By studying a system tor complex multi-level collaboration process based crowd evacuation, we can exactly simulate the crowd evacuation in emergency. In this paper,the crowd evacuation in complex obstacles in a multi-level building has been simulated based on the cellular automata improvement and optimization. Besides, the individual characteristics, the following behavior, et al. , have been also considered. The results give the efficiency of crowd evacuation with the parameters of following behavior, the location of obstacles and exits. The proposed model can effectively simulate the crowd evacua tion process in emergency at a large-scale public place. The simulation results have real reference significance for the crowd evacuation scheme in multi-level building emergency under the complex environment and the characteristics of people.%研究具有复杂多层协作过程条件下的人员疏散控制系统,就能够比较准确地模拟突发情况下人员的疏散情况.本文对元胞自动机进行了改进,综合人员个体特征和从众心理等各种复杂因素,对具有复杂障碍物的多层建筑中人员疏散过程进行了计算机仿真分析,并给出了人员疏散效率与人员的从众系数、障碍物及出口位置等因素的关系.该仿真能够很好地模拟大型公共场所发生突发事件时人员疏散的情况,对在复杂地理环境及人员特性条件下的多层建筑突发事件疏散策略制定具有一定的实际参考意义.
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