基于GIS的城市道路交通流信息发布系统应用研究  

Applied research on urban road traffic flow information publishing system based on GIS

作　　者：向万里[1,2] 马寿峰[1] 钟石泉[1] 

机构地区：[1]天津大学系统工程研究所,天津300072 [2]兰州交通大学交通运输学院,兰州730070

出　　处：《计算机应用研究》2011年第6期2120-2122,共3页Application Research of Computers

基　　金：国家自然科学基金资助项目(70971094);国家自然科学青年基金资助项目(50908155);天津市科技支撑计划基金重点资助项目(08ZCKFSF01000)

摘　　要：根据基于GPRS/GPS/GSM浮动车交通流信息采集系统实时采集的交通流瞬时速度、路段速度、车辆定位等信息,借助面向对象技术、GIS技术、数据库技术,设计、开发了基于GIS的城市交通流信息发布系统。系统采用数据库中的存储过程技术处理海量交通流信息与G IS信息等数据表的多表连接,实现了高效率信息查询,并融合G IS专题地图技术和数据库技术实现浮动车辆历史轨迹动态回放、交通流路段速度查询、可视化显示。开发的系统在天津市部分路段进行实验,系统能稳定、可靠地实现交通流信息发布,并能快速有效地查询城市道路交通流信息及识别城市道路网络路况瓶颈,可以辅助交通管理者进行交通管理决策。According to instantaneous velocity,link velocity,vehicle positioning information of the floating car information collection system based on GPRS/GPS/GSM,this paper designed and developed urban road traffic flow information publishing system with the technology of objected-oriented,GIS,and database.Stored procedure of database was used to dealing with the inner-join interrelation of multiple database table between large-scale traffic flow information and geographic information.And so,guaranteed the high performance of information query.Moreover,not only the historical driving trace of floating car could be dynamically played back,but also car link velocity could be queried and visualized by using thematic map and database technology.Finally,the system was of stable and reliable during the application to the trial of partial urban roads in Tianjin City.And that urban road traffic information can be queried in high speed,and the bottleneck of urban road traffic network can be easily recognized.Therefore,traffic manager can be aided to make decision to dealing with traffic jam.

关 键 词：交通流信息 地理信息系统 存储过程 MAPX控件 专题地图 

分 类 号：TP302[自动化与计算机技术—计算机系统结构]