考虑到警察和保安的现场控制行动差异的恐怖袭击行人疏散动态

Ying Zheng, Langchao Ji, Zhengxiang Xu, Yanyan Chen, Xingang Li
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引用次数: 0

摘要

近年来,世界各地的恐怖袭击造成了许多平民的严重伤亡。在刀斧恐怖袭击事件中,通常会有四类事件相关人员,即行人、恐怖分子、警察和现场安全警卫。他们的行为各不相同,但现有文献很少将他们放在一起考虑,尤其是警察和安全警卫。本文提出了 FFPS(结合警察和安全警卫现场控制行动的扩展楼场模型)模型,以研究考虑到恐怖袭击现场警察和安全警卫控制行动差异的行人疏散动力学。FFPS 模型包括三个方面。首先,模拟恐怖袭击环境下的行人疏散动态。第二,研究恐怖分子、警察和安全警卫的行为。第三,研究警察和安全警卫现场控制行动的差异。我们设置了模拟场景。详细分析了恐怖分子的数量和位置、警察和安全警卫的不同行动、警察进入时间、警察射击距离、警察和安全警卫的空间位置以及警察控制策略对疏散动态的影响。这些结果为在恐怖袭击环境中快速控制恐怖分子、大幅减少人员伤亡提供了有价值的启示。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Pedestrian evacuation dynamics considering terrorist attack on-site control action differences between police and security guards
In recent years, terrorist attacks all over the world caused many civilian casualties seriously. Under the knife and axe terrorist attack, there are usually four groups of event-related persons, that is, pedestrians, terrorists, police, and safety guards in the scene. The behavior of them is different, but they are rarely considered together in existing litterateurs, especially the police and safety guards. In this paper, we propose the FFPS (extended floor-field model combined with on-site control actions of police and safety guards) model to study pedestrian evacuation dynamics considering terrorist attack on-site control action differences between police and security guards. The FFPS model consists of three aspects. First, pedestrian evacuation dynamics in terrorist attack environment is modeled. Second, the behavior of terrorists, police and safety guards is studied. Third, the differences of on-site control actions between police and safety guards are studied. We set up the scenario for simulation. The influence of terrorists’ number and location, police and security guards’ different actions, police entering time, police shooting distance, police and safety guards’ spatial position, and police control strategy on evacuation dynamics are analyzed in detail. Those results provide valuable insights to quickly control terrorists, and sharply reduce casualties in terrorist attack environment.
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