摘要
采用GPS车载测试系统和视频采集技术对佛山市城区和郊区的交通流量与行驶工况进行了测试.基于测试数据,对佛山市的交通特征、城区不同道路类型的机动车行驶特征进行了深入分析,采用特征参数法合成佛山市城区和郊区高速的行驶工况,并与欧洲标准工况进行了对比.结果表明：佛山市城区主干路、次干路和居民路平均每小时的车流量分别为3 667辆、2 418辆和822辆;郊区高速、国道和省道平均每小时的车流量分别为1 192辆3、024辆和1 583辆.城区机动车平均速度为20.54 km/h.佛山实际工况平均速度、加／减速度与NEDC相差17.26%~55.91%.
The on-board GPS measurement system and video data collection instrument were applied to collect the traffic flow and the driving cycle in the real traffic by urban and suburb areas in Foshan city.Based on the survey and test data,the study analyzed the traffic characteristics and driving pattern of different rode types in Foshan city.The Python software was employed for calculating the 11 driving cycle parameters and for simulating the driving cycles of urban areas and highways,the characteristics of driving cycle were analyzed and compared with typical European cities.The study indicates that the average traffic flow per hour of arterial、secondary and residential roads are 3 667、2 418 and 822.The traffic flow of freeway、national trunk highway and provincial trunk highway are 1 192、3 024 and 1 583.The vehicle average speed in urban area is 20.54 km/h.The discrepancy of average speed and acceleration/deceleration between driving cycle in Foshan city and NEDC is 17.26%～55.91%.
出处
《北京工商大学学报（自然科学版）》
CAS
2009年第6期18-24,共7页
Journal of Beijing Technology and Business University:Natural Science Edition
关键词
机动车
排放污染
交通特征
行驶工况
vehicle
exhaust pollutant
traffic characteristics
driving cycle
