Reliability Evaluation of Mine Ventilation System Based on Game Theory Combination Weighting-TOPSIS Method
In order to more accurately and scientifically evaluate the reliability of the mine ventilation system,the first step is to select 16 secondary indicators from four aspects:reliability of ventilation power and equipment facilities,environmental reliability,personnel management reliability,and safety monitoring and disaster prevention system.An evaluation index system will be built based on these four directions:ventilation power and equipment facilities reliability,environmental reliability,personnel manage-ment reliability,and safety monitoring and disaster prevention system reliability.The second step involves calculating the subjective and objective weights of the indicators using the AHP-CRITIC method.These weights are then combined using game theory's mini-mization of deviation.The third step is to use the TOPSIS method to evaluate the reliability of the mine ventilation system.Finally,an example analysis is carried out with five coal mines in Xinjiang as a background.The evaluation results indicate that factors such as the main fan's reliability,failure rate of the mine ventilation safety monitoring system,availability of rescue and emergency evac-uation facilities have a significant impact on the overall reliability of the mine ventilation system.This finding aligns with actual situ-ations and verifies the rationality of our evaluation model.This study provides theoretical support for evaluating mine ventilation systems in five coal mines in Xinjiang while also offering potential reference for similar coal mines.
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