Journal of Transportation Systems Engineering and Information Technology ›› 2017, Vol. 17 ›› Issue (4): 173-181.

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Emergency Rescue Path Selection Model under Uncertain Information

DUAN Man-zhen, CHEN Guang, DONG Bo, LI Shan-shan   

  1. School of Civil and Architectural Engineering, North China University of Science and Technology, Tangshan 063009, Hebei, China
  • Received:2017-01-26 Revised:2017-05-16 Online:2017-08-25 Published:2017-08-25

不确定信息下应急救援路径选择模型

段满珍*,陈光,董博,李珊珊   

  1. 华北理工大学建筑工程学院,河北唐山063009
  • 作者简介:段满珍(1974-),女,河北滦县人,副教授.
  • 基金资助:

    国家自然科学基金/National Natural Science Foundation of China (51378171,61374157).

Abstract:

Effective traffic evacuation strategies are critically important for reducing the post- earthquake loss. By defining the road network evacuation connectivity and safety driving path, the problem of emergency evacuation and path selection under the uncertainty information conditions are described. Taking refuge point distribution, path planning, vehicle capacity and uncertain traffic capacity as the constraints of the problem, a model of emergency rescue vehicle routing based on the evacuation of public transit is established. Taking into the limitations of the simulation, the model is transformed into the public transit equilibrium scheduling problem under the same departure interval when the algorithm designed. Based on the Tangshan road network and population distribution, the simplified model is simulated. The results show that selecting security rescue path under uncertain information, when the rescue vehicles block on the way, they only need to adjust the turning strategy, which can ensure the vehicles smoothly pass, and ensure the stability of the rescue and scheduling work.

Key words: integrated transportation, emergency rescue, bi- level designing, safety path, evacuation connectivity

摘要:

迅速有效的震后交通疏散及道路管制措施对降低地震损失具有重要意义.通过定义路网疏散连通度和安全行驶路线,对不确定信息条件下救援疏散和路径选择问题进行描述.将避难点分配、路径规划、车辆容量,以及不确定通行能力作为该问题约束条件,确立了以公交疏散问题为基础的应急救援车辆路径选择模型.考虑到模型仿真的局限性,转化为相同发车间隔下的公交均衡调度问题进行求解.以唐山抽象路网和人口分布为基础进行仿真实验分析,结果表明:不确定信息条件下选择安全救援路径,当救援车辆途中遇阻时,只需调整交叉口转向策略即可顺利通行,保证了救援调度工作的稳定.

关键词: 综合交通运输, 应急救援, 双层规划, 安全路径, 疏散连通度

CLC Number: