Reference : Reduced-order modeling of electrostatically-actuated micro-beams
Scientific congresses and symposiums : Paper published in a book
Engineering, computing & technology : Electrical & electronics engineering
Engineering, computing & technology : Computer science
Engineering, computing & technology : Mechanical engineering
http://hdl.handle.net/2268/27093
Reduced-order modeling of electrostatically-actuated micro-beams
English
Durieu, Francois mailto [Université de Liège - ULG > Département d'aérospatiale et mécanique > > >]
Bruls, Olivier mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > Laboratoire des Systèmes Multicorps et Mécatroniques >]
Rochus, Véronique mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > LTAS - Vibrations et identification des structures >]
Golinval, Jean-Claude mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > LTAS - Vibrations et identification des structures >]
Serandour, Guillaume [Université de Liège - ULg > Département d'aérospatiale et mécanique > LTAS - Vibrations et identification des structures > >]
2008
Proceedings of the 6th EUROMECH Nonlinear Dynamics Conference (ENOC)
1-6
No
International
6th EUROMECH Nonlinear Dynamics Conference (ENOC)
June, 30–July, 4 2008
Saint Petersburg
Russia
[en] Model reduction, electromechanical coupling, nonlinear dynamics, MEMS
[en] This paper addresses the compact modeling of MEMS devices with nonlinear electromechanical forces. Ideally, the reduced-order model should only involve one or two generalized coordinates. We show that a projection method based on the first eigenmode of the linearized unactuated structure is a good choice in terms of simplicity and accuracy. To take into account the influence of distributed electrostatic forces, it is necessary to approximate the nonlinear force in terms of the reduced coordinate. It is shown that a Pad´e approximation of order 2 is very attractive in terms of accuracy and numerical efficiency.
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/27093

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