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General-Logistic-Based Speed-Density Relationship Model Incorporating the Effect of Heavy Vehicles

机译:结合重型车辆影响的基于通用逻辑的速度-密度关系模型

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摘要

Owing to its mathematical elegance and empirical accuracy, the speed-density model is critical in solving macroscopic traffic problems. This study developed an improved general-logistic-based speed-density model, which is a new method in macroscopic traffic flow theory. This article extensively discusses the properties of the general-logistic-based speed-density model. The physical meanings and values of all the parameters were determined based on the effect of heavy vehicles and the method for the linear and nonlinear regression analysis. The accuracy and versatility of the developed model were also found to be excellent based on the field data and relative error.
机译:由于其数学上的优雅和经验上的准确性,速度密度模型对于解决宏观交通问题至关重要。本研究开发了一种改进的基于一般物流的速度密度模型,这是宏观交通流理论中的一种新方法。本文广泛讨论了基于一般物流的速度密度模型的性质。根据重型车辆的影响以及线性和非线性回归分析的方法,确定所有参数的物理含义和值。基于现场数据和相对误差,开发模型的准确性和通用性也非常好。

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  • 来源
    《Mathematical Problems in Engineering》 |2019年第5期|6039846.1-6039846.10|共10页
  • 作者单位

    Changan Univ, Highway Sch, Xian 710064, Shaanxi, Peoples R China;

    Changan Univ, Highway Sch, Xian 710064, Shaanxi, Peoples R China;

    Changan Univ, Highway Sch, Xian 710064, Shaanxi, Peoples R China;

    Changan Univ, Highway Sch, Xian 710064, Shaanxi, Peoples R China;

    Changan Univ, Highway Sch, Xian 710064, Shaanxi, Peoples R China;

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