[1]宛传友,侯 飞,周 坤,等.基于小波分析的高精度X射线测厚仪系统设计[J].工业仪表与自动化装置,2019,(03):113-117.[doi:1000-0682(2019)03-0000-00]
　WAN Chuanyou,HOU Fei,ZHOU Kun,et al.Design of high precision X-ray thickness gauge system based on wavelet analysis[J].Industrial Instrumentation & Automation,2019,(03):113-117.[doi:1000-0682(2019)03-0000-00]
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基于小波分析的高精度X射线测厚仪系统设计

《工业仪表与自动化装置》[ISSN:1000-0682/CN:61-1121/TH]

卷:
期数:
2019年03期
页码:
113-117
栏目:
出版日期:
2019-06-15

文章信息/Info

Title:
Design of high precision X-ray thickness gauge system based on wavelet analysis
作者:
宛传友1; 侯 飞2; 周 坤2; 王积成1; 陶 俊1; 张焕发1; 冯德仁1
1.安徽工业大学 电气与信息工程学院，安徽 马鞍山 243002；
2. 上海空间电源研究所，上海 200245
Author(s):
WAN Chuanyou1;  HOU Fei2;  ZHOU Kun2;  WANG Jicheng1;  TAO Jun1;  ZHANG Huanfa1;  FENG Deren1
1.School of Electrical and Information Engineering, Anhui University of Technology, Anhui Ma’anshan 243002, China;2. Shanghai Institute of Space Power-Sources, Shanghai 200245,China
关键词:
X射线测厚仪; 高精度; 小波去噪; MATLAB
Keywords:
X-ray thickness gauge;  high-accuracy;  wavelet de-noising;  MATLAB
分类号:
TH821.1
DOI:
1000-0682(2019)03-0000-00
文献标志码:
A
摘要:
为了提高金属板材的厚度精度，研制了一套应用于中小型冷轧现场的高精度X射线测厚仪系统。利用MATLAB小波工具箱引入小波分析对厚度数据去噪处理。通过逐层分解原始的厚度信号，根据不同频段噪声信号的性质，区分出有效的厚度信号和无效的噪声干扰信号，消除或减弱噪声干扰分量，重建剩余频带信号，从而达到抑制噪声干扰的效果，来提高系统的测量精度。通过现场实际测试，该测厚仪系统有效地提高了金属板材厚度的测量精度，满足了钢厂冷轧现场测量板材厚度的要求。
Abstract:
In order to improve the thickness accuracy of sheet metal, a high precision X-ray thickness gauge system for small and medium-sized cold rolling field was developed.Using MATLAB wavelet toolbox to introduce wavelet analysis to denoise the thickness data.By decomposing the original thickness signal layer by layer and distinguishing the effective thickness signal from the invalid noise interference signal according to the nature of the noise signal in different frequency bands,the residual frequency band signal is reconstructed by eliminating or weakening the noise interference component,so as to achieve the effect of restraining the noise interference and improving the measurement accuracy of the system.Through field test,the thickness gauge system effectively improves the measurement accuracy of sheet metal thickness,and meets the requirement of measuring sheet metal thickness in cold rolling field.

参考文献/References:

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[2] Habiger,Kerry W.Thickness measurements of thin films: comparisan of techniques using characteristic X-ray line ratio techniques[J].Thin Solid Films,1992(215):108-114.
[3] 靳其兵,陈拉.往复式薄膜X射线测厚仪的研制[J].工业仪表与自动化装置,2007(01):65-67.
[4] 娄凤君.X射线测厚仪的研究与实现[D].兰州: 兰州大学,2009.[5] 张焕发.基于LabVIEW和小波分析的高精度X射线测厚系统实现[D].马鞍山:安徽工业大学.2017
[6] 赵越,屈国普,郑贤利,等.透射式特征X射线测厚仪研制[J].核电子学与探测技术,2011(5):
[7] Davied L Donoho.De-Noising by Soft-Thresholding[J]. IEEE Transactions on Information Theory,2003,41(3): 613-627.
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备注/Memo

备注/Memo:
收稿日期：2019-03-06
作者简介：宛传友(1993)，男，安徽省人，硕士研究生，主要研究方向为脉冲功率与电力电子变换技术。
更新日期/Last Update: 1900-01-01