As part of this work, a Magnetic Levitation system (MagLev) was developed, allowing the study of nonlinear behavior of this device, which, in terms of position control, is similar (analogous) to that of plasma in ETE tokamak. The research carried out in this thesis, in particular, concerns proposition of a system to control vertical displacement of plasma in the ETE tokamak, seeking to make the shots on this machine more stable. Thus, development of plasma control systems in tokamaks is a necessary technological advance to make nuclear fusion feasible. One of the relevant issues for achievement of fusion reactors is related to the stability of plasma and control of its position during operation. Nuclear fusion is a renewable energy source with low environmental impact, which aims to use energy contained in atoms for peaceful purposes, for sustainable development of humanity. The experiment is dedicated to study of magnetic confinement of the fusion plasma, in a configuration conducive to the construction of future reactors. The ETE machine has been in operation since November 2000, at Laboratório Associado de Plasma (LAP) of Instituto Nacional de Pesquisas Espaciais (INPE) in city of São José dos Campos, SP, Brazil. This doctoral thesis in engineering deals with development of an intelligent control system of neural type, capable of acting in real time in control of plasma displacement in Experimento Tokamak Esférico (ETE).
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