两个信号交叉口之间城市交通的简单模型

J. Přikryl
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引用次数: 3

摘要

本文介绍了一种新的双信号交叉口交通流模型。该模型源于我们基于车辆守恒定律改进旧的宏观模型[5]的努力。为了使所提出的模型简单且在数值上易于处理,我们做了一些简化:我们不考虑车辆的加速和减速以及驾驶员的不同偏好,我们将车辆的运动分为两类:(i)停在队列中等待的车辆和(ii)以恒定巡航速度移动的车辆。在这些假设下,两个交叉口之间的车辆流可以用分段线性函数描述为几个“匝道”函数的组合。我们在两个信号交叉口的模拟场景中演示了所提出模型的行为。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Simple model for urban traffic between two signalized intersections
This paper introduces a new model of traffic flow between two signalized intersections. The model originated from our effort to improve older, macroscopic model [5] based on the conservation law of vehicles. In order to keep the proposed model simple and numerically tractable, we make several simplifications: we do not take into account acceleration and deceleration of vehicles and different preferences of drivers and we classify the movements of vehicles into two classes: (i) a stopped vehicle, waiting in a queue, and (ii) a vehicle moving with a constant cruising speed. Under these assumptions the flow of vehicles between two intersections can be described by a piece-wise linear function as a combination of several “ramp” functions. We demonstrate the behavior of the proposed model on an simulated scenario of two signalized intersections.
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