基于智能体技术的人员群集流动动力学模型

目的运用计算机技术研究复杂的群集流动现象，设计和优化人员疏散系统．解决群集人员流动安全管理问题．方法吸取社会力模型中行人运动受到社会力支配的思想，综合考虑行人之间的相互影响，利用智能体技术，在人员流动行为规则的指导下，建立群集流动的微观动力学模型，借助自适应网格生成技术实现了人员群集流动的计算机模拟．结果对仅有一个出口的大房间和设有障碍的通道的人员疏散过程进行了模拟，模拟动画图像显示了人员流动过程中在流动通道瓶颈处的成拱现象及行人流避让和绕过障碍的现象．结论通过群集流动微观动力学模型并借助自适应网格生成技术，实现了对于人员群集流动状态及其演化过程的计算机模拟．提高了运算速度．表明本模型具有一定的适用性．

An Agent-based Model for Crowd Flow Dynamics

In order to use computer technique to reproduce collective effects and help designers to design and optimize egress systems,an agent-based model for crowd flow dynamics is developed based on the heart ideal of the social force model and the crowd pedestrian flow behavior rules.A program is also developed for simulating crowd flow on the basis of this model and performed on the basis of the adaptive grid technology.We present simulations of evacuation from a large room with one door and an avenue with an obstacle.Some crowd pedestrian flow phenomenon,such as aching,rerouting,etc,could be observed from illustrations of the two scenarios.The computer simulation program on the basis of the agent-based model for crowd flow dynamics presented in this paper can reproduce collective effects,and run fast due to the use of the adaptive grid machine technology.This article draws the conclusion that the model is applicable.