A method of vulnerability assessment for power communication network based on mechanical model

Yaosheng WANG; Yingmin ZHANG; Chang WANG

doi:10.11959/j.issn.1000−0801.2019023

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A method of vulnerability assessment for power communication network based on mechanical model

Research and development | 更新时间：2024-06-05

- A method of vulnerability assessment for power communication network based on mechanical model
- Telecommunications Science Vol. 35, Issue 1, Pages: 54-61(2019)
- 作者机构：
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- DOI：10.11959/j.issn.1000−0801.2019023
  CLC： TN915.85
- Published Online：2019-01，
  
  Published：20 January 2019
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Yaosheng WANG, Yingmin ZHANG, Chang WANG. A method of vulnerability assessment for power communication network based on mechanical model[J]. Telecommunications science, 2019, 35(1): 54-61.
DOI：

Yaosheng WANG, Yingmin ZHANG, Chang WANG. A method of vulnerability assessment for power communication network based on mechanical model[J]. Telecommunications science, 2019, 35(1): 54-61. DOI： 10.11959/j.issn.1000−0801.2019023.

摘要

为了合理评价电力通信网链路的脆弱性，提出一种基于力学模型的电力通信网脆弱性评估方法，将业务在链路上来往所占用的带宽容量与节点间业务相互来往的数目统称为节点间的相关性，并将链路业务间的往来相关程度视为一种关联的广义业务力。在业务统计过程中采用均分时隙的最大似然估计，以泊松（Poisson）过程为统计背景进行对业务的参数估计。将链路间的业务数目以及占用带宽变化视为广义业务力做功，通过引力公式得到节点间的链路逻辑距离，并以逻辑距离变化区间来度量通信网络的脆弱性。最后，利用MATLAB建立模型进行仿真计算，验证了该方法能够实时、准确地分析以及评价电力通信网业务链路的脆弱性。

Abstract

In order to reasonably evaluate the vulnerability of the power communication network link

a vulnerability assessment method based on the mechanical model was proposed. The bandwidth capacity occupied by the traffic on the link and the number of inter-node services were collectively referred to as nodes. The correlation between the links and the degree of correlation between the link services was regarded as an associated generalized business force. In the process of business statistics

the maximum likelihood estimation of the time-slotted time slot was adopted

and the parameters of the service were estimated by using the Poisson process as a statistical background. The number of services between links and the occupied bandwidth were regarded as work of generalized service. The logical distance of the links between nodes was obtained by the gravitational formula

and the vulnerability of the communication network was measured by the interval of logical distance. Finally

MATLAB was used to establish a model for simulation calculation

it is verified that the method can analyze and evaluate the vulnerability of the service link of the power communication network in real time and accurately.

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