Automatic measurement system for wave height and length of sawing wire

TIAN Jia-tian; ZHAO Hui; MIN Xue-gang; DENG Kai-peng; TAO Wei

doi:10.3788/OPE.20162413.0380

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Automatic measurement system for wave height and length of sawing wire

更新时间：2020-08-13

- Automatic measurement system for wave height and length of sawing wire
- Optics and Precision Engineering Vol. 24, Issue 10s, Pages: 380-386(2016)
- 作者机构：
  
  1. 上海交通大学, 仪器科学与工程系, 上海 200240
  2. 江苏宝钢精密钢丝有限公司, 江苏海门 226100
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20162413.0380
  CLC： TH711
- Received：10 May 2016，
  
  Revised：20 June 2016，
  
  Published：14 November 2016
- 稿件说明：
移动端阅览
田家田, 赵辉, 闵学刚等. 切割钢丝波高波长自动测量系统[J]. 光学精密工程, 2016,24(10s): 380-386

TIAN Jia-tian, ZHAO Hui, MIN Xue-gang etc. Automatic measurement system for wave height and length of sawing wire[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 380-386
田家田, 赵辉, 闵学刚等. 切割钢丝波高波长自动测量系统[J]. 光学精密工程, 2016,24(10s): 380-386 DOI： 10.3788/OPE.20162413.0380.

TIAN Jia-tian, ZHAO Hui, MIN Xue-gang etc. Automatic measurement system for wave height and length of sawing wire[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 380-386 DOI： 10.3788/OPE.20162413.0380.

摘要

为了实现对切割钢丝波形与参数的自动化测量，本文研发了一种基于图像处理的切割钢丝自动测量系统。该系统使用图像测量法对钢丝的单幅图像进行采集、识别与处理，得出单幅图像中的波高波长参数。然后旋转钢丝，在钢丝旋转一周的过程中采集多幅图像，还原钢丝的3D结构模型，分离出钢丝的大小波，得出钢丝的真实参数。最后采用亚像素细分来提高图像测量的分辨率和重复精度。实验结果表明，该系统的分辨率可达0.1

m，大波波高测量精度小于1

m，小波波高测量精度小于3

m，不仅满足全自动、高重复精度的需求，在大小波识别分离方面也有着很高的准确率。

Abstract

To realize the automatic measurement of waveform and parameters of sawing wire

this paper has researched and developed a kind of automatic measurement system of sawing wire based on image processing. The system collects

identifies and handles single image of steel wire by adopting image measurement method

and parameters of wave height and length in single image are obtained. Then

rotate steel wire

and collect several images in the process of rotation of steel wire for a period. Restore 3D structural model of steel wire; separate big and small waves of steel wire

and obtain actual parameters of steel wire. Finally

adopt sub pixel subdivision to improve resolution ratio and repeated accuracy of image measurement. Experimental results show that:the resolution ratio of this system may reach 0.1

m; the measurement accuracy of big wave height is less than 1

while that of small wave height is less than 3

which not only meets demands for full automation and high repeated accuracy but also has very high accuracy ratio in the aspect of identification and separation of big and small waves.

关键词

Keywords

references

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