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Abstract:In order to solve the problem of the traditional LEC method of security risk evaluation, this paper improves the effectiveness and flexibility of risk management by adding fuzzy influence diagram algorithm. Firstly, starting from the general application theory and method of substation engineering safety risk, the LEC method is used to identify the risk hazard source of substation construction. The minitab software is used to analyze the statistical risk hazard factors, analyze the safety risk characteristics of the project, and find out the electric shock. Risk as the main risk control point; then, draw a fuzzy impact map of electric shock risk, use Matlab tools for fuzzy logic reasoning to reveal the potential relationship between many factors that cause “electric shock risk”, and explore a targeted safety management program and In practice, the effectiveness of safety risk management and control measures has been improved. Finally, the problem of Angola routineization has been solved with a targeted solution, and the flexibility has been enhanced. The LEC evaluation method based on qualitative analysis and the fuzzy influence diagram of quantitative risk are discussed. The advantages and disadvantages of the evaluation algorithm provide theoretical support and application models for future on-site construction management.
keywords: security risk identification, fuzzy evaluation, risk assessment, fuzzy logic reasoning, electric shock risk
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|wang yuxiang||Power Grid Planning Research Center of Guizhou Power Grid Co, Ltdfirstname.lastname@example.org|
|liang weiping||China Aviation Engine Group Guizhou Honglin Aviation Power Control Technology Co, Ltdemail@example.com|