摘要
在现有的跟驰模型基础上,综合考虑驾驶员个体差异、车辆制动性能差异和交通路况因素,并针对前车静止、减速和匀速或加速三种不同行驶状态,以前后车所需的最小安全距离为目标,建立不同行驶工况下的人-车-路环境下的最小安全距离车辆跟驰模型。最后,针对前车不同行驶工况下对最小安全距离进行数值计算,并与现有的传统模型计算结果进行对比。结果表明:在车辆跟驰过程中,前后车之间所需的最小安全距离会受人、车、道路环境影响而有所变化,文中建立的模型更加准确、合理,符合真实交通现象。
On the basis of the existing car-following model,in connection with the leading vehicle in static,deceleration,and uniform speed or acceleration driving states,a car-following model based on driver-vehicle-road system is put forward after considering the driver factors,vehicle braking performance factors and road conditions factors.Then the numerical simulation analysis is made using the built model in allusion to the driving states of leading vehicle by the Matlab simulation platform.In the paper the numerical calculation results are compared with those given by the existing car-following model.Analysis result indicates that the minimum safety distance required between following vehicle and leading vehicle is not the same since considering driver-vehicle-road system.Thus,the model is more accurate and reasonable,and can better reproduce the car-following behavior as well.
出处
《公路》
北大核心
2015年第3期139-145,共7页
Highway
基金
国家自然科学基金项目
项目编号51268017
关键词
跟驰模型
驾驶员
车辆制动性能
交通路况
最小安全距离
car-following model
driver
vehicle braking performance
road conditions factors
minimum safety distance
