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|Type:||Artigo de evento|
|Title:||On Nonlinear Dynamics And Control Of A Particular Portal Frame Foundation Model, Excited By A Non-ideal Motor|
Da Fonseca Brasil R.M.L.R.
|Abstract:||The nonlinear dynamic response and a nonlinear control method of a particular portal frame foundation for an unbalanced rotating machine with limited power (non-ideal motor) are examined. Numerical simulations are performed for a set of control parameters (depending on the voltage of the motor) related to the static and dynamic characteristics of the motor. The interaction of the structure with the excitation source may lead to the occurrence of interesting phenomena during the forward passage through the several resonance states of the systems. A mathematical model having two degrees of freedom simplifies the non-ideal system. The study of controlling steady-state vibrations of the non-ideal system is based on the saturation phenomenon due to internal resonance.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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