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Previous issue date: 2014-10-06 === Financiadora de Estudos e Projetos- Finep === This paper presents a comparative analysis of some methodologies for deterministic
and heuristic optimization, applied to a classic problem in control theory. The aim is
to determine the parameters tuning Proportional and Integral (PI) controller. The
PI controller is used to control the speed of the DC motor. The mathematical model
of the DC motor and the independent excitation of the AC-DC converter that is
used in driving it is developed. From the mathematical model, the computational
model is developed to perform the analysis of a commercial DC motor. In order to
validate the computational model, a training bench is built, tests are performed and
the results of the comparison between the methods of optimization are presented. === Este trabalho apresenta a an alise comparativa de algumas metodologias de otimiza-
c~ao determin stica e heur stica, aplicadas a um problema cl assico da teoria de controle.
O intuito e determinar os par^ametros de sintonia do controlador Proporcional
e Integral (PI). O controlador PI e utilizado para controlar a velocidade do motor
de corrente cont nua. E desenvolvido o modelo matem atico do motor de corrente
cont nua de excita c~ao independente e do conversor CA-CC que e utilizado em seu
acionamento. A partir do modelo matem atico, e desenvolvido o modelo computacional,
para realizar a an alise de um motor CC comercial. A m de validar o modelo
computacional, uma bancada did atica e constru da, ensaios s~ao realizados e os resultados
da compara c~ao entre os m etodos de otimiza c~ao s~ao apresentados.
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