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面向公路线形评价的驾驶人方向控制模型

, PP. 84-88

Keywords: 交通工程,驾驶人模型,轨迹预瞄,线形,评价

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Abstract:

为了客观地评价公路线形设计成果,基于驾驶人轨迹预瞄理论,结合汽车的实时状态拟合预瞄轨迹,考虑汽车转向传递特征和操作的滞后性,建立了驾驶人方向控制模型,并在VB6.0环境下编制了程序,进行了车辆运行的仿真试验。结果表明所建模型可计算汽车行驶时的横向加速度和方向盘转角,能较好地反映公路的行车舒适性和安全性,并可用于公路线形的评价;汽车初始速度为0和54km/h的运行结果仅在起始路段有显著差别;在汽车运行稳定后,横向加速度和方向盘转角的变化与平面线形的变化基本一致。

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