Study on Urban Rail Transit Line Operation Safety Evaluation Based on Gain-weighted Comprehensive Method

Urban rail transit safety is affected by multiple factors and operation risks are enlarged.In this paper,combining with passenger flow,key equipment,environment and so on,both the two-level station and line operation safety evaluation index systems were established.The Gain-weighted Comprehensive Evaluation method was used for index calculation.On the basis of the characteristics of the evaluation index systems,station and line operation safety was both divided into four grades,the critical points of all safety grades were determined and the evaluation results were formalized.MATLAB simulation results prove the feasibility of the proposed method.Theoretical reference was provided for decision-making and formulation of operation safety policies and measures for urban rail transit.