摘要
为提高疏散情况下地铁车站内行人运动行为仿真的准确性与高效性,提出采用社会力模型中的行人间排斥力、出口吸引力和障碍物排斥力理论,优化元胞自动机(CA)模型环境,构建基于组合模型的行人疏散仿真模型;采用移动残差计算法,优化元胞在网格中的移动规则;最后通过仿真试验标定行人疏散路径决策参数(静态吸引场参数、障碍物排斥场参数、力场耦合参数)。结果表明:基于组合模型的行人疏散仿真模型能够依据不同行人速度变更的移动规则,模拟出行人受障碍物、其他行人影响作用下的行人流动情况,更真实地反映疏散情况下行人流动情况,提高城市轨道交通运营安全决策水平。
In order to improve accuracy and efficiency of pedestrian movement simulation in subway station,pedestrian repulsion in social force model,attractiveness of exit and obstacle repulsions were introduced to improve environment of CA model and a combined evacuation simulation model was proposed.Then,moving residual calculation was adopted to improve cell movement rules in grids.Finally,pedestrian evacuation path decision parameters(including static fields of attractiveness,obstacle repulsion fields,and force field coupling parameters)were calibrated through simulation experiments.The results show that the proposed model can describe pedestrian movement law in case of evacuations more truthfully by simulating pedestrian flow under influences of obstacles and other pedestrians based on different speed,thus improving safety decision making of urban rail transit operations.
作者
冯诚
杨静
张红亮
冯焕东
FENG Cheng;YANG Jing;ZHANG Hongliang;FENG Huandong(School of Civil and Transportation Engineering,Beijing University of Civil Engineering and Architecture,Beijing 100044,China;School of Traffic and Transportation,Beijing Jiaotong University,Beijing 100044,China;Guizhou Branch,Beijing Tsinghua Tongheng Urban Planning&Design Institute,Guiyang Guizhou 550009,China)
出处
《中国安全科学学报》
CAS
CSCD
北大核心
2019年第8期49-54,共6页
China Safety Science Journal
基金
国家重点研发计划项目(2018YFB1201601)
北京市教育委员会科技计划一般项目(SQKM201810016006)
北京市属高校基本科研业务费专项资金资助(X18264)
北京建筑大学教育科学研究项目(Y1829)
