摘要
无人直升机搭载激光雷达(LiDAR)进行输电线路巡检具有高精度、低成本的优点,为了获取高精度输电线路三维点云高精度地理空间坐标,采用基于基站差分动态后处理(PPK)、江苏省连续运行参考站(JS-CORS)、千寻位置(QX-CORS)等三种不同定位服务方式进行输电线路巡检,分析了三种定位下获取的点位定位精度以及点云质量.实际结果表明,PPK定位方式平面检核点与高程检核点误差平均值皆在0.1 m以内,其精度最高,数据质量最好,JS-CORS实时定位方式与QX-CORS实时定位方式精度次之.为无人直升机搭载LiDAR进行输电线路巡检选择定位方式提供了参考.
The unmanned helicopter equipped with LiDAR for transmission line inspection has the advantages of high accuracy and low cost.In order to obtain high-precision three-dimensional point cloud high-precision geospatial coordinates of high-precision transmission lines,it adopts three different positioning service methods,including base station differential post processed kinematic(PPK),Jiangsu Province CORS(JS-CORS),Qianxun location(QX-CORS),etc.to inspect transmission line inspections,and analyze of the point positioning accuracy and point cloud quality obtained under the three types of positioning.The actual results show that the average error between the plane check point and the elevation check point of the base station differential post-processing positioning method is within 0.1 m,which has the highest accuracy and the best data quality.The accuracy of the JS-CORS real-time positioning method and the Qianxun real-time positioning method are second.It provides a reference for unmanned helicopter carrying LiDAR for power transmission line inspection and selection of positioning methods.
作者
吴涛
张星炜
王红星
黄郑
宋煜
梁森
WU Tao;ZHANG Xingwei;WANG Hongxing;HUANG Zheng;SONG Yu;LIANG Sen(JiangSu Frontier Electric Technology Co.,Ltd.,Nanjing 211102,China;Jiangsu Institute of Geological Exploration Technology,Nanjing 210049,China)
出处
《全球定位系统》
CSCD
2021年第1期77-82,共6页
Gnss World of China
