Study On The Station Dwell-time Of Urban Rail Transit Based On Passengers’ Boarding And Alighting Behavior

Urban rail transit is the first choice of China’s large and medium-sized cities to develop public transport networks,which is characterized by large volume of traffic,low energy consumption and high punctuality rate.The formulation and implementation of train diagram has an important impact on the convenience and punctuality of urban rail transit,also stop time is one of the main parameters of train diagram.Therefore,the accurate formulation of actual train stop time has practical guiding significance for the practical work.In the process of actual train operation,the stop time is affected by many factors,which makes the actual stop time deviate from the specified running diagram,resulting in insufficient or wasted stop time.Therefore,it is of vital application and guiding significance to analyze the influencing factors of stopping time and establish a model to estimate the actual stopping time of trains.In view of this,this paper firstly studies and discusses the definition,composition and influencing factors of urban rail transit stop time on the basis of consulting a large number of domestic and foreign literature.It summarizes and classifies the influencing factors into static influencing factors and dynamic influencing factors.Static factors are mainly platform,passengers,drivers and the factors that do not change with time,while dynamic factors are mainly train relative position,relative speed and the factors that change with time.Secondly,it describes the characteristics of the platform of the urban rail transit station,analyzes the characteristics of passengers’ travel behavior,including individual passengers and passenger groups from two different perspectives,then summarizes the characteristics of passengers’ activities and distribution on the platform.It uses the variance analysis method to fulfill the calculation,and draws the conclusion that the subjective factor,that is,the passenger factor,is the main influencing factor.It establishes the distribution model of waiting passengers on the platform,which can estimate the distribution number of passengers in front of each platform on the premise of knowing the number of passengers entering the platform,as well as the relationship model between the passenger loading and unloading time and the number of passengers in different stages.On the premise of knowing the number of loading and unloading passengers at a single platform door,it can estimate the loading and unloading time,which is the main component of the stopping time.It uses the data of Dongguan Metro Line 2for parameter fitting and goodness test,whose goodness meets the requirements.Finally,it takes Dongguan Metro Line 2 as an example to carry out the result application.Based on the large deviation between the actual train stop time and the scheduled stop time,it carried out the optimization research from three aspects: Equipment action,driver’s operation and passenger boarding time.The passenger boarding time part collects the passenger flow data of Hongfu Road Station on different dates and time periods.It uses the platform passenger distribution law to calculate the number of people waiting in front of a single door,then calculates it with the function modeled to boarding time and stop time.Therefore,it puts forward the conclusion that different stopping time should be adopted in different dates and periods,then assist in other ways to improve the boarding efficiency.These conclusions can be applied to the operation organization and map layout of urban rail transit.