Laser-based precise measurement of tailor welded blanks: a case study

被引：4
作者：
Zou, Yuanyuan [1 ,2 ]
Zuo, Kezhu [3 ]
Liu, Honghai [4 ]
Zhou, Dalin [4 ]
机构：
[1] Shenyang Jianzhu Univ, Sch Mech Engn, 25 Hunnan Middle Rd, Shenyang 110168, Peoples R China
[2] Natl Local Joint Engn Lab NC Machin Ing Equipment, Shenyang 110168, Peoples R China
[3] Micronano Automat Inst, Vis & Intelligent Syst, Xiangcheng Ave, Suzhou 215000, Peoples R China
[4] Univ Portsmouth, Sch Comp, Lion Terrace, Portsmouth PO1 3HE, Hants, England
来源：
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2020年 / 107卷 / 9-10期
关键词：
Weld seam profile measurement; Laser vision; Texture feature; Tailor-welded blanks; Laser welding; QUALITY INSPECTION; TEXTURE ANALYSIS; VISION; SYSTEM; FUSION; MODEL;
D O I：
10.1007/s00170-020-05090-7
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Precise measurement of tailor-welded blanks is crucial for quality control of laser welding. The difficulty in measuring the seam profile of similar gage tailor-welded blanks lies in lacking of solutions to locate their feature points such as those representing the laser stripe. A laser sensor-based method is proposed to measure tailor-welded blanks based on its laser stripe and texture features, from which the proposed algorithm is employed to extract the feature points for seam profile assessment. The algorithm is evaluated on a laser-based weld seam measurement system, the experiment results show that the proposed method measures the tailor-welded blanks with high accuracy and is suitable for online inspection.
引用
收藏
页码：3795 / 3805
页数：11
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