基于倾斜航空摄影测量技术建立动态路网模型的交通仿真方法  

A Traffic Simulation Method for Constructing Dynamic Road Network Model Based on Inclined Oblique Aerial Photogrammetry

作　　者：张国星 王海晓[2] 李娅男[2] ZHANG Guo-xing;WANG Hai-xiao;LI Ya-nan(Civil Engineering College,Shenzhen University,Shenzhen 518061,China;Energy and Traffic Engineering College,Inner Mongolia Agricultural University,Hohhot 010018,China)

机构地区：[1]深圳大学土木工程学院,深圳518061 [2]内蒙古农业大学能源与交通工程学院,呼和浩特010018

出　　处：《科学技术与工程》2018年第33期215-223,共9页Science Technology and Engineering

基　　金：内蒙古自治区高等学校科学技术研究项目(NJZY17065)资助

摘　　要：提出了基于倾斜航空摄影测量技术,从实景测量中提取道路三维线形数据,将数据通过自编程序转化为仿真文件的新建模方法。选取坡道路段和交叉口分别作为路网建模仿真实验方案;采用对照实验法研究了道路线形、车型比、交通负荷等方面发生变化时,新建模方法和传统路网建模方法在仿真结果上的差异。仿真结果表明:新模型中车流的速度和加减速的变化更符合真实行驶状态,可以减少静态数据误差对仿真结果的影响;新模型中车速与加减速度在不同交通流情况下对车道坡度变化更敏感,与实际交通状态的模拟精度及仿真参数的精准度更高。A new method that using the three dimensional linear data of road from the real scene measured from inclined oblique aerial photogrammetry is put forward,then organize the data into a new modeling method of the simulation file through self-programming,and finally select the ramp and intersection as road network modeling simulation experiments.Through comparing and analyzing the final effect of the road network simulation between new method and traditional method in different vehicle ratio,different traffic flow and different seed.The results show that the change of vehicle speed,the acceleration and deceleration in the new model is more in line with the actual driving state,the road network data of traffic simulation modeling more close to the actual situation;The vehicle speed,the acceleration and deceleration in the new model are more sensitive to lane gradient changes under different traffic flows.It is concluded that the model established by the new method has higher simulation precision and better fit with the actual traffic condition.

关 键 词：倾斜摄影测量 交通仿真 BENTLEY ORD PTV VISSIM 

分 类 号：U491.1[交通运输工程—交通运输规划与管理]