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An Improved Car-Following Model Accounting for Impact of Strong Wind

机译：考虑强风影响的改进的跟车模型

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摘要

In order to investigate the effect of strong wind on dynamic characteristic of traffic flow, an improved car-following model based on the full velocity difference model is developed in this paper. Wind force is introduced as the influence factor of car-following behavior. Among three components of wind force, lift force and side force are taken into account. The linear stability analysis is carried out and the stability condition of the newly developed model is derived. Numerical analysis is made to explore the effect of strong wind on spatial-time evolution of a small perturbation. The results show that the strong wind can significantly affect the stability of traffic flow. Driving safety in strong wind is also studied by comparing the lateral force under different wind speeds with the side friction of vehicles. Finally, the fuel consumption of vehicle in strong wind condition is explored and the results show that the fuel consumption decreased with the increase of wind speed.
机译：为了研究强风对交通流动态特性的影响，提出了一种基于全速差模型的改进的跟车模型。介绍了风力作为跟风行为的影响因素。在风力的三个分量中，考虑了升力和侧向力。进行了线性稳定性分析，并推导了新开发模型的稳定性条件。进行了数值分析，以探索强风对小扰动的时空演化的影响。结果表明，强风能显着影响交通流量的稳定性。还通过比较不同风速下的侧向力与车辆的侧向摩擦力来研究强风下的行驶安全性。最后，研究了大风条件下车辆的油耗，结果表明，随着风速的增加，油耗降低。

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  • 来源
    《Mathematical Problems in Engineering》 |2017年第10期|4936490.1-4936490.12|共12页
  • 作者

    Liu Dawei; Shi Zhongke; Ai Wenhuan;

  • 作者单位

    Northwestern Polytech Univ, Coll Automat, Xian 710072, Shaanxi, Peoples R China;

    Northwestern Polytech Univ, Coll Automat, Xian 710072, Shaanxi, Peoples R China;

    Northwestern Polytech Univ, Coll Automat, Xian 710072, Shaanxi, Peoples R China;

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