基于车速预测序列的交叉口引导辅助策略

Yunshun Zhang , Minglei Gao , Wanshu Wang
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引用次数: 0

摘要

为了提高城市交通系统和环境的效率,本研究提出了一种基于预测车速序列的速度引导模型。该模型引入了一种基于非线性自回归模型的多步车速预测模型,该模型具有多源外源输入(NARX)神经网络,将多源外源输入融合到速度引导模型中,以帮助车辆有效通过十字路口。利用SUMO Python软件建立了城市路网交通流仿真的实现方法,并从不同速度引导模型和不同车道数的交通网络两个维度进行了实验。结果表明,所提出的引导策略的引导精度高于之前的车速引导策略,可提高16.5%,显著减少了车辆在交叉口的空闲时间,提高了城市交通安全和运营效率。此外,所提出的速度引导策略适用于不同的城市道路网络,可以在更大程度上降低燃料消耗和污染物排放,有效改善城市交通的经济性、可持续性和运营环境。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A guidance assistance strategy for intersections based on vehicle speed prediction sequences

To improve the efficiency of urban traffic systems and environments, a speed guidance model based on a predictive vehicle speed sequence is proposed in this study. The model introduces a multi-step model of vehicle speed prediction based on nonlinear autoregressive models with a multi-source exogenous inputs (NARXs) neural network, with fusion of multi-source exogenous inputs into the speed guidance model to assist the vehicles in efficiently passing the intersections. The implementation of traffic flow simulation of urban road networks was established using SUMO-Python software, and experiments were carried out from the two dimensions of different speed guidance models and traffic networks with different numbers of lanes. The results demonstrate that the guidance accuracy of the proposed guidance strategy is higher than that of the previous vehicle speed guidance strategy, which can be improved by 16.5 %, significantly reducing the idle time of vehicles at intersections and improving urban traffic safety and operational efficiency. Moreover, the proposed speed guidance strategy is applicable to different urban road networks, which can reduce fuel consumption and pollutant emissions to a greater extent, efficiently improving the economy, sustainability, and operational environment of urban traffic.

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CiteScore
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