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Application of hybrid techniques to the modelling of interurban road networks

机译:混合技术在城区道路网络建模中的应用

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A hybrid model for interurban road network traffic is presented, which is characterized by the superimposition of two different modelling levels. The regular traffic conditions are represented by means of a macroscopic model, whereas the nonrecurrent situations are described in terms of discrete events. Apart from the originality of the application of hybrid modelling to the context of road networks, the novelty of the proposed model mainly relies on the possibility of describing the behaviour of different classes of vehicles. In particular, this is allowed by the definition of a new traffic fundamental diagram and by the introduction of interference terms into the equations describing the continuous part of the model. The presence of a discrete event modelling level enables an effective representation of the interactions among the different types of vehicles also under such unpredictable events as car accidents, traffic congestion, and critical weather conditions. The comparison between the real and the simulated evolution of some significant traffic variables is provided to give a feeling of the model experimental validation phase.
机译:介绍了一个混合型路线网络流量的混合模型,其特征在于两个不同的建模水平的叠加。常规交通条件是通过宏观模型表示的,而非逆转情况是根据离散事件描述的。除了将混合模型应用于道路网络的背景之外,拟议模式的新颖性主要依赖于描述不同类车辆行为的可能性。特别地,这是通过对新的交通基础图的定义以及将干扰项引入描述模型的连续部分的方程来允许。在这种不可预测的事件中,不同类型的车辆之间的相互作用的存在,也可以在汽车事故,交通拥堵和危重天气条件下实现不同类型的车辆之间的相互作用。提供了一些重要的交通变量的实际和模拟演化之间的比较,以给出模型实验验证阶段的感觉。

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