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将计算机仿真技术应用于铁路客运站客流到站分布和聚集人数获取与处理，为枢纽设施的合理布局和运营管理方案编制提供依据.对北京南站进行实地调查，分析旅客在候车室的到达规律，采用拟合工具提出旅客提前到站时间分布密度函数，建立旅客到达规律模型；基于旅客到达规律模型，提出旅客到达仿真算法, 仿真旅客到站乘车的过程;设计车站客流变化仿真系统，提出仿真计算车站聚集人数的方法；根据北京南站客流时空分布特征，基于列车时刻表，模拟车站客流变化，以观察枢纽旅客到站聚集波动情况，验证本文所提模型的合理性和有效性.

Assembling Model and Algorithm of Railway Passengers Distribution

Computer simulation technology is applied to acquire and process passenger flow distribution and assembling. It also provides reference for layout of station facilities and complication of station operation and management plan. On the basis of the investigations on Beijing South Station and analysis of the rule of arrival passenger in the waiting room, the distribution density function is proposed and the passengers arrival simulation model is developed. Then, the paper presents the passenger regularity arrival algorithm for simulating the arrival waiting process of passengers. The passenger flow simulation system is designed and the assembling calculation method is presented with simulation. According to the time and space distribution characteristics of passenger flow at Beijing South Station, the simulation experiment is conducted to observe the passenger flow dynamic distribution based on the train schedules. The rationality and effectiveness of the proposed model is thus verified.