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运用车载高精度 GPS设备 ,以直线段小客车的运行速度为主要目标 ,采集了高速公路直线段车辆连续运行速度数据 ,在分析高速公路直线段长度、直线段相邻平曲线半径对车辆运行速度影响的基础上 ,根据平曲线半径不同 ,将直线段划分为 3组 ,分别建立了直线段车辆稳定运行速度的数学模型
Using the vehicle-mounted high-precision GPS equipment, taking the running speed of the straight-line passenger car as the main goal, the continuous running speed data of the straight-line vehicle was collected. Based on the analysis of the influence of the length of the straight line of the expressway and the radius of the adjacent flat curve on the running speed of the vehicle Based on the difference of the flat curve radius, the straight line segments are divided into three groups, and the mathematical models of the steady running speed of the straight-line vehicles are established respectively