Online behavior-robust feedback information routing strategy for mass evacuation

被引:69
作者
Chiu, Yi-Chang [1 ]
Mirchandani, Pitu B. [2 ]
机构
[1] Univ Arizona, Dept Civil Engn & Engn Mech, Tucson, AZ 85721 USA
[2] Univ Arizona, Dept Syst & Ind Engn, ATLAS Ctr, Tucson, AZ 85721 USA
基金
美国国家科学基金会;
关键词
behavior robust; DynusT; feedback information routing (FIR); mass evacuation; traffic simulation;
D O I
10.1109/TITS.2008.922878
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
Disaster response to manmade and natural events involves the quick evacuation of the affected population to safer areas. Given the potential for large-scale loss of life and property, there is a need for effective emergency strategies to mitigate the adverse effects of these disasters. Most existing evacuation traffic management strategies focus on increasing network capacity along the evacuation direction such as contraflow lanes, but other information or routing strategies have not been fully explored. Optimal routing strategies can be presented to evacuees as recommended routes. Advising evacuees that take system-optimal routes help balance the distribution of evacuation flows among multiple evacuation routes. However, a critical aspect in evaluating the effectiveness of such strategies is to properly account for the possible evacuation route-choice behavior. This study analyzed the situation in which evacuees are given a set of system-optimal paths; evacuees choose their evacuation routes, following a certain route-choice behavior (rational, panic, etc.). Discussions focus on the extent to which the routing effectiveness can be properly estimated, subject to the route-choice behavior. This paper further proposes a behavior-robust feedback information routing (FIR) strategy to further improve system performance. The FIR is based on the concept of closed-loop control that reacts to the system state and updates the advised routes. The FIR that targets the system-optimal routing strategy has been shown to be effective and robust for real-time evacuation traffic management.
引用
收藏
页码:264 / 274
页数:11
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