Progress, challenges and trends on vision sensing technologies in automatic/intelligent robotic welding: State-of-the-art review

Q Guo, Z Yang, J Xu, Y Jiang, W Wang, Z Liu… - Robotics and Computer …, 2024 - Elsevier
Welding is a method of realizing material connections, and the development of modern
sensing technology is pushing this traditional process towards automation and intelligence …

A review of vision-aided robotic welding

T Lei, Y Rong, H Wang, Y Huang, M Li - Computers in Industry, 2020 - Elsevier
Vision-aided robotic welding has been applied in the industrial field for decades. This paper
summarizes the procedures of vision-aided robotic welding. Various methods in vision …

A robust weld seam recognition method under heavy noise based on structured-light vision

N Wang, K Zhong, X Shi, X Zhang - Robotics and Computer-Integrated …, 2020 - Elsevier
Structured-light vision systems are widely used in robotic welding. The key to improving the
robotic visual servo performance and weld quality is the weld seam recognition accuracy …

Image denoising of seam images with deep learning for laser vision seam tracking

L Yang, J Fan, B Huo, E Li, Y Liu - IEEE Sensors Journal, 2022 - ieeexplore.ieee.org
Seam tracking with structured light vision has been widely applied into the robot welding.
And the precise laser stripe extraction is the premise of automatic laser vision seam tracking …

Strong noise image processing for vision-based seam tracking in robotic gas metal arc welding

R Du, Y Xu, Z Hou, J Shu, S Chen - The International Journal of Advanced …, 2019 - Springer
The robustness of the image processing algorithm is very important based on vision sensor
in robotic seam tracking, which will directly affect the accuracy of weld seam sha** quality …

Feature extraction of welding seam image based on laser vision

X Lü, D Gu, Y Wang, Y Qu, C Qin… - IEEE Sensors …, 2018 - ieeexplore.ieee.org
This paper addresses the feature extraction algorithm of the weld groove image for a
welding robot system. The purpose is to improve the speed and the precision of the weld …

A structured light vision sensor for on-line weld bead measurement and weld quality inspection

Y Han, J Fan, X Yang - The International Journal of Advanced …, 2020 - Springer
Weld bead measurement and weld quality inspection are important parts in industrial
welding. In this paper, a structured light vision sensor is developed to achieve on-line weld …

Seam tracking system based on laser vision and CGAN for robotic multi-layer and multi-pass MAG welding

C Liu, J Shen, S Hu, D Wu, C Zhang, H Yang - Engineering Applications of …, 2022 - Elsevier
A robotic seam tracking system based on laser vision and conditional generative adversarial
networks (CGAN) was proposed to address the problem of low welding precision for the …

A precise initial weld point guiding method of micro-gap weld based on structured light vision sensor

J Fan, F **g, L Yang, L Teng, M Tan - IEEE Sensors Journal, 2018 - ieeexplore.ieee.org
Initial weld point guiding is the premise of intelligentized welding process. At present, many
initial weld point guiding methods based on structured light vision sensors and passive …

A method of feature extraction of position detection and weld gap for GMAW seam tracking system of fillet weld with variable gaps

J Gao, Y Hong, B Hong, X Li, A Jia… - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
Seam-tracking technology based on vision sensing is the key technology to realize robot
intelligent welding. Because of changes in the weld gap, the diversity of workpiece material …