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  • Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați
  • Annals of the University "Dunarea de Jos" of Galati. Fascicle III: Electrotechnics, Electronics, Automation Control and Informatics
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  • Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați
  • Annals of the University "Dunarea de Jos" of Galati. Fascicle III: Electrotechnics, Electronics, Automation Control and Informatics
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Multivariable Intelligent Control for M.A.G. Welding Process

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ugal_f3_2008_nr3_Miholca.pdf (212.2Kb)
Data
2008
Autore
Miholcă, Constantin
Nicolau, Viorel
Munteanu, Cristian
Mihăilescu, Dănuţ
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Abstract
A neural control technique, applied to the MAG (Metal-Active Gas) welding process, is presented in the paper. The static nonlinear model of welding process is based on experimental determinations. The geometric parameters of the welding beam are considered as output parameters of the MAG process (Bs, a, p), and they are measured for different step-variations of the input parameters (Ve, Vs, Ua). The analysis of the output dynamics was further used to model the MAG welding process using a 3- layer neural network with 6 hidden-layer neurons. In order to reject perturbations and cancel the stationary error, an error compensator was used, which consists of the reverse dynamic model connected to a proportional integrator controller. Simulation results for the multivariable neural controller are presented.
URI
http://10.11.10.50/xmlui/handle/123456789/3903
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  • Annals of the University "Dunarea de Jos" of Galati. Fascicle III: Electrotechnics, Electronics, Automation Control and Informatics [230]

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