城市地下快速路驾驶模拟仿真试验方法研究

Study on Driving Simulation Test Method of Urban Underground Expressway

城市地下快速路具有设计指标宽容性低、多点进出、交通组织复杂等特点。针对待建的城市地下快速路,如何通过科学的方法获取地下快速路车辆运行数据是当前研究的难点。首先,结合城市地下快速路BIM模型,介绍高逼真驾驶模拟场景搭建过程及常见问题解决方法;随后,针对试验行驶路径、交通流量等要素制订驾驶模拟试验方案;最后,计算合理的试验样本数,利用试验获得的数据,提出驾驶模拟数据分析流程与方法。为了充分探究驾驶模拟仿真试验设计方法,通过驾驶模拟手段获得城市地下快速路驾驶行为数据,可为地下快速路驾驶行为特性研究、安全性评价及运营管理策略制订提供支撑。

Urban underground expressway has the characteristics of low tolerance of design index,multi-point access&complex traffic organization,etc.In view of the urban underground expressway to be built,how to obtain the vehicle operation data of the underground expressway through scientific methods is the difficulty of current research.First of all,combining with BIM model of urban underground expressway,this paper introduces the construction process of high fidelity driving simulation scene&solutions to common problems;then,according to the test driving path,traffic flow&other factors,the driving simulation test scheme is formulated;finally,the reasonable number of test samples is calculated,and the data obtained from the test is used to propose the driving simulation data analysis process&method.In order to fully explore the design method of driving simulation test,the driving behavior data of urban underground expressway can be obtained through driving simulation,which may provide support for the research of driving behavior characteristics,safety evaluation&operation management strategy formulation of underground expressway.