Design of monitor system for metal thickness based on lift-off intersection point

SHE Sheng-neng1; LI Ming-ming2

doi:10.13873/j.1000-97872009.08.008

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Design of monitor system for metal thickness based on lift-off intersection point

更新时间：2025-09-11

- Design of monitor system for metal thickness based on lift-off intersection point
- Vol. 28, Issue 8, Pages: 76-78(2009)
- 作者机构：
  
  1. 长江大学电信学院
  2. 西安交通大学机械学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872009.08.008
  CLC： TH821.1
- Published：2009
- 稿件说明：
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[1]佘生能,李鸣明.基于提离点的金属厚度监控系统设计[J].传感器与微系统,2009,28(08):76-78.

SHE Sheng-neng1, LI Ming-ming2. Design of monitor system for metal thickness based on lift-off intersection point[J]. 2009, 28(8): 76-78.
[1]佘生能,李鸣明.基于提离点的金属厚度监控系统设计[J].传感器与微系统,2009,28(08):76-78. DOI： 10.13873/j.1000-97872009.08.008.

SHE Sheng-neng1, LI Ming-ming2. Design of monitor system for metal thickness based on lift-off intersection point[J]. 2009, 28(8): 76-78. DOI： 10.13873/j.1000-97872009.08.008.

摘要

为了消除因机械振动对金属厚度监控结果造成的影响

采用提离点这个特征量来获得厚度信息。从理论上分析了在一定的提离范围内检测信号仅与金属厚度有关。设计了基于提离点的金属厚度监控系统

利用数字信号处理器（DSP）进行数字信号处理、检测和控制。给出了在开环状态下的测量数据

结果表明:测量误差小于1%。

Abstract

In order to eliminate effect on thickness of metal measurement caused by mechanical vibration

lift-off intersection point features are used to get information on the thickness.In theory

the output of sensor is only concerned with thickness of metal

but not affected by the distance.Monitor system for metal thickness based on lift-off intersection point is designed

this system reaches the function of digital signal processing

detection and control using DSP.The data acquired in open-loop state measurements is listed

the results show that measurement error is less than 1%.

关键词

Keywords

references

金属厚度的脉冲涡流无损检测研究 [J]. 郑岗,赵亮. 传感器与微系统 . 2006(04)

基于电磁检测原理的疲劳裂纹检测方法 [J]. 曹益平,李路明,黄刚,董婕,郝红伟,谢宜学. 清华大学学报(自然科学版) . 2005(11)

电涡流传感器在铝箔厚度测量中的应用 [J]. 李玉军,刘军,周军伟,张黎春. 传感器技术 . 2005(06)

多层厚度电涡流检测阻抗模型仿真及验证 [J]. 黄平捷,吴昭同,严仍春. 仪器仪表学报 . 2004(04)

定点DSP的原理、开发与应用[M]. 清华大学出版社 , 徐科军,黄云志编著, 2002

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