[1]林思雨,倪洪启,李宝志,等.基于机器视觉的波纹补偿器轴向尺寸检测[J].焊管,2023,46(2):32-40.[doi:10.19291/j.cnki.1001-3938.2023.02.006]
 LIN Siyu,NI Hongqi,LI Baozhi,et al.Axial Dimension Detection of Corrugated Compensator Based on Machine Vision[J].,2023,46(2):32-40.[doi:10.19291/j.cnki.1001-3938.2023.02.006]
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基于机器视觉的波纹补偿器轴向尺寸检测()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
46
期数:
2023年第2期
页码:
32-40
栏目:
应用与开发
出版日期:
2023-02-28

文章信息/Info

Title:
Axial Dimension Detection of Corrugated Compensator Based on Machine Vision
文章编号:
10.19291/j.cnki.1001-3938.2023.02.006
作者:
林思雨倪洪启李宝志孟宪春
1. 沈阳化工大学 机械与动力工程学院,沈阳110142; 2. 秦皇岛北方管业有限公司,河北 秦皇岛066004;3. 河北省波纹膨胀节与金属软管技术创新中心,河北 秦皇岛066004
Author(s):
LIN Siyu NI Hongqi LI Baozhi MENG Xianchun
1. School of Mechanical and Power Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China; 2. Qinhuangdao North Pipe Industry Co., Ltd., Qinhuangdao 066004, Hebei, China; 3. Hebei Province Corrugated Expansion Joint and Metal Hose Technology Innovation Center, Qinhuangdao 066004, Hebei, China
关键词:
机器视觉波纹补偿器改进Canny算子边缘特征点整体轴向尺寸相邻波纹间轴向尺寸
Keywords:
machine vision corrugated compensator improved Canny operator edge feature points overall axial dimension axial dimension between adjacent corrugations
分类号:
TG806;TP277
DOI:
10.19291/j.cnki.1001-3938.2023.02.006
文献标志码:
B
摘要:
为了准确检测波纹补偿器的变形状况,改善波纹补偿器传统检测方式的弊端,提出了一种应用机器视觉的波纹补偿器轴向尺寸检测方法。首先,使用张正友相机标定法对工业CCD相机进行标定并采集波纹补偿器图像信息,然后提出一种改进Canny算子对图像进行边缘检测,获得可处理的理想化二值图像,遍历二值化图像进行水平倾斜校正后,提取极限边缘特征点。最后,计算出波纹补偿器在世界坐标系下的整体轴向尺寸和相邻波纹间的轴向尺寸。结果表明,该方法能较为精确的计算出波纹补偿器在不同变形程度下的轴向尺寸,并利用所计算出的尺寸数据准确地判断出了波纹补偿器的变形状况,对于保证波纹补偿器平稳工作,维护生产安全具有重要意义。
Abstract:
In order to accurately detect the deformation of the corrugated compensator and improve the disadvantages of the traditional detection method of the corrugated compensator, a detection method of the axial dimension of the corrugated compensator based on machine vision is proposed. ZHANG Zhengyou camera calibration method is used to calibrate the industrial CCD camera and collect the corrugated compensator image information, and then an improved Canny operator is proposed to detect the edge of the image to obtain a processable ideal binary image. After traversing the binary image for horizontal tilt correction, the limit edge feature points are extracted. Finally, the overall axial size of the ripple compensator in the world coordinate system and the axial size between adjacent corrugations are calculated. The experimental results show that the axial size of the corrugated compensator under different deformation degrees can be accurately calculated, and the deformation of the corrugated compensator can be accurately judged by the calculated size data, which is of great significance to ensure the smooth operation of the corrugated compensator and maintain production safety.

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备注/Memo

备注/Memo:
基金项目: 辽宁省科学技术基金资助项目“厚壁螺旋定子管内外分步高压胀形机理研究”(项目编号20170540722)。收稿日期:2022-05-19作者简介:林思雨(1996—),男,硕士研究生,主要从事波纹管故障诊断与自动化研究
更新日期/Last Update: 2023-02-22