研究水地多式联运应急调度模型和决策方法,考虑实际道路网络洪水情况
Yan Song1, Baiqing Sun1, Yunwu Han2
1School of Management, Harbin Institute of Technology, Harbin, China.
概括
城市洪水需要改进紧急救援计划. 这项研究介绍了一种多式联运运输网络和改进的A*算法,用于高效的合作救援,优化旅行时间.
科学领域:
- 灾害管理 灾害管理
- 运输工程 运输工程
- 运营研究 运营研究
背景情况:
- 城市洪水是由于快速城市化的日益增长的威胁,需要加强应急响应能力.
- 现有的救援计划模型不足以应对复杂的城市洪水场景,尤其是道路网络中断.
- 使用多种车型的合作救援对于提高灾难情况的效率至关重要.
研究的目的:
- 为了解决城市洪水应急救援计划问题,考虑到现实世界的道路淹水.
- 开发一个有效的决策算法,用于合作的多式联运紧急救援行动.
- 通过最大限度地减少旅行时间,长度和等待时间来优化救援任务的完成.
主要方法:
- 建立了一个四层次的紧急运输网络,利用协作水-地面多式联运运输转运方式.
- 开发了一个交互式等级优化模型,其目标包括行程长度,时间和等待时间.
- 提出了改进的A*算法和调度方案决策算法,整合了A*和贪的方法.
主要成果:
- 与传统方法相比,改进的A*算法显示出更高的速度和准确性.
- 拟议的调度模型和决策算法有效地解决了城市洪水救援的复杂性.
- 一个实践示例验证了模型的有效性,产生了一个最佳的调度方案.
结论:
- 开发的多式联运网络和决策算法显著提高了城市洪水紧急救援效率.
- 改进的A*算法为复杂的调度问题提供了更快,更准确的解决方案.
- 这项研究为优化在易发生灾害的城市环境中的应急响应提供了一个强大的框架.
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