高速铁路货运运输的物流枢纽位置与公路铁路综合运输网络的物流枢纽位置
Siyu Li1, Maoxiang Lang1, Xinghan Chen1
1School of Traffic and Transportation, Beijing Jiaotong University, Beijing, China.
PloS one
|July 11, 2023
概括
本研究介绍了一种新的高速铁路 (HSR) 货运网络,用于快递,优化枢纽位置和路由,以尽量降低成本. 拟议的混合枢纽和分支模型提高了公路-铁路混合运输的效率.
科学领域:
- 物流和供应链管理的物流和供应链管理.
- 运输工程 运输工程
- 运营研究 运营研究
背景情况:
- 快递服务面临着日益增长的需求和运营挑战.
- 现有的公路-铁路综合运输网络需要优化效率.
- 高速铁路 (HSR) 在货物运输方面具有未充分利用的潜力.
研究的目的:
- 提出和建模一个新的HSR货运网络,用于快递.
- 设计一个混合的枢纽和分支运输网络,整合公路和铁路.
- 为最大限度地降低HSR货运系统的总建设和运营成本.
主要方法:
- 开发一个混合整数编程模型来表示运输问题.
- 设计一种混合启发式算法,采用一个贪的优化策略.
- 使用来自中国快递市场的预测数据进行模拟和数值实验.
主要成果:
- 确定HSR货运网络的最佳枢纽位置.
- 验证拟议的混合整数编程模型的准确性.
- 演示混合启发式算法在确定枢纽级别,客户分配和货物路由方面的性能.
结论:
- 拟议的HSR货运网络有效地满足了快递需求.
- 混合枢纽和分支模型为公路-铁路混合运输提供了一个成本高效的解决方案.
- 开发的算法为网络优化提供了有效和高性能的方法.
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