In situ detection of welding defects: A review
AS Madhvacharyula, AVS Pavan, S Gorthi, S Chitral… - Welding in the …, 2022 - Springer
Weld defect detection is a crucial aspect for improving the productivity and quality of the
welding process. Several non-destructive methods exist for the identification of defects post …
welding process. Several non-destructive methods exist for the identification of defects post …
Monitoring and flaw detection during wire-based directed energy deposition using in-situ acoustic sensing and wavelet graph signal analysis
The goal of this work is to detect flaw formation in the wire-based directed energy deposition
(W-DED) process using in-situ sensor data. The W-DED studied in this work is analogous to …
(W-DED) process using in-situ sensor data. The W-DED studied in this work is analogous to …
Context awareness in process monitoring of additive manufacturing using a digital twin
Abstract Wire Arc Additive Manufacturing allows the cost-effective manufacturing of
customized, large-scale metal parts. As the post-process quality assurance of large parts is …
customized, large-scale metal parts. As the post-process quality assurance of large parts is …
[HTML][HTML] Inference of highly time-resolved melt pool visual characteristics and spatially-dependent lack-of-fusion defects in laser powder bed fusion using acoustic and …
With a growing demand for high-quality fabrication, the interest in real-time process and
defect monitoring of laser powder bed fusion (LPBF) has increased, leading manufacturers …
defect monitoring of laser powder bed fusion (LPBF) has increased, leading manufacturers …
Three-dimensional vision-based sensing of GTAW: a review
X Wang - The International Journal of Advanced Manufacturing …, 2014 - Springer
Automated and robotic welding is now widely used in manufacturing industry. The control of
the welding process plays a crucial role in producing quality welds in automated and robotic …
the welding process plays a crucial role in producing quality welds in automated and robotic …
Investigation on arc sound and metal transfer modes for on-line monitoring in pulsed gas metal arc welding
The arc sound was found to be strongly related to both process parameters and weld quality,
like voltage and current signals, in gas metal arc welding. In this investigation, the acquired …
like voltage and current signals, in gas metal arc welding. In this investigation, the acquired …
Distance-based multivariate anomaly detection in wire arc additive manufacturing
Wire Arc Additive Manufacturing (WAAM) offers the possibility to build up large-scale metal
parts. Data which is obtained from a multivariate sensor system in-situ must be analyzed …
parts. Data which is obtained from a multivariate sensor system in-situ must be analyzed …
Robot based wire arc additive manufacturing system with context-sensitive multivariate monitoring framework
Large scale, metal parts are commonly manufactured by milling with a buy-to-fly-ratio of up
to 10. A resource efficient alternative is the production by Direct Energy Deposition (DED) …
to 10. A resource efficient alternative is the production by Direct Energy Deposition (DED) …
Monitoring of weld penetration using arc acoustics
The weld penetration monitoring is a challenging work in modern automated manufacturing
industries. The weld quality can be improved with higher depth of penetration and less weld …
industries. The weld quality can be improved with higher depth of penetration and less weld …
Welding penetration recognition based on arc sound and electrical signals in K-TIG welding
This paper presents a novel methodology for welding penetration recognition in Keyhole
Tungsten Inert Gas (K-TIG) welding. A multisensor sensing system is established to acquire …
Tungsten Inert Gas (K-TIG) welding. A multisensor sensing system is established to acquire …