通过考虑旅行时间,模拟和改进多式联网超级网络载荷能力的方法
1College of Transportation Engineering, Chang''an University, Xi'an, Shaanxi Province, China.
PloS one
|December 22, 2025
概括
本研究测量了城市交通拥堵时的网络承载能力. 调查结果显示,道路和率的增加显著降低了承载能力,而扩建则提供了轻微的增加.
科学领域:
- 运输工程 运输工程
- 网络分析 网络分析
- 城市规划 城市规划
背景情况:
- 评估网络承载能力对于管理城市交通拥堵至关重要.
- 现有的车型往往难以应对混合拥挤的道路条件和多式联运交通.
研究的目的:
- 开发一个模型来测量在混合拥挤条件下的网络承载能力.
- 优化城市道路网络的承载能力,平均行程时间和扩建成本.
主要方法:
- 提出了一个基于能力限制的多目标双层规划模型.
- 检查了理想的行程时间和路段容量.
- 利用一个聚合函数方程与流量和行驶阻抗属性.
主要成果:
- 随着旅行时间的减少,承载能力下降.
- 道路和率的0.7至0.9的增加导致承载能力下降了27.1%.
- 将扩张限制提高了一定的比例,导致承载能力增加了15.7%.
结论:
- 拟议的模型有效地解决了城市交通拥堵问题.
- 结果为优化多式联运交通流量分配和路线规划提供了洞察力.
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