| The subway is the lifeblood of urban public transportation.It greatly alleviates many problems,such as urban traffic congestion and urban land shortage.With the continuous increase of subway lines,maintenance and construction,many cities have gradually formed a networked operation situation.The increase in lines and urban residents has increased the passenger traffic of the subway.Take the Beijing Subway as an example,its daily passenger traffic has reached half of the entire city’s residents.Therefore,the huge passenger flow is also a realistic test for the safe operation and management of the subway.Faced with the daily impact of normal and sudden passenger flows and the new trend of networked operations,subway operation management is also facing more and more risks.If the response cannot be dealt with in time,the inner space of the subway is relatively closed,which can easily cause operation accidents such as trampling accidents and line blockages.The accident may spread and expand in online networks,causing more stations or lines to fail,and seriously threatening the personal safety of the masses.And property security.Therefore,the in-depth analysis and research on the large passenger flow and subway operation network system has important practical significance.On the basis of safety management,system engineering and complex network theory research,the vulnerability of subway operation network under the condition of large passenger flow is studied.First of all,the time characteristic distribution and spatial characteristic distribution of the large passenger flow are studied by the method of statistical analysis.Use the research method of complex network to analyze the topological structure characteristics of the subway operation network.The dynamic and static indicators in the learning network are different from each other.The perspective view shows the characteristics of the subway operation network and categorizes deliberate attacks based on indicators to verify the vulnerability of the subway operation network at the topological level.On the basis of the above analysis of passenger flow characteristics and network characteristics,according to the three-level evolution model of vulnerability,starting from the three levels of exposure,sensitivity and adaptability,the human-machine environmental management is classified.Used for security management.The influencing factors of the subway operation network under the condition of large passenger flow are analyzed,and a vulnerability evaluation matrix and a four-level indicator system are constructed.The weight is determined by the entropy method,and the comprehensive evaluation of the subway operation network is carried out by the fuzzy comprehensive evaluation method.Evaluation and scoring are conducted through expert surveys,and the vulnerability score of the subway operating network is calculated.The evaluation index system provides a reference for the safe operation and management of subway network operations,and also provides a perfect rectification direction for subway subsystems that deal with the pressure of large passenger flows.This thesis contains 24 pictures,8 tables and 91 references. |
