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Pornsak Srisungsitthisunti. Real-time feedback control during fiber laser welding of low carbon steel sheets. (). King Mongkut's University of Technology North Bangkok. Central Library. : , 2020.
Real-time feedback control during fiber laser welding of low carbon steel sheets
Name: Boonrit Kaewprachum
Organization :
King Mongkut's University of Technology North Bangkok. Faculty of Engineering
Organization :
King Mongkut's University of Technology North Bangkok. Faculty of Engineering
Email :
pornsak.s@eng.kmutnb.ac.th
keyword:
IR camera
ThaSH:
Feedback control systems
ThaSH:
Mild steel
ThaSH:
Laser welding
Abstract:
Real-time quality control of laser welding of steel sheets was studied by using
feedback information taken by an infrared camera. This method analyzed infrared
images during welding to directly determine the quality of welding using the average
temperature (Avg.Temp) and the size of the molten pool. The Avg.Temp and the size
of the molten pool depended on laser power, laser welding speed, materials, thickness,
and so on. In this experiment, we fixed all the welding parameters except the laser
welding power and the steel sheet thickness. The feedback control system was able to
adjust the laser power to maintain the welding temperature within ±50 °C accuracy. By
monitoring and controlling the Avg.Temp of the molten pool, the low carbon steel
sheets with varying thicknesses (0.5-1.0 mm) could be welded together with the
optimum laser power. The welded specimens were characterized on welding appearance
and full penetration depth. Our feedback control technique was suitable for the
automatic laser welding system of metal sheets with unknown thickness and varying
thickness.
King Mongkut's University of Technology North Bangkok. Central Library
Address:
BANGKOK
Email:
library@kmutnb.ac.th
Created:
2020
Modified:
2025-06-04
Issued:
2025-06-04
บทความ/Article
application/pdf
BibliograpyCitation :
In Ubon Ratchathani University Faculty of Engineering. The 11th TSME International Conference on Mechanical Engineering 2020 (TSME-ICoME11) (pp.177-183) Ubon Ratchathani : Ubon Ratchathani University
eng
©copyrights King Mongkut's University of Technology North Bangkok
RightsAccess:
ใช้เวลา
0.025172 วินาที
Boonrit Kaewprachum
| Title | Contributor | Type |
|---|---|---|
| Real-time feedback control during fiber laser welding of low carbon steel sheets
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Boonrit Kaewprachum;Pornsak Srisungsitthisunti | บทความ/Article |
Pornsak Srisungsitthisunti
| Title | Contributor | Type |
|---|---|---|
| Real-time feedback control during fiber laser welding of low carbon steel sheets
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Boonrit Kaewprachum;Pornsak Srisungsitthisunti | บทความ/Article |