PDF(3161 KB)
PDF(3161 KB)
PDF(3161 KB)
数字孪生技术在超大型城市交通规划中的应用探讨——以成都市为例
The Application of Digital Twin Technology in Megacity Transportation Planning: Taking Chengdu As an Example
[目的/意义] 旨在有效解决超大型城市交通拥堵问题，探究数字孪生技术在城市交通规划中的有效应用。[方法/过程] 首先概述数字孪生技术的主要内容；然后，基于高德地图的城市交通设施POI数据（以成都市为例），采用核密度估计等方法对2016年、2022年城市交通设施空间分布情况进行分析，以掌握超大型城市交通设施规划布局现状以及存在的问题；最后，探究超大型城市实现数字孪生智慧交通规划的路径。[结果/结论] 成都市在过去4年间着力于缓解中心城区车流问题，但中心城区土地使用率过高，道路早已不能满足每日剧增的交通需求；停车难、找车位耗时长已成为市民驾车出行的第二难题；成都市虽呈现出交通由中心城区向外溢的趋势，但双城钟摆式交通依然会在高峰时段加大公共交通压力。因此，有必要通过布局传感设备、利用数字孪生可视化、完善P+R停车场规划等途径，实现超大型城市数字孪生智慧交通规划。
[Purpose/significance] In order to effectively solve the traffic congestion problem in megacities, it is important to explore the effective application of digital twin technology in urban transportation planning. [Method/process] This article begins by providing an overview of the main content of digital twin technology. Secondly, it analyzes the spatial distribution of urban transportation facilities using the POI data from Amap, with Chengdu City as an example. Methods such as kernel density estimation are employed to examine the spatial distribution of urban transportation facilities in 2016 and 2022, aiming to grasp the current status and existing problems in the planning layout of transportation facilities in megacities. Finally, it explores the path for megacities to achieve digital twin smart transportation planning. [Result/conclusion] Chengdu has focused on alleviating the traffic congestion problem in the central urban area over the past four years. However, due to high land utilization in the central urban area, the existing roads have long been unable to meet the increasing daily traffic demands. Parking difficulties and the long time spent finding parking spaces have become the second challenge for citizens driving in the city. Although Chengdu has shown a trend of traffic overflowing from the central urban area, the pendulum traffic in the twin cities will still increase the pressure on public transportation during peak hours. Therefore, it is necessary to realize the digital twin intelligent transportation planning of megacities by laying out sensing equipment, using digital twin visualization technology, and improving P+R planning.
digital twin technology / megacity / transportation planning
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姚乐野：论文框架设计，论文修改；
张钰鑫：初稿撰写，论文修改。
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