[HTML][HTML] Review and analysis of modern laser beam welding processes
A Klimpel - Materials, 2024 - mdpi.com
Laser beam welding is the most modern and promising process for the automatic or
robotized welding of structures of the highest Execution Class, EXC3-4, which are made of a …
robotized welding of structures of the highest Execution Class, EXC3-4, which are made of a …
Online visual monitoring method for liquid rocket engine nozzle welding based on a multi-task deep learning model
Y Zhou, B Chang, H Zou, L Sun, L Wang… - Journal of Manufacturing …, 2023 - Elsevier
Online quality monitoring is important in liquid rocket engine nozzle (LREN) welding
procedures. Convolutional neural networks (CNNs) are widely applied in welding quality …
procedures. Convolutional neural networks (CNNs) are widely applied in welding quality …
Cross-attention-based multi-sensing signals fusion for penetration state monitoring during laser welding of aluminum alloy
A precision multi-sensor monitoring strategy is required to meet the challenges posed by
increasingly complex products and manufacturing processes during laser welding. In this …
increasingly complex products and manufacturing processes during laser welding. In this …
Machine learning-based in-process monitoring for laser deep penetration welding: A survey
In-process monitoring (IPM) of laser deep penetration welding (LDPW) has witnessed a
rapid growth in approaches that embrace machine learning algorithms, utilizing raw sensor …
rapid growth in approaches that embrace machine learning algorithms, utilizing raw sensor …
[HTML][HTML] Predicting laser penetration welding states of high-speed railway Al butt-lap joint based on EEMD-SVM
The Al butt-lap joints are widely applied in China Railway High-speed (CRH) trains body
joints. However, the gaps caused by the thermal deformation in Al butt-lap joints lead to the …
joints. However, the gaps caused by the thermal deformation in Al butt-lap joints lead to the …
A novel period-sensitive LSTM for laser welding quality prediction
The geometric features of the keyhole directly reflect the quality of laser welding. However,
predicting welding quality online has been a challenge in both engineering and academia …
predicting welding quality online has been a challenge in both engineering and academia …
Unveiling mechanisms and onset threshold of humping in high-speed laser welding
The fabrication of fuel cells relies on a rapid laser welding process. However, challenges
arise with the occurrence of humping when the welding speed surpasses a critical threshold …
arise with the occurrence of humping when the welding speed surpasses a critical threshold …
Active control effect of shielding gas flow on high-power fiber laser welding plume
J Zou, S Xie, H Kong, T Liu, C Fang… - Journal of Laser …, 2024 - pubs.aip.org
Plume are common physical phenomena in fiber laser keyhole welding and have serious
negative effects on the welding process. Based on this, this paper explores the regulation …
negative effects on the welding process. Based on this, this paper explores the regulation …
A data-driven time-sequence feature-based composite network of time-distributed CNN-LSTM for detecting pore defects in laser penetration welding
The pore in laser penetration welding significantly deteriorates the mechanical property, and
is an important criterion for evaluating the product quality. The intelligent diagnosis of …
is an important criterion for evaluating the product quality. The intelligent diagnosis of …
Online judgment of laser welding process based on time-frequency analyses of in-situ high-speed optical signals
An immediate and accurate judgment of laser welding quality is crucial to automobile,
shipbuilding, power battery, and many other manufacturing industries. Optical radiation is …
shipbuilding, power battery, and many other manufacturing industries. Optical radiation is …