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首页> 外文期刊>International journal of critical infrastructure >A simple explicit model approximating the relationship between speed and density of vehicular traffic on urban roads
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A simple explicit model approximating the relationship between speed and density of vehicular traffic on urban roads

机译：一个简单的显式模型，近似于城市道路上车辆的速度和密度之间的关系

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摘要

With the increase in simulation of urban environments for the purpose of planning, modelling vehicular traffic has become important. Since empirical evidence on traffic flow is relatively sparse, models are being increasingly used for planning urban roads and environments. In this paper, a simple, explicit model is proposed to approximate the speed versus density of vehicular traffic flow. The model, which uses two parameters derived from simple measurements of real-time traffic data, allows for a prediction of the approximate relationship for congested as well as uncongested vehicular traffic flow. The proposed model is especially useful in conditions where available data is sparse and can be invaluable for the modelling and simulation of urban environments.
机译：随着以规划为目的的城市环境模拟的增加，对车辆交通进行建模已变得很重要。由于有关交通流量的经验证据相对较少，因此越来越多地使用模型来规划城市道路和环境。在本文中，提出了一个简单的显式模型来近似速度与车辆交通流的密度。该模型使用从实时交通数据的简单测量中得出的两个参数，可以预测交通拥堵和非交通拥堵的近似关系。所提出的模型在可用数据稀疏的情况下特别有用，并且对于城市环境的建模和仿真而言非常宝贵。

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