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Transmission inspection three-dimensional flight path automatic planning method based on laser point cloud data

A technology of laser point cloud data and automatic planning, which is applied in the directions of line-of-sight measurement, surveying and navigation, and the use of optical devices. It can solve problems such as high labor intensity, high technical requirements for UAV controllers, and difficult working conditions. The effect of avoiding safety hazards, reducing technical requirements, and improving safety and efficiency

Pending Publication Date: 2019-04-16
云南电网有限责任公司输电分公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an automatic planning method for power transmission inspection three-dimensional track based on laser point cloud data, so as to solve the problem that the transmission lines of my country's power grid still mainly rely on manual inspection methods, which are not only labor-intensive and working conditions are difficult. , and the inspection efficiency is low and the UAV inspection only realizes the inspection of the line through manual control. The technical requirements for the UAV controller are high, and it is difficult to accurately track and finely inspect the line target. Problems in the smooth implementation of inspection work

Method used

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  • Transmission inspection three-dimensional flight path automatic planning method based on laser point cloud data
  • Transmission inspection three-dimensional flight path automatic planning method based on laser point cloud data
  • Transmission inspection three-dimensional flight path automatic planning method based on laser point cloud data

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Embodiment 1

[0048] Automatic planning method of three-dimensional track for power transmission inspection based on laser point cloud data, such as figure 1 and figure 2 As shown, it includes laser point cloud data system, analysis module and UAV module. The scanner obtains the point cloud data of the object in a non-contact manner, models it and truly restores the original appearance of the object; the classification extraction module is used to separate and extract the target; the module of building a 3D model of the transmission corridor is used to establish the transmission corridor The 3D model of the UAV; the UAV inspection track module is used to plan the inspection path of the UAV; the UAV module is used for regular or special inspection work on the transmission line, and the laser point cloud data system includes point cloud data acquisition module, point cloud data splicing module, data de-drying module, data reduction module, data separation module and 3D modeling module, and ...

Embodiment 2

[0068] As the second embodiment of the present invention, compared with Embodiment 1, the difference lies in the splicing module. The splicing module in this embodiment adopts point cloud direct splicing. There must be a certain degree of overlap between them, generally greater than 30%, and there must be more obvious feature points. After the scanning is completed, find the points with the same name in the overlapping area for point cloud stitching.

Embodiment 3

[0070] As the third embodiment of the present invention, compared with Embodiment 1, the difference lies in the splicing module. In this embodiment, the splicing module is control point splicing, and the control point splicing method is as follows: use a three-dimensional laser scanner in combination with a positioning system , first determine the control points in the public area, scan the control points while scanning the object, use the positioning technology to determine the coordinates of the control points, and then register the point cloud data based on the control points.

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Abstract

The invention relates to the technical field of power grid inspection, in particular to a transmission inspection three-dimensional flight path automatic planning method based on laser point cloud data. The transmission inspection three-dimensional flight path automatic planning method comprises a laser point cloud data system, an analysis module and an unmanned aerial vehicle module. According tothe transmission patrol three-dimensional flight path automatic planning method based on the laser point cloud data, the laser point cloud data system is used as the basis, a ground point and a non-ground point are separated by combining a classification and extraction module, and a flight path of an unmanned aerial vehicle patrol power transmission channel and a tower is planned the basis, so that not only are the technical requirements of unmanned aerial vehicle control personnel reduced, but also accurate tracking and fine polling can be carried out on the line targets, and it is guaranteed that the whole inspection work is carried out smoothly; and the unmanned aerial vehicle inspection flight path module is adopted, so that the unmanned aerial vehicle inspection flight path capable of achieving automatic planning is achieved, potential safety hazards and missed detection in the manual control unmanned plane inspection of the unmanned aerial vehicle can be effectively avoided, andthe safety and the efficiency of electric power patrol are improved.

Description

technical field [0001] The invention relates to the technical field of power grid patrol inspection, in particular to an automatic planning method for three-dimensional track of power transmission patrol based on laser point cloud data. Background technique [0002] In order to realize the safe operation of the power grid, it is necessary to carry out regular or special inspections on the transmission lines, so as to detect urgent or major defects of the transmission equipment in time, eliminate the external safety hazards of the line channel, and prevent equipment accidents or external damage accidents. But so far, my country's power grid transmission lines still mainly rely on manual inspection methods, which are not only labor-intensive, working conditions are difficult, but also inspection efficiency is low. [0003] In order to meet the needs of the development and safe operation of modern power grids, UAV inspections are used instead of manual inspections. However, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S17/48G01B11/24
CPCG01B11/24G01S17/48
Inventor 黄俊波沈志苏建新蔡澍雨朱道俊李俊鹏史良池孙斌张继伟徐真高梓瑞芮照辉谢清宇王剑李雳赵红伟罗毅柯磊
Owner 云南电网有限责任公司输电分公司
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