On-line deformation monitoring of thin-walled parts based on least square fitting method and lifting wavelet transform

被引：6
作者：
Wang, Guofeng [1 ]
Yang, Xinghuan [1 ]
Wang, Zhe [1 ]
机构：
[1] Tianjin Univ, Key Lab Mech Theory & Equipment Design, Minist Educ, Tianjin 300072, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2018年 / 94卷 / 9-12期
基金：
中国国家自然科学基金;
关键词：
Thin-walled parts; Least square fitting method; Lifting wavelet transform; On-line monitoring; COMPLEX-SURFACES; COMPENSATION; PREDICTION; SYSTEM;
D O I：
10.1007/s00170-017-1145-9
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper proposed a condition monitoring system using least square fitting method and lifting wavelet transform (LWT) to realize online monitoring of the thin-walled parts' deformation. Firstly, the overall deformation matrix under LWT method is established. Then, the force signals were transformed by LWT, which were applied to the overall deformation matrix to monitor the machining deformation of the whole parts. The error between monitoring deformation and the actual deformation is within 10 mu m through experiment, which verifies the accuracy and practicability of the developed monitoring method.
引用
收藏
页码：4237 / 4246
页数：10
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