Ice Coating Shape Vision Identification on Transmission Lines Based on Improved Canny Algorithm

BIAN Rong; CHEN Keji; ZHANG Baiyan; HUANG Mingfeng; LOU Wenjuan

doi:10.13296/j.1001-1609.hva.2021.11.017

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Ice Coating Shape Vision Identification on Transmission Lines Based on Improved Canny Algorithm

更新时间：2025-04-26

- Ice Coating Shape Vision Identification on Transmission Lines Based on Improved Canny Algorithm
- High VoltageApparatus Vol. 57, Issue 11, Pages: 131-138(2021)
- 作者机构：
  
  1. 国网浙江省电力有限公司经济技术研究院
  2. 浙江大学建筑工程学院结构工程研究所
  3. 中建海龙科技有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2021.11.017
  CLC： TM752
- Published：2021
- 稿件说明：
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BIAN Rong, CHEN Keji, ZHANG Baiyan, et al. Ice Coating Shape Vision Identification on Transmission Lines Based on Improved Canny Algorithm[J]. High voltageapparatus, 2021, 57(11): 131-138.
DOI：

BIAN Rong, CHEN Keji, ZHANG Baiyan, et al. Ice Coating Shape Vision Identification on Transmission Lines Based on Improved Canny Algorithm[J]. High voltageapparatus, 2021, 57(11): 131-138. DOI： 10.13296/j.1001-1609.hva.2021.11.017.

摘要

输电线路覆冰对于电网安全来说是不容忽视的潜在威胁。覆冰除了增加导线自重、产生脱冰冲击荷载

还能够显著改变导线的气动外形

从而可能导致舞动及更为剧烈的风偏现象的产生。因此

输电导线不同覆冰冰形的识别对于输电线路冰风联合灾害的防治有着重要的意义。文中主要提出了一种用于识别输电导线覆冰冰形的视觉识别方法。该方法主要基于改进的Canny算法进行冰形识别

再通过图像变换理论进行冰形修正

最终实现冰形的快速识别及测量。通过现场图像的识别及与人工测绘之间的对比

验证了该方法的有效性和准确性。

Abstract

Ice coating of transmission line is an innegligible potential threats to the safety of the power grid. The ice coating

on one hand

can increase weight of the line itself and generate dewatering impact load and

on the other hand

can change significantly the aerodynamic configuration of the line

thus likely causing galloping and generation of serious wind-induced deflection. Therefore

identification of different ice shapes of transmission line plays an important role in preventing ice and wind coupled hazards for the transmission lines. In this paper

a kind of vision identification method for identifying ice coating shape of transmission line is mainly proposed. This method is used for ice shape identification mainly based on the improved Canny algorithms

the ice shape is corrected by image transformation theory and

finally

the fast identification and measurement of the ice shape is achieved. Both effectiveness and accuracy of the method are verified through the image identification at site and comparison with the artificial mapping.

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