视距自动计算在仿真系统中的实现  

Realization of Sight Distance's Automatic Calculation in Simulation System

作　　者：刘江[1] 刘世杰[1] 荣建[1] 任福田[1] 

机构地区：[1]北京工业大学北京市交通工程重点实验室

出　　处：《北京工业大学学报》2006年第11期1011-1016,共6页Journal of Beijing University of Technology

基　　金：交通部西部建设科技项目(200331822309).

摘　　要：视距不足对驾驶员操纵车辆的行为产生作用,引起车速变化和超车行为的发生或终止．由于视距随道路交通环境条件不断发生变化,大多数仿真软件未考虑视距对模拟车辆车速及超车行为的影响．针对不同的道路线形,作者提出了用计算机自动计算视距的方法和计算步骤,为计算机模拟真实交通流特性提供了帮助．A driver＇s behavior of controlling a vehicle will be influenced if the sight distance is insufficient. Thus it causes the change of the vehicle＇s operating speed and the start or termination of the overtaking. Because sight distance changes with the road traffic condition at any time and any place, most simulation software does not consider the effect of sight distance on vehicle＇s speed and overtaking. This paper propounds a way and automatic calculation procedure for sight distance to different road alignment, offers some help to simulate the real traffic flow characteristic according to the sight distance in the simulation system.

关 键 词：计算机仿真 线形 可见性 自动运算 

分 类 号：U491.254[交通运输工程—交通运输规划与管理]