Method for simulating passenger evacuation process under passenger cabin construction based on improved social force model

基于改进社会力模型模拟客舱构型下乘员撤离过程的方法

Abstract

一种基于改进社会力模型模拟客舱构型下乘员撤离过程的方法。其包括确定乘员直径、乘员期望速度;确定实际的客舱尺寸,将客舱尺寸进行缩放而得到仿真需要的客舱尺寸;按照仿真需要的客舱尺寸及乘员直径、乘员期望速度进行改进社会力模型的建模仿真,得到客舱构型下的乘员撤离数据等步骤。本发明方法是通过缩小人与墙之间的回避距离而将客舱的物理场景放大,再结合实际乘员直径和期望速度来仿真得到应急撤离数据。通过仿真实验对比可知,本发明方法较原有的Anylogic仿真客舱构型下乘员撤离时间精度有了较大提高,能够获得与飞机客舱应急撤离模型VacateAir的仿真结果完全一致的结果。
The invention discloses a method for simulating a passenger evacuation process under passenger cabin construction based on an improved social force model. The method comprises the following steps: determining a passenger diameter and a passenger expected speed; determining an actual passenger cabin size, and reducing the passenger cabin size to obtain a passenger cabin size needed by simulation; and improving the modeling simulation of the social force model according to the passenger cabin size needed by simulation, the passenger diameter and the passenger expected speed to obtain passenger evacuation data under the passenger cabin construction. Through adoption of the method, a physical scene of the passenger cabin is enlarged by means of reducing an avoidance distance between a person and a wall, and emergent evacuation data are obtained by simulation in conjunction with the actual passenger diameter and the expected speed. As proved by simulation experiment comparison, the method has the advantages that the passenger evacuation time accuracy under original Anylogic simulation passenger cabin construction is increased greatly, and a result which is completely consistent with a simulation result of an airplane passenger cabin emergent evacuation model VacateAir can be obtained.

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