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Fuzzy based control and modelling of a MR damper for vibration reductiom of SDOF structural systems

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Resumo:Passive, active, semi-active and hybrid control of wind and seismic induced vibrations in civil structures has been widely studied and reported in the last decades. Due to the noticeable advantages over other control approaches, semi-active control constitutes a promising technology to civil engineering applications, in particular intelligent damping systems such as those based on MR dampers. Besides, fuzzy based control systems are particularly suitable for non-linear structures or uncertain systems such as civil structures. In this context, this paper presents a semi-active control approach for a SDOF structure equipped with a MR damper under earthquake excitation. A fuzzy model of the MR damper and a fuzzy control algorithm are proposed and numerically studied. The results show the effectiveness of the suggested semi-active control system in reducing the response of the SDOF structure.
Autores principais:Braz-César, Manuel
Outros Autores:Barros, Rui
Assunto:Fuzzy control Structural control Semi-active control Dynamics MR dampers
Ano:2016
País:Portugal
Tipo de documento:documento de conferência
Tipo de acesso:acesso aberto
Instituição associada:Instituto Politécnico de Bragança
Idioma:inglês
Origem:Biblioteca Digital do IPB

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