Monday, June 24, 2019

Modeling, Sensing and Control of Gas Metal Arc Welding

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Arc welding is one of the key processes in industrial manufacturing. It is believed that in the entire metal fabrication industry, arc welding is the third largest job category behind assembly and machining. In particular, two types of processes, gas metal arc welding (GMAW) and gas tungsten arc welding (GTAW), are extensively used in factory automation. The practice of industrial welding is heavily dependent on the knowledge and vast experience of the welder, and, as such, at present it is more an art than science. However, in order to make the welding process more automated and less human (welder) dependent, in the last two decades significant efforts have been made to introduce the ideas of feedback in order to control the welding process to achieve a good weld. Modeling a welding process is one of the most important ingredients for controlling the process. Various modeling techniques and automatic control strategies have been suggested to improve the welding process.

List of Figures
1. Introduction
2. Gas Metal Arc Welding: Modeling
3. Gas Metal Arc Welding: Sensing
4. GMAW: Automatic Control
5. Control of GMAW: A Case Study
6. Conclusions

Author Details
"Desineni Subbaram Naidu"

"Selahattin Dzcelik"

"Kevin l. Moore"

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