Research and prospect of welding monitoring technology based on machine vision
Welding monitoring technology based on machine vision has been widely researched in
academic and industry, especially in the background of Industry 4.0, in that it can contribute …
academic and industry, especially in the background of Industry 4.0, in that it can contribute …
Simulation and experiment for dynamics of laser welding keyhole and molten pool at different penetration status
The penetration status profoundly influences the dynamic behaviors of keyhole and molten
pool during laser welding. This paper presents a three-dimensional numerical simulation …
pool during laser welding. This paper presents a three-dimensional numerical simulation …
XGBoost-based on-line prediction of seam tensile strength for Al-Li alloy in laser welding: Experiment study and modelling
This paper studies the regression prediction of laser welding seam strength of aluminum-
lithium alloy used in the rocket storage tank by means of the optical spectrum and extreme …
lithium alloy used in the rocket storage tank by means of the optical spectrum and extreme …
Monitoring of 304 austenitic stainless-steel laser-MIG hybrid welding process based on EMD-SVM
Real-time monitoring of laser-metal inert gas (MIG) hybrid welding plays a significant role in
modern automatic production. In this paper, an innovative prediction model is proposed for …
modern automatic production. In this paper, an innovative prediction model is proposed for …
Prediction of weld back width based on top vision sensing during laser-MIG hybrid welding
Online welding quality monitoring has gained increasing attention in modern automatic
production. This work proposed a prediction method of weld back width based on top vision …
production. This work proposed a prediction method of weld back width based on top vision …
Poka yoke meets deep learning: a proof of concept for an assembly line application
M Martinelli, M Lippi, R Gamberini - Applied Sciences, 2022 - mdpi.com
In this paper, we present the re-engineering process of an assembly line that features speed
reducers and multipliers for agricultural applications. The “as-is” line was highly inefficient …
reducers and multipliers for agricultural applications. The “as-is” line was highly inefficient …
Feature extraction of laser welding pool image and application in welding quality identification
Y Gao, P Zhong, X Tang, H Hu, P Xu - IEEE Access, 2021 - ieeexplore.ieee.org
Most of the existing laser welding quality identification methods are post-weld identification
or low-speed identification (Welding speed below 120 m/min). Efficiently online monitoring …
or low-speed identification (Welding speed below 120 m/min). Efficiently online monitoring …
Research on weld seam feature extraction and defect identification technology
F Shang, D Cai, B Sun, Y Han, M Yang… - … Testing and Evaluation, 2024 - Taylor & Francis
The quality of weld seams is a core factor affecting the performance of welded components,
significantly impacting the safety and reliability of weldment structures. It holds considerable …
significantly impacting the safety and reliability of weldment structures. It holds considerable …
Monitoring of distance between laser beam and arc in laser-arc hybrid welding based on deep learning
Y Cai, C Li, H Chen, J Xiong - Optics & Laser Technology, 2024 - Elsevier
The laser beam to arc distance (D LA) in laser-arc hybrid welding will significantly affect the
heat source's thermal flow distribution and the weld joint qualities. Therefore, the …
heat source's thermal flow distribution and the weld joint qualities. Therefore, the …
Tailoring droplet transfer and molten pool flow during hybrid laser arc welding of nickel base alloy
Y Zhu, Y Cai, H Dong, M Wang - Optics & Laser Technology, 2022 - Elsevier
Hybrid laser arc welding 9% Ni steel with nickel base alloy C-276 was fabricated with
different leading modes and energy ratios. Weld seam characteristics, formation stability and …
different leading modes and energy ratios. Weld seam characteristics, formation stability and …