[1]邱鹏程１,包建国２,朱 墨１,等.蒸发器传热管中心点的视觉定位[J].机械与电子,2021,(06):3-6.
　QIU Pengcheng,BAO Jianguo,ZHU Mo,et al.Visual Positioning of the Center Point of the Heat Transfer Tube of the Evaporator[J].Machinery & Electronics,2021,(06):3-6.
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蒸发器传热管中心点的视觉定位()
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机械与电子[ISSN:1001-2257/CN:52-1052/TH]

卷:
期数:
2021年06期
页码:
3-6
栏目:
设计与研究
出版日期:
2021-06-23

文章信息/Info

Title:
Visual Positioning of the Center Point of the Heat Transfer Tube of the Evaporator
文章编号:
１００１-２２５７ ( ２０２１ ) ０６-０００３-０４
作者:
邱鹏程１ ; 包建国２ ; 朱 墨１ ; 周 静１ ; 李 波１
１． 中国地质大学(武汉),湖北 武汉 ４３００７４ ;?
２． 中核武汉核电运行技术股份有限公司,湖北 武汉 ４３０２２３
Author(s):
QIU Pengcheng１ ; BAO Jianguo２ ; ZHU Mo１ ; ZHOU Jing１ ; LI Bo１
(１．China University of Geosciences ( Wuhan ), Wuhan ４３００７４ , China ;
２．China Nuclear Power Operation Technology Co．, Ltd． , Wuhan ４３０２２３ , China )
关键词:
传热管中心定位; Canny 边缘检测; 边缘像素聚类; 最小二乘法
Keywords:
center positioning for heat transfer tube; Canny-edge-detect ;  edge-pixel-cluster method ;  least-square method
分类号:
TP３９１.４１
文献标志码:
A
摘要:
针对在核电蒸发器传热管清洗流程中传热管中心定位困难的问题,提出一种机器视觉方法实现传热管中心定位.首先对输入图像进行预处理和 Canny 边缘检测,获得干扰较少的边缘信息图;然后采用边缘像素逼近聚类法准确获取传热管左右边缘集合点;最后采用最小二乘法拟合左右边缘直线,取拟合直线中点的连线中点为传热管中心.实验表明,本方法泛化能力强,定位精度高,具有现场环境下高精度、高效率的定位检测功能.
Abstract:
Aiming at the difficulty of locating the heat transfer tube center in the cleaning process of the heat transfer tube in nuclear power evaporator , a machine vision method is proposed to locate the heat transfer tube center．Firstly , preprocessing and Canny-edge-detection operations on the input image is performed to obtain an edge information map with less interference．Then the edge-pixel-approximation-cluster method is used to obtain the gathering points of the left and right edges of the heat transfer pipe accurately．Finally , the least-square method is used to get the left and right edge fitting lines , and the center point of the heat transfer pipe is just the midpoint of the midpoint line of these fitting lines．The experimental results show that this method has more advantages , such as strong generalization ability , high? position accuracy , and high precision and efficient positioning detection function in current environment．

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: ２０２１-０３-０６
基金项目:国家科技重大专项( ２０１７ZX０６９０６００９ );自然科学基金国家重大科研仪器研制项目(４１８２７８０８ );教育部新工科研究与实践项目( E-SZNL２０２００７０９ );教育部产学合作协同育人项目( ２０１８０１０８６０３４ )
作者简介:邱鹏程 (１９９６－),男,湖北恩施人,硕士,研究方向为图像处理与机器视觉;包建国 (１９８９－),男,湖北孝感人,中级工程师,研究方向为核电检修专用工具开发;朱 墨 (１９９６－),男,云南宣威人,硕士,研究方向为图像处理与机器视觉;周 静 (１９９８－),女,陕西商洛人,硕士,研究方向为图像处理与机器视觉;李 波 (１９６９－),男,湖北武汉人,博士研究生导师,教授,研究方向为地质工程装备设计理论及智能化、海洋勘探设备与仪器,通信作者.
更新日期/Last Update: 2021-06-21