|本期目录/Table of Contents|

[1]王保云,王婷.一种改进的疏散节点踩踏风险评估算法*[J].中国安全生产科学技术,2022,18(4):218-223.[doi:10.11731/j.issn.1673-193x.2022.04.031]
　WANG Baoyun,WANG Ting.An improved algorithm for stampede risk assessment of evacuation nodes[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2022,18(4):218-223.[doi:10.11731/j.issn.1673-193x.2022.04.031]
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一种改进的疏散节点踩踏风险评估算法*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
18
期数:
2022年4期
页码:
218-223
栏目:
职业安全卫生管理与技术
出版日期:
2022-04-30

文章信息/Info

Title:
An improved algorithm for stampede risk assessment of evacuation nodes
文章编号:
1673-193X(2022)-04-0218-06
作者:
王保云; 王婷
(1.云南师范大学 数学学院,云南 昆明 650500;
2.云南师范大学 外国语学院,云南 昆明 650500)
Author(s):
WANG Baoyun;  WANG Ting
(1.School of Mathematics,Yunnan Normal University,Kunming Yunnan 650500,China;
2.School of Foreign Language & Literature,Yunnan Normal University,Kunming Yunnan 650500,China)
关键词:
安全管理工程; 风险评估; 拥挤踩踏; 人群聚集区域
Keywords:
safety management engineering;  risk assessment;  crowded stampede;  crowd gathered place
分类号:
X913
DOI:
10.11731/j.issn.1673-193x.2022.04.031
文献标志码:
A
摘要:
为解决四变量算法中存在的计算精度不高和数值不连续问题，基于踩踏事故概率设计随坡度单调递增的倾斜度函数、以人流股数为计算单位的宽度系数函数以及以节点直接承受疏散人流为基础的汇集度函数，并据此构建点型节点、线型节点和面型节点的踩踏风险评估算法。研究结果表明：改进算法能够有效避免四变量算法存在的问题，在算法稳定性、参数敏感性和无效参数处理等方面显著优于当前其他算法。研究结果为提升算法稳定性和敏感性奠定基础。
Abstract:
In order to solve the problems of low calculation accuracy and numerical discontinuity in the four variable algorithm,based on the probability of stampede accident,an inclination degree function that increased monotonically with slope,a width coefficient function with the number of pedestrian flow strands as the calculation unit,and a convergence function based on the evacuation pedestrian flow of node directly bearing were designed.On this basis,the stampede risk assessment algorithms of point nodes,linear nodes and face nodes were constructed.The results showed that the improved algorithm could effectively avoid the problems of four variable algorithm,and was significantly better than other current algorithms in the aspects of algorithm stability,parameter sensitivity and invalid parameter processing.The research results lay a foundation for improving the stability and sensitivity of the Algorithm.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期： 2021-06-23
* 基金项目： 云南省哲学社会科学规划项目(QN2015067)
作者简介： 王保云,博士,副教授,主要研究方向为安全管理。
更新日期/Last Update: 2022-05-13