用于大尺寸工件的动态长度测量系统

周森; 郭永彩; 高潮

doi:10.3788/OPE.20122011.2472

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用于大尺寸工件的动态长度测量系统

微纳技术与精密机械 | 更新时间：2020-08-12

- 用于大尺寸工件的动态长度测量系统
- Dynamic length measuring system for large scale workpieces
- 光学精密工程 2012年20卷第11期页码：2472-2478
- 作者机构：
  
  重庆大学光电技术及系统教育部重点实验室, 重庆 400030
- 作者简介：
- 基金信息：
  
  教育部重点科研项目(No.1081741)();重庆市自然科学基金资助项目(No.CSTC.2008BB3169)()
- DOI：10.3788/OPE.20122011.2472
  中图分类号： TB92;TN247
- 收稿日期：2012-06-14，
  
  修回日期：2012-07-17，
  
  纸质出版日期：2012-11-10
- 稿件说明：
移动端阅览
周森, 郭永彩, 高潮. 用于大尺寸工件的动态长度测量系统[J]. 光学精密工程, 2012,20(11): 2472-2478

ZHOU Sen, GUO Yong-cai, GAO Chao. Dynamic length measuring system for large scale workpieces[J]. Editorial Office of Optics and Precision Engineering, 2012,20(11): 2472-2478
周森, 郭永彩, 高潮. 用于大尺寸工件的动态长度测量系统[J]. 光学精密工程, 2012,20(11): 2472-2478 DOI： 10.3788/OPE.20122011.2472.

ZHOU Sen, GUO Yong-cai, GAO Chao. Dynamic length measuring system for large scale workpieces[J]. Editorial Office of Optics and Precision Engineering, 2012,20(11): 2472-2478 DOI： 10.3788/OPE.20122011.2472.

摘要

针对移动大尺寸工件的表面形貌特点

利用二维激光三角法构造出水平和垂直虚拟测量基准面;结合多传感器融合准则

建立了一种新型的大尺寸工件测量模型

并利用该模型实现了移动工件两端端面到虚拟测量基准面的位移非接触测量。采用误差分离方法自修正理论误差和运动误差的影响;结合人机交互界面

研制了高精度、低成本的移动大尺寸工件长度自动检测系统。利用该系统对在(1 00025) mm内以不同速度运动的圆柱体大尺寸工件长度进行检测

得到的检测分辨力为10 m、检测精度为100 m、工件移动速度为5 cm/s。实际运行结果表明

该系统安全、稳定、快速

可满足工业在线生产中对同类型规则的大尺寸工件控制和检测的要求。

Abstract

According to an actual engineering project and dynamic topographic features of moving workpieces

a new measuring model for large scale workpieces was established based on the virtual measurement datum structured by the two-dimensional laser triangle measuring method and the multi-sensor fusion rule. Then

a noncontact

high precision and low cost dynamic length measuring system based on the human-computer interaction was developed by using the error separation method to correct theoretical errors and motion errors. In the experiment

the two probe units were placed on the two sides of moving workpiece

the displacement between both end planes of workpiece and virtual measurement datum was measured simultaneously. Finally

A experimental measurement on the cylinder workpieces (1 00025) mm at different speeds was performed

and results show that the system can offer the resolution less than 10 m

measuring precision over 100 m

and a maximum speed of 5 cm/s. According to the actual operation results

the proposed measurement techniques and measuring system can be well applied to the length detection for similar regular large scale workpieces in industrial production.

关键词

Keywords

references

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