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Home / Proceedings / Proceedings of the AAAI Conference on Artificial Intelligence, 29 / No.1: The Twenty-Ninth Conference on Artificial Intelligence

Convergent Plans for Large-Scale Evacuations

March 8, 2023

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Authors

Caroline Even

National ICT Australia (NICTA


Victor Pillac

National ICT Australia (NICTA)


Pascal Van Hentenryck

National ICT Australia (NICTA), Australian National University (ANU)


DOI:

10.1609/aaai.v29i1.9370


Abstract:

Evacuation planning is a critical aspect of disaster preparedness and response to minimize the number of people exposed to a threat. Controlled evacuations aim at managing the flow of evacuees as efficiently as possible and have been shown to produce significant benefits compared to self-evacuations. However, existing approaches do not capture the delays introduced by diverging and crossing evacuation routes, although evidence from actual evacuations highlights that these can lead to significant congestion. This paper introduces the concept of convergent evacuation plans to tackle this issue. It presents a MIP model to obtain optimal convergent evacuation plans which, unfortunately, does not scale to realistic instances. The paper then proposes a two-stage approach that separates the route design and the evacuation scheduling. Experimental results on a real case study show that the two-stage approach produces better primal bounds than the MIP model and is two orders of magnitude faster; It also produces dual bounds stronger than the linear relaxation of the MIP model. Finally, simulations of the evacuation demonstrate that convergent evacuation plans outperform existing approaches for realistic driver behaviors.

Topics: AAAI

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HOW TO CITE:

Caroline Even|| Victor Pillac|| Pascal Van Hentenryck Convergent Plans for Large-Scale Evacuations Proceedings of the AAAI Conference on Artificial Intelligence, 29 (2015) .

Caroline Even|| Victor Pillac|| Pascal Van Hentenryck Convergent Plans for Large-Scale Evacuations AAAI 2015, .

Caroline Even|| Victor Pillac|| Pascal Van Hentenryck (2015). Convergent Plans for Large-Scale Evacuations. Proceedings of the AAAI Conference on Artificial Intelligence, 29, .

Caroline Even|| Victor Pillac|| Pascal Van Hentenryck. Convergent Plans for Large-Scale Evacuations. Proceedings of the AAAI Conference on Artificial Intelligence, 29 2015 p..

Caroline Even|| Victor Pillac|| Pascal Van Hentenryck. 2015. Convergent Plans for Large-Scale Evacuations. "Proceedings of the AAAI Conference on Artificial Intelligence, 29". .

Caroline Even|| Victor Pillac|| Pascal Van Hentenryck. (2015) "Convergent Plans for Large-Scale Evacuations", Proceedings of the AAAI Conference on Artificial Intelligence, 29, p.

Caroline Even|| Victor Pillac|| Pascal Van Hentenryck, "Convergent Plans for Large-Scale Evacuations", AAAI, p., 2015.

Caroline Even|| Victor Pillac|| Pascal Van Hentenryck. "Convergent Plans for Large-Scale Evacuations". Proceedings of the AAAI Conference on Artificial Intelligence, 29, 2015, p..

Caroline Even|| Victor Pillac|| Pascal Van Hentenryck. "Convergent Plans for Large-Scale Evacuations". Proceedings of the AAAI Conference on Artificial Intelligence, 29, (2015): .

Caroline Even|| Victor Pillac|| Pascal Van Hentenryck. Convergent Plans for Large-Scale Evacuations. AAAI[Internet]. 2015[cited 2023]; .


ISSN: 2374-3468


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