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Research of real-time Traffic Emergency Evacuation management

机译：实时交通紧急疏散管理研究

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摘要

A scientific and effective emergency evacuation plan plays an important part in improving the event reaction ability of the urban traffic system, as well as, saves rescue time and reduces property losses. A new approach for real-time Traffic Emergency Evacuation management is proposed in this paper. Distinct from the well-studied evacuation planning, real-time traffic management for evacuation aims at dynamically controlling traffic flow under evacuation in such a way that certain system objective like minimization of evacuation time could be achieved. The proposed approach is based on dynamic traffic assignment by considering the traffic network under evacuation as a dynamic system. First, the dynamic system optimal traffic assignment model based on the shortest emergency evacuation time is established. Second, the optimal solution to the optimal problem is obtained by using Pontryagin minimum principle. Finally, a numerical example is given to illustrate that the proposed model and algorithm can be effectively carried out in an emergency evacuation.
机译：科学有效的应急疏散计划在提高城市交通系统的事件反应能力，节省救援时间，减少财产损失方面起着重要作用。提出了一种实时的交通紧急疏散管理新方法。与精心研究的疏散计划不同，用于疏散的实时交通管理旨在动态控制疏散情况下的交通流量，从而可以实现某些系统目标，如最小化疏散时间。提出的方法基于动态交通分配，将疏散下的交通网络视为动态系统。首先，建立了基于最短紧急疏散时间的动态系统最优交通分配模型。其次，利用庞特里亚金极小原理获得最优问题的最优解。最后，通过数值算例说明所提出的模型和算法可以在紧急疏散中有效地执行。

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