Suspension Insulator String Damage Detection Technology Based on Curve Fitting

HUANG Xinbo; ZHANG Fei

doi:10.13296/j.1001-1609.hva.2015.11.019

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Suspension Insulator String Damage Detection Technology Based on Curve Fitting

更新时间：2025-04-26

- Suspension Insulator String Damage Detection Technology Based on Curve Fitting
- High VoltageApparatus Vol. 51, Issue 11, Pages: 116-121+127(2015)
- 作者机构：
  
  西安工程大学电子信息学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.11.019
  CLC： TM216;TP391.41
- Published：2015
- 稿件说明：
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[1]黄新波,张菲.基于曲线拟合的悬式绝缘子串外力破损检测技术[J].高压电器,2015,51(11):116-121+127.

HUANG Xinbo, ZHANG Fei. Suspension Insulator String Damage Detection Technology Based on Curve Fitting[J]. High voltageapparatus, 2015, 51(11): 116-121+127.
[1]黄新波,张菲.基于曲线拟合的悬式绝缘子串外力破损检测技术[J].高压电器,2015,51(11):116-121+127. DOI： 10.13296/j.1001-1609.hva.2015.11.019.

HUANG Xinbo, ZHANG Fei. Suspension Insulator String Damage Detection Technology Based on Curve Fitting[J]. High voltageapparatus, 2015, 51(11): 116-121+127. DOI： 10.13296/j.1001-1609.hva.2015.11.019.

摘要

为了减少因绝缘子串外力破损给输电线路运行带来的严重影响

提高线路运行维护水平

文中提出一种将差分法和曲线拟合法相结合的悬式绝缘子串外力破损检测方法。其以截取的视频流中绝缘子串的单帧图像为研究对象

通过Canny算子提取出绝缘子串的边缘

运用曲线拟合的方法将提取出的边缘拟合成标准的光滑曲线

将提取出的边缘曲线与拟合的标准曲线进行差分

通过差值来判断绝缘子是否处于完好状态。仿真结果表明

该方法较传统的基于背景差分法的绝缘子串破损检测法运行速度更快

且能准确地定位出绝缘子串的破损处。

Abstract

In order to reduce the serious influence the insulator string breakage force on the transmission line operation

and to improve the level of line operation maintenance

a kind of damage detection method for the suspension insulator string mixed with difference method and curve fitting is proposed in this paper. Single frame image intercepted from the insulator string video stream is used as the research object

though the canny operator to extract the edge of the insulator string

and the extracted edge into smooth and standard curve is fitted by fitting method

then the difference of the extracted edge and the fitted standard curve is computed through the differential value to judge whether the insulator is in good condition. Simulation results show that this method has a faster running speed than the traditional insulator string broken detection method which is based on the background difference

and can accurately locate the breakage of insulator string.

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