关键词: 地铁车门系统, 风险评估, 失效模式及影响分析, Choquet积分, 交互式多准则决策, 故障诊断

Abstract: To consider the problem of expert's preference correlation and psychological behavior in the traditional Failure Mode and Effects Analysis (FMEA),a FMEA risk assessment method based on Choquet integral and Tomada de Decisao Interativa e Multicritevio (TODIM) was proposed.Interval valued intuitionistic fuzzy numbers were used to characterize the risk assessment information of fuzziness and uncertainty.2-additive fuzzy measure and Choquet integration which could be used to describe the preference information correlation of experts was determined for weights of experts and risk factors.The expert evaluation information was aggregated with interval valued intuitionistic weighted arithmetic aggregation operator.The method of TODIM that could response psychological behavior of experts was calculated to the dominant degree of failure mode,and the risk ranking of failure mode was obtained.The effectiveness and feasibility of the proposed method were verified by the case of failure risk assessment of metro vehicle door system.

Key words: subway vehicle door system, risk assessment, failure mode and effects analysis, Choquet integral, tomada de decisao interativa e multicritevio, fault diagnosis