Simulation of Small Social Group Behaviors in Emergency Evacuation

Ruilin Xie, Zhicheng Yang, Yunshi Niu, Yanci Zhang
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引用次数: 9

Abstract

In this paper, we present a novel method to simulate the influences of small social group on pedestrian's behaviors under emergency situations. Our method is built on an important observation that the relationships between group members are usually different and even mutual relationships between group members might be asymmetric. Two phenomena can be produced by our method based on this observation. The first is group aggregation phenomenon which means that pedestrians tend to stay closer to their socially close group members than socially distant members. The second phenomenon is the complicated process of searching for lost members which is modeled as a cost-based function in our method. This function will guide pedestrians to make many decisions like whether to look for the lost members, who will be searched for, who will conduct the search as well as when to abort the search. The experimental results show that our method can produce very real social group behaviors under emergency situations.
紧急疏散中的小社会群体行为模拟
在本文中,我们提出了一种新的方法来模拟在紧急情况下小社会群体对行人行为的影响。我们的方法建立在一个重要的观察之上,即群体成员之间的关系通常是不同的,甚至群体成员之间的相互关系可能是不对称的。根据这种观察,我们的方法可以产生两种现象。第一个是群体聚集现象,这意味着行人倾向于与社会上亲密的群体成员保持更近的距离,而不是社会上疏远的成员。第二个现象是寻找丢失成员的复杂过程,该过程在我们的方法中被建模为基于成本的函数。这个功能将引导行人做出许多决定,比如是否寻找丢失的成员,寻找谁,由谁进行搜索以及何时终止搜索。实验结果表明,我们的方法可以在紧急情况下产生非常真实的社会群体行为。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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