在现行道路和交通条件下估计通行能力的在线程序的应用

B. van Arem, M. J. van der Vlist, S. Smulders
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引用次数: 5

摘要

本文描述了一种估算高速公路行车道当前通行能力的程序的开发和离线测试。该程序专门用于在交通仍然畅通的情况下估计通行能力。它基于对当前基本图的在线估计,以及在自由流动条件下可能在行车道上实现的环路检测器的最大占用。基本图的合适表示和最大占用是基于使用大量数据集的调查。在线程序本身是针对不同的天气条件开发和测试的。该程序对变化的天气条件(干/湿)有良好的反应。该方法在动态交通管理系统中具有广阔的应用前景。最后对今后的研究提出了建议。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Application of an on-line procedure for estimating capacity under prevailing roadway and traffic conditions
The development and offline testing of a procedure for estimating the current capacity at a motorway carriageway are described. The procedure is specifically aimed at estimating capacity while the traffic is still free-flowing. It is based on the combination of an online estimate of the current fundamental diagram, and the maximal occupancy of a loop detector that may be achieved at a carriageway under free-flowing conditions. Suitable representations for the fundamental diagram and the maximal occupancy are based on investigations using a large set of data. The online procedure itself is developed and tested for different sets of weather condition. Good responses of the procedure to changing weather conditions (dry/wet) have been obtained. It is concluded that the procedure offers promising perspectives for eventual application in dynamic traffic management systems. Suggestions for future research are given.
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