Power line recognition method and system based on unmanned aerial vehicle laser radar detection data

CN115980701BActive Publication Date: 2026-06-19XIAN XINSHI SPACE INFORMATION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XIAN XINSHI SPACE INFORMATION TECH CO LTD
Filing Date
2023-02-15
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

In existing technologies, due to environmental and inherent quality factors, maintenance personnel cannot promptly and effectively ascertain the overall deformation status of power lines during long-term use, making timely inspection and maintenance impossible and easily leading to power failures.

Method used

The point cloud data of power lines between transmission towers is collected by drone lidar. Feature points are randomly collected and their spatial coordinates are determined. The point cloud data is collected again after a period of time for comparison. The difference between the X, Y and Z axis coordinates is calculated. The maintenance level is determined based on the difference, and periodic maintenance is carried out.

Benefits of technology

It enables timely feedback and maintenance of power line deformation status, improves maintenance efficiency, prevents power accidents caused by excessive deformation, and enhances safety.

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Abstract

This invention proposes a method and system for power line identification based on UAV lidar detection data. The method involves acquiring point cloud data of power lines between transmission towers using the UAV's lidar. The method includes: acquiring initial power line point cloud data; acquiring point cloud data again after a first preset time interval P1, denoted as the first power line point cloud data; comparing the initial power line spatial coordinates with the first power line spatial coordinates one-to-one, obtaining the X-axis coordinate difference X0, Y-axis coordinate difference Y0, and Z-axis coordinate difference Z0 respectively; determining the power line maintenance level based on the X-axis coordinate difference X0, Y-axis coordinate difference Y0, and Z-axis coordinate difference Z0; and performing periodic maintenance on the power lines according to the determined maintenance level. This invention not only effectively improves the efficiency of power line maintenance but also effectively prevents power accidents, greatly enhancing safety.
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