance and security risk factors of communication links, and it is difficult to fully reflect the dynamic process of selecting communication links; based on heuristic algorithms The risk analysis of the power communication network only carried out local and single-objective optimization solutions, and did not conduct multi-objective optimization analysis of communication services and link selection from the perspective of global risks

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  • Power communication network optimal security link configuration method and system
  • Power communication network optimal security link configuration method and system
  • Power communication network optimal security link configuration method and system

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Embodiment Construction

[0081] The principles and features of the present invention will be described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0082] In the power communication network environment, the problem of selecting the business security link of the power communication network refers to that, in order to avoid the global intensive risk distribution, in the case of ensuring the safety and reliability of the whole network, when selecting the business security link, according to the degree of risk It is different to evenly distribute services to the entire communication network to maintain the global risk balance of the network. Such as figure 2 As shown, it is the business distribution diagram of the power communication network, which can be expressed as G, where the vertex V={v1, v2, ..., v9} is the business security link node, and the edge E={e...

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Abstract

The invention discloses an attack risk balanced power communication network optimal security link configuration method and system, and relates to the field of smart power grids. The method comprises the following steps: firstly, giving a global risk equalization problem data model, and carrying out description and mathematical modeling on a service security link selection problem; then, using a fuzzy analytic hierarchy process (FAHP) to construct a business importance evaluation and sorting model; and finally, solving the multi-objective optimization problem by using an improved Dijkstra algorithm and a particle swarm optimization (PSO) algorithm, and configuring the optimal security link of the power communication network with balanced attack risks.

Description

technical field [0001] The invention relates to the field of smart grids, in particular to a method and system for configuring an optimal security link of a power communication network. Background technique [0002] With the rapid development of my country's smart grid, in the smart grid environment, the new operation and management mode of the power communication network requires frequent work collaboration and business transmission between systems, resulting in the risk of information transmission link selection. Research on how to reduce the risk of power communication network service channels and design the optimal method for selecting secure links for communication services has become a hot topic in the field of research. There are certain limitations in the existing secure link selection methods of power communication networks. In the reliability evaluation system of power communication networks, the index analysis is only carried out from the aspects of link transmiss...

Claims

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Application Information

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IPC IPC(8): G06F30/20G06Q10/06G06N7/02G06N3/00G06Q50/30G06F111/06G06F111/04
CPCG06F30/20G06Q10/0635G06N7/02G06N3/006G06F2111/06G06F2111/04G06Q50/40
Inventor 王智慧王少影刘建周辛锐高丽芳方蓬勃李启蒙连阳阳
Owner STATE GRID HEBEI ELECTRIC POWER CO LTD
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