Nonlinear control in an electromechanical transducer with chaotic behaviour
Nenhuma Miniatura disponível
Data
2014-08-01
Autores
Balthazar, Jose Manoel [UNESP]
Bassinello, Dailhane Grabowski
Tusset, Angelo Marcelo
Bueno, Atila Madureira [UNESP]
Pontes Junior, Bento Rodrigues de [UNESP]
Título da Revista
ISSN da Revista
Título de Volume
Editor
Springer
Resumo
The electromechanical transducer considered in this work is composed of a mechanical oscillator linked to an electronic circuit. Simulations results have determined that for some combination of parameters the electromechanical system is subject to chaotic motion with resonant transient behavior, and after the resonant transient the mechanical system (MS) synchronizes with the electrical system (ES). In order to improve the transient response, avoiding both the chaotic and resonant behaviors, a nonlinear control system is designed, a feedback control strategy is used to drive the system into the desired periodic orbit, and a nonlinear feedforward strategy is used to keep the system into the periodic orbit, obtained by the Fourier series. Two control techniques are used and compared, namely: the state dependent Ricatti equation and the optimal linear feedback control. Numerical simulations results are shown in order to compare the results, considering parametric uncertainties. Additionally, the energy transfer "pumping" between the ES and the MS is also analysed.
Descrição
Palavras-chave
Electromechanical transducer, Chaos, SDRE control, OLFC, control, Energy transfer
Como citar
Meccanica. Dordrecht: Springer, v. 49, n. 8, p. 1859-1867, 2014.