| 基于广义倒频谱的无缝钢管在线高精度测厚技术 |
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| 引用本文： | 杜瑞涛,项占琴,杨克己.基于广义倒频谱的无缝钢管在线高精度测厚技术[J].工程设计学报,2011,18(2):130-133. |
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| 作者姓名： | 杜瑞涛 项占琴 杨克己 |
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| 作者单位： | 浙江大学现代制造工程研究所; |
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| 基金项目： | 国家高技术研究发展计划(863计划)资助项目(2006AA04Z329) |
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| 摘 要： | 为了满足无缝钢管在线高精度测厚的需求,开展了基于广义倒频谱测厚技术的研究.分析了传统测厚算法的缺点,提出一种基于广义倒频谱的无缝钢管在线测厚方法,此算法结合了相关分析和倒频谱的综合优势,处理后的波形峰值尖锐,提高了测厚精度；在此基础上对在线系统钢管旋转造成的声程误差进行了补偿.实验结果证明该方法测量精度高,实时性强,适用于工业无缝钢管在线高精度检测系统.
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| 关 键 词： | 广义倒频谱 在线检测 无缝钢管 高精度测厚 |
The accuracy measurement technology for wall thickness online inspection of seamless tubes based on generalized cepstrum |
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| DU Rui-tao,XIANG Zhan-qin,YANG Ke-ji.The accuracy measurement technology for wall thickness online inspection of seamless tubes based on generalized cepstrum[J].Journal of Engineering Design,2011,18(2):130-133. |
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| Authors: | DU Rui-tao XIANG Zhan-qin YANG Ke-ji |
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| Affiliation: | DU Rui-tao,XIANG Zhan-qin,YANG Ke-ji(Institute of Modern Manufacture Engineering,Zhejiang University,Hangzhou 310027,China) |
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| Abstract: | In order to meet the need for online accuracy wall thickness measurement of seamless tubes,the authors discussed a technology of wall thickness measurement based on generalized cepstrum.The disadvantages of correlation in wall thickness measurement were analyzed.A measuring method based on generalized cepstrum was presented.It integrated the advantages of correlation analysis and cepstrum.The accuracy was highly improved.Further more,the authors compensated the online error caused by the rotation of the tub... |
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| Keywords: | generalized cepstrum online inspection seamless tube wall thickness measurement |
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