Computer Science

Computer Science ›› 2023, Vol. 50 ›› Issue (6A): 220400293-7.doi: 10.11896/jsjkx.220400293

• Information Security • Previous Articles     Next Articles

Network Reliability Analysis of Power Monitoring System Based on Improved Fuzzy ComprehensiveEvaluation Method

BING Ying’ao1, WANG Wenting2, SUN Shengze1, LIU Xin2, NIE Qigui2, LIU Jing2   

  1. 1 School of Computer Science,Northeast Electric Power University,Jilin 132012,China;
    2 State Grid Shandong Electric Power Research Institute,Jinan 250013,China
  • Online:2023-06-10 Published:2023-06-12
  • About author:BING Ying’ao,born in 1999,postgra-duate.His main research interests include power system security and network security. WANG Wenting,born in 1988,postgraduate.Her main research interests include power system security,network security and ICT(information and communications technology).
  • Supported by:
    State Grid Shandong Electric Power Company Technology Project(520626220029).

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Abstract: Network attacks emerge one after another,and the importance of risk management and control in the power industry is increasing day by day.However,complex and new network attack methods,missing system loopholes in production equipment,and the complexity of the integration of physical and information networks will undoubtedly bring forward the risk management and control of power monitoring systems.Aiming at how to comprehensively,accurately and reasonably judge the network reliability of the power monitoring system under the comprehensive influence of multiple factors,a sound reliability evaluation system is established,and a reliability evaluation model of the power monitoring system based on fuzzy evaluation is proposed.This paper starts with the loopholes existing in the equipment nodes of the power monitoring system,and comprehensively analyzes the risks in the system and the environmental risks outside the system,so that the power monitoring system can be safely graded during the operation process to make security decisions.This method adopts network security classification.The standard is combined with the industrial system vulnerability database to establish an evaluation index system,and the reliability evaluation index is determined from the three aspects of network communication reliability,business reliability,and system reliability.The reliability analysis of the power monitoring and monitoring system is carried out,targeted maintenance is carried out according to the evaluation results,and more accurate quantitative indicators are used to achieve fine-grained risk assessment in the evaluation process.Finally,a set of semi-virtual system environment synthesis is built for power.The risk level and reliability of the power monitoring system are analyzed and evaluated to verify the validity of the reliability evaluation method.

Key words: Power monitoring system, Gray wolf optimization algorithm, Fuzzy comprehensive evaluation, Analytic hierarchy process, Network reliability evaluation model

CLC Number: 

  • TP393
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