大众科技
大衆科技
대음과기
DAZHONG KEJI
2013年
1期
57-59
,共3页
LiDAR%数字电网%点云%滤波%电力线提取
LiDAR%數字電網%點雲%濾波%電力線提取
LiDAR%수자전망%점운%려파%전력선제취
LiDAR%digital grid%point cloud%filtering%power line extraction
随着智能电网建设的大规模开展,对电网快速、高精度勘测、巡查和可视化管理提出了巨大的应用需求.本文对基于机载LiDAR的电力巡线应用进行系统研究,首先对电力巡线的需求进行了分析和总结,其次,提出了基于输电线路LiDAR点云数据自动提取电力线的思路与方法,对剖面切割滤波方法进行植被提取的实用性进行了分析探讨.最后,以南方电网LiDAR勘测项目为例,对基于LiDAR的电力线提取精度进行了试验评定,表明基于LiDAR可快速高精度建立三维数字电网数据库,满足智能电网应用要求.
隨著智能電網建設的大規模開展,對電網快速、高精度勘測、巡查和可視化管理提齣瞭巨大的應用需求.本文對基于機載LiDAR的電力巡線應用進行繫統研究,首先對電力巡線的需求進行瞭分析和總結,其次,提齣瞭基于輸電線路LiDAR點雲數據自動提取電力線的思路與方法,對剖麵切割濾波方法進行植被提取的實用性進行瞭分析探討.最後,以南方電網LiDAR勘測項目為例,對基于LiDAR的電力線提取精度進行瞭試驗評定,錶明基于LiDAR可快速高精度建立三維數字電網數據庫,滿足智能電網應用要求.
수착지능전망건설적대규모개전,대전망쾌속、고정도감측、순사화가시화관리제출료거대적응용수구.본문대기우궤재LiDAR적전력순선응용진행계통연구,수선대전력순선적수구진행료분석화총결,기차,제출료기우수전선로LiDAR점운수거자동제취전력선적사로여방법,대부면절할려파방법진행식피제취적실용성진행료분석탐토.최후,이남방전망LiDAR감측항목위례,대기우LiDAR적전력선제취정도진행료시험평정,표명기우LiDAR가쾌속고정도건립삼유수자전망수거고,만족지능전망응용요구.
With the construction of a large scale smart grid, the fast grid, high-precision surveying, inspection and visualization management application have huge requirements. In this paper, a power line inspection approach based on airborne LiDAR is discussed. Firstly, power line inspection requirements are analyzed and summarized. Secondly, an automatic power line extraction algorithm from LiDAR point cloud is presented. Profile cutting extraction of vegetation filter are analyzed and discussed. Finally, the China Southern Power Grid LiDAR survey project as an example, the power line extraction accuracy from the LiDAR point cloud data result show that LiDAR can be taken as a fast and high precision approach for the three-dimensional digital network database establish to meet Smart Grid applications.