基于元胞自动机模型的行人排队行为模拟.pdf

9 3 Vol9 No3 2009 6 Journal of T ransportation System s Engineering and Inform ation Technology June 2009 : 0096744 ( 2009) 030 4006 , 2 * 2 廖明军 , 孙 剑 , 王凯英 ( . , 320 3; 2. , 20 804) : 排队行为模型是常态下行人交通仿真系统模型的基础. 本文利用排队论有限 状态自动机 理以及元胞自动机模型对排队系统进行建模. 排队行为模型以邻居方向 与目标方向间的修正夹角作为主要因子构造了元胞自动机模型的转移概念率函数. 利 用 C#对行人排队行为模型进行实现, 并构造了两 个不同数量的售票服务台的仿真场 景. 从仿真动画来看, 该模型逼真地模拟行人的排队活动; 从不同场景的队长与时间关 系曲线可以看出, 增加一个售票服务台明显可以减少队列长度, 排队系统性能得到改 善. 由此说明该模型具有模拟行人排队行为的能力. : 行人仿真; 排队行为; 元胞自动机模型; 修正夹角 : U49 : A Simulation of Queuing Behavior Based on Cellular AutomataM odel , 2 2 LIAO M ingjun , SUN Jian , WANG Kaiying ( . T raffic and Construction Engineering College of Beihua Univers ity, Jilin 320 3, Ch ina; 2. School of Transportation Engineering, TongjiUn iversity, Shanghai 20 804, Ch ina) A bstract: Queu ing behaviorm odel is the basis of pedestrian traffic smi u lation system in norm al situation. The papermodels queue system using queu ing theory, finite statem achine princip le, and cellu lar au tom ata m odel. The queuing behaviormodel takesm od ified included angle between goal direction and neighbor d irec tion as them ain factors of transition probab ility function. Then the queu ing behavior m odel is mi plem ented w ith objectoriented program languageC#. Two smi u lation scenarios are establishedw ith different amoun t of ticket sales w indow. The an mi ation of smi ulation show s that the queuing m odel effectively smi ulates queue