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Neural network methods for the modeling and control of welding processes

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Abstract

While welding processes are of great importance in manufacturing, their modeling and control is still subject of research. The highly nonlinear, strongly coupled, and multivariable nature of these processes renders the use of analytical tools practically impossible. In this article a novel approach is presented which employs networks of simple nonlinear units: a neural network. A widely used welding process, the Gas Tungsten Arc Welding is presented and the problem of its modeling and control is exhibited. A very brief introduction to neural networks is followed by presenting the experimental results for modeling the static and dynamic behavior of the process, as well as some practical recommendations regarding the use of the neural network techniques for controlling these processes.

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Karsai, G., Andersen, K., Cook, G.E. et al. Neural network methods for the modeling and control of welding processes. J Intell Manuf 3, 229–235 (1992). https://doi.org/10.1007/BF01473900

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