高精度轨道电子地图生成系统设计与应用

Design and Implementation of High Precision Track Electronic Map Generation System

针对轨道电子地图数据类型多、人工编制工作量大且准确性不高的问题,提出一种高精度轨道电子图源数据描述方式和数据结构,设计并实现一种适用于中低运量轨道交通的高精度轨道电子地图生成系统,该系统可自动完成对仿真标注数据和现场采集数据的处理和校验,最终生成电子地图数据文件。通过搭建移动式定位数据采集平台,系统在芜湖轨道交通1、2号线得到了实际应用,应用结果表明,系统生成的高精度轨道电子地图能准确、有效地实现车辆位置匹配和图形化显示功能。

Aiming at the problems of large amount of track electronic map data,heavy workload of manual compilation and low accuracy,this paper proposes a high-precision track electronic map source data description method and data structure.A high-precision track electronic map generation system suitable for medium and low trafficvolume rail transit is designed and implemented.The system can automatically complete data processing and data verification in simulation and actual scenarios,and finally generate electronic map data file.Through the establishment of mobile positioning data acquisition platform,the system has been applied in Wuhu rail transit line 1 and 2.The application results show that the high-precision track electronic map generated by the system can accurately and effectively realize the functions of vehicle position matching and graphical display.