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DHGF法是由四种方法经改进后组合而成的兼具定性和定量指标的方法,这种方法已经成熟地运用于信息系统、物流园区风险管理等项目上,但很少应用到城市轨道交通运营系统方面。基于安全系统工程理论以及相应的准则和规范,可以在不同的阶段使用DHGF的不同方法完成指标体系构造、评价等级划分、权重和灰统计计算及模糊评价结果。具体实例也验证了DHGF法在城市轨道交通运营系统中的可行性,为我国城市轨道交通运营安全评价提供了一种新的方法。
The DHGF method is a combination of qualitative and quantitative methods, which is a combination of four methods. This method has been applied to information systems, risk management of logistics parks and other projects, but rarely applied to urban rail transit Operating system. Based on the theory of safety system engineering and the corresponding guidelines and norms, different methods of DHGF can be used in different stages to complete the construction of index system, evaluation level, weight and gray statistics calculation and fuzzy evaluation results. The specific examples also verify the feasibility of DHGF method in urban rail transit operation system and provide a new method for the safety evaluation of urban rail transit operation in China.