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网联环境下车辆速度控制模型对比研究

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摘要 为缓解城市道路交叉口拥堵问题,依托网联环境下单点信号控制交叉口车速引导控制方法,将交通效率和燃油消耗作为优化目标,构建基于到达的车速控制、基于实时车辆行驶状态的车速控制和考虑排队的车速控制三种单点速度控制模型。利用PTV Vissim对有无速控模型、不同速控模型、不同渗透率的情形分别进行仿真,对比不同情形下,交叉口的平均延误、平均停车次数和油耗并绘制不同渗透率下车辆行驶轨迹图。通过对比不同渗透率下车辆的行驶轨迹图,分析不同车辆构成的情形下车辆行驶轨迹以及交通流的变化和成因。通过对比不同渗透率下无速控模型以及三种速控模型在平均延误、平均停车次数、油耗上的差异,表明实时车速控制模型在三个速控模型中表现最优,较基于到达的速控模型在降低平均延误和油耗方面有一定优势,分别下降46.3%,10.9%,与考虑排队的车速控制模型无明显差异,该模型能够显著改善交通通行效率和燃油经济。
出处 《汽车与安全》 2024年第9期70-77,共8页 Auto & Safety
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