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Method for calculating importance of node in power CPS system based on analytic hierarchy process

A technique of analytic hierarchy process and node importance, which is applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as measuring importance, and achieve the effect of accurate sorting results

Inactive Publication Date: 2018-11-16
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0004] The purpose of the present invention is: aiming at the defects existing in the prior art, a method for calculating the importance of nodes in the power CPS system based on the analytic hierarchy process is proposed to solve the problem that a single index cannot be used to measure the importance of a certain node in the power CPS system

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  • Method for calculating importance of node in power CPS system based on analytic hierarchy process
  • Method for calculating importance of node in power CPS system based on analytic hierarchy process
  • Method for calculating importance of node in power CPS system based on analytic hierarchy process

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Embodiment Construction

[0039] Specific embodiments of the present invention are described in detail below, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0040] This embodiment provides a method for calculating the importance of nodes in a power CPS system based on the analytic hierarchy process, based on figure 1 The power CPS information network used to calculate the importance of nodes is obtained by simplifying the secondary equipment layer and communication layer corresponding to a power CPS system. The goal of the present invention is to calculate the importance of these 25 communication nodes in the network.

[0041] Specific steps are as follows:

[0042] Step 1: Analyze the multi-objective decision-making problem of node importance in the information network, and select three commonly used indicators for calculating the importance—degree centrality, betweenness centrality, and proximity centrality; and use the ana...

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Abstract

The invention relates to a method for calculating the importance of node in a power CPS system based on an analytic hierarchy process, and the method comprises the steps: analyzing a target, buildinga hierarchical structure based on the analytic hierarchy process, and building judgment matrixes according to the evaluation index data of the importance of the node of an information network; calculating a weight between each two adjacent layers according to the judgment matrix of each layer, obtaining the weight sequence between a bottom layer element and a target, and obtaining the importance sequence of the nodes. The method can solve a problem of how to evaluate the importance of the nodes through a plurality of indexes, reduces the subjectivity of weight selection to a certain degree, and obtains a more objective and complete result.

Description

technical field [0001] The invention relates to a method for calculating the importance of information network nodes in an electric power CPS system, in particular to a method for calculating the importance of information network nodes in an electric power CPS system based on analytic hierarchy process, which belongs to the field of nanotechnology. Background technique [0002] Cyber-Physical Systems (CPS, Cyber-Physical Systems) is a multi-dimensional complex system that integrates computing, network and physical environment. Through the organic integration and in-depth cooperation of 3C (Computer, Communication, Control) technology, it realizes real-time perception, Dynamic control and information services. Completing the integrated design of computing, communication and physical systems can make the system more reliable, efficient and collaborative in real time. Power CPS fully integrates the physical network and information network of the power system, and realizes the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24
CPCH04L41/14H04L41/142
Inventor 徐悦宋少群黄文英杨桂钟陈峰付蓉
Owner NANJING UNIV OF POSTS & TELECOMM
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