Abstract
In order to ensure the safety of high-speed railway transportation, the command role of railway signal system should be brought into full play. By comprehensively analyzing the safety characteristics of railway signal system, a safety railway signal system pre-warning model based on fuzzy analytic hierarchy process (FAHP) was proposed. Firstly, this paper introduced the theory basis of fuzzy comprehensive evaluation method and analytic hierarchy process. Then analysed the natural geological factors, personnel factors, equipment factors and management factors of railway signal system, and studied the safety problems of “human-machine-environment” system. Finally, the feasibility and validity of the model were verified by model analysis. This pre-warning model is applied to the high-speed railway signal system, and has good reliability, high safety. It can not only discover the risk sources and hidden dangers of the railway signal system in time, but also effectively prevent accidents. It has great practical significance to guarantee the safety of railway transportation.
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