Real-Time Weld Quality Prediction Using a Laser Vision Sensor in a Lap Fillet Joint during Gas Metal Arc Welding
Nondestructive test (NDT) technology is required in the gas metal arc (GMA) welding process to secure weld robustness and to monitor the welding quality in real-time. In this study, a laser vision sensor (LVS) is designed and fabricated, and an image processing algorithm is developed and implemented...
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Format: | Article |
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MDPI AG
2020-03-01
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Series: | Sensors |
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Online Access: | https://www.mdpi.com/1424-8220/20/6/1625 |
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author | Kidong Lee Insung Hwang Young-Min Kim Huijun Lee Munjin Kang Jiyoung Yu |
author_facet | Kidong Lee Insung Hwang Young-Min Kim Huijun Lee Munjin Kang Jiyoung Yu |
author_sort | Kidong Lee |
collection | DOAJ |
description | Nondestructive test (NDT) technology is required in the gas metal arc (GMA) welding process to secure weld robustness and to monitor the welding quality in real-time. In this study, a laser vision sensor (LVS) is designed and fabricated, and an image processing algorithm is developed and implemented to extract precise laser lines on tested welds. A camera calibration method based on a gyro sensor is used to cope with the complex motion of the welding robot. Data are obtained based on GMA welding experiments at various welding conditions for the estimation of quality prediction models. Deep neural network (DNN) models are developed based on external bead shapes and welding conditions to predict the internal bead shapes and the tensile strengths of welded joints. |
first_indexed | 2024-04-14T06:38:03Z |
format | Article |
id | doaj.art-1a29ae41fd0748d6836eb8695ac6b8a2 |
institution | Directory Open Access Journal |
issn | 1424-8220 |
language | English |
last_indexed | 2024-04-14T06:38:03Z |
publishDate | 2020-03-01 |
publisher | MDPI AG |
record_format | Article |
series | Sensors |
spelling | doaj.art-1a29ae41fd0748d6836eb8695ac6b8a22022-12-22T02:07:25ZengMDPI AGSensors1424-82202020-03-01206162510.3390/s20061625s20061625Real-Time Weld Quality Prediction Using a Laser Vision Sensor in a Lap Fillet Joint during Gas Metal Arc WeldingKidong Lee0Insung Hwang1Young-Min Kim2Huijun Lee3Munjin Kang4Jiyoung Yu5Joining R & D Group, Korea Institute of Industrial Technology, 156 Gaetbeol-ro, Yeonsu-Gu, Incheon 21999, KoreaJoining R & D Group, Korea Institute of Industrial Technology, 156 Gaetbeol-ro, Yeonsu-Gu, Incheon 21999, KoreaJoining R & D Group, Korea Institute of Industrial Technology, 156 Gaetbeol-ro, Yeonsu-Gu, Incheon 21999, KoreaMonisys Co., Ltd., 775, Gyeongin-ro, Yeongdeungpo-Gu, Seoul 07299, KoreaJoining R & D Group, Korea Institute of Industrial Technology, 156 Gaetbeol-ro, Yeonsu-Gu, Incheon 21999, KoreaJoining R & D Group, Korea Institute of Industrial Technology, 156 Gaetbeol-ro, Yeonsu-Gu, Incheon 21999, KoreaNondestructive test (NDT) technology is required in the gas metal arc (GMA) welding process to secure weld robustness and to monitor the welding quality in real-time. In this study, a laser vision sensor (LVS) is designed and fabricated, and an image processing algorithm is developed and implemented to extract precise laser lines on tested welds. A camera calibration method based on a gyro sensor is used to cope with the complex motion of the welding robot. Data are obtained based on GMA welding experiments at various welding conditions for the estimation of quality prediction models. Deep neural network (DNN) models are developed based on external bead shapes and welding conditions to predict the internal bead shapes and the tensile strengths of welded joints.https://www.mdpi.com/1424-8220/20/6/1625laser vision sensorcamera calibrationdeep neural networkgas metal arc weldingweld quality prediction |
spellingShingle | Kidong Lee Insung Hwang Young-Min Kim Huijun Lee Munjin Kang Jiyoung Yu Real-Time Weld Quality Prediction Using a Laser Vision Sensor in a Lap Fillet Joint during Gas Metal Arc Welding Sensors laser vision sensor camera calibration deep neural network gas metal arc welding weld quality prediction |
title | Real-Time Weld Quality Prediction Using a Laser Vision Sensor in a Lap Fillet Joint during Gas Metal Arc Welding |
title_full | Real-Time Weld Quality Prediction Using a Laser Vision Sensor in a Lap Fillet Joint during Gas Metal Arc Welding |
title_fullStr | Real-Time Weld Quality Prediction Using a Laser Vision Sensor in a Lap Fillet Joint during Gas Metal Arc Welding |
title_full_unstemmed | Real-Time Weld Quality Prediction Using a Laser Vision Sensor in a Lap Fillet Joint during Gas Metal Arc Welding |
title_short | Real-Time Weld Quality Prediction Using a Laser Vision Sensor in a Lap Fillet Joint during Gas Metal Arc Welding |
title_sort | real time weld quality prediction using a laser vision sensor in a lap fillet joint during gas metal arc welding |
topic | laser vision sensor camera calibration deep neural network gas metal arc welding weld quality prediction |
url | https://www.mdpi.com/1424-8220/20/6/1625 |
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