Review of modeling electrostatically actuated microelectromechanical systems

RC Batra, M Porfiri, D Spinello - Smart Materials and Structures, 2007 - iopscience.iop.org
A wide range of microelectromechanical systems (MEMSs) and devices are actuated using
electrostatic forces. Multiphysics modeling is required, since coupling among different fields …

The pull-in behavior of electrostatically actuated bistable microstructures

S Krylov, BR Ilic, D Schreiber… - Journal of …, 2008 - iopscience.iop.org
The results of theoretical and experimental investigation of an initially curved clamped–
clamped microbeam actuated by a distributed electrostatic force are presented. Reduced …

Vibrations of narrow microbeams predeformed by an electric field

RC Batra, M Porfiri, D Spinello - Journal of Sound and Vibration, 2008 - Elsevier
Vibrations of a fixed–fixed narrow microbeam electrostatically actuated by applying a
voltage difference to it and a parallel rigid conductor are analyzed. For gaps between the …

Size-dependent dynamic pull-in instability of vibrating electrically actuated microbeams based on the strain gradient elasticity theory

HM Sedighi - Acta Astronautica, 2014 - Elsevier
This paper presents the impact of vibrational amplitude on the dynamic pull-in instability and
fundamental frequency of actuated microbeams by introducing the second order frequency …

Design, modeling, and characterization of a miniature robotic fish for research and education in biomimetics and bioinspiration

V Kopman, M Porfiri - IEEE/ASME Transactions on …, 2012 - ieeexplore.ieee.org
In this paper, we present the design of a biomimetic robotic fish with a modular caudal fin
and analyze its performance. The robot's propulsion system is experimentally characterized …

A large deflection model for the pull-in analysis of electrostatically actuated microcantilever beams

S Chaterjee, G Pohit - Journal of sound and vibration, 2009 - Elsevier
A comprehensive model of an electrostatically actuated microcantilever beam separated
from the ground plane by relatively larger gap is formulated accounting for the nonlinearities …

Dynamic modeling of a robotic fish propelled by a compliant tail

V Kopman, J Laut, F Acquaviva… - IEEE Journal of …, 2014 - ieeexplore.ieee.org
In this paper, a dynamic model for a robotic fish propelled by a tail with a flexible fin is
presented. The robotic fish is composed of two links connected by an actuated joint; the …

Nonlinear finite amplitude vibrations of sharp-edged beams in viscous fluids

M Aureli, ME Basaran, M Porfiri - Journal of sound and vibration, 2012 - Elsevier
In this paper, we study flexural vibrations of a cantilever beam with thin rectangular cross
section submerged in a quiescent viscous fluid and undergoing oscillations whose …

[HTML][HTML] Reduced-order models for microelectromechanical rectangular and circular plates incorporating the Casimir force

RC Batra, M Porfiri, D Spinello - International Journal of Solids and …, 2008 - Elsevier
We consider the von Kármán nonlinearity and the Casimir force to develop reduced-order
models for prestressed clamped rectangular and circular electrostatically actuated …

Pull-in and snap-through instabilities in transient deformations of microelectromechanical systems

K Das, RC Batra - Journal of Micromechanics and …, 2009 - iopscience.iop.org
We analyze transient finite electroelastodynamic deformations of a perfect electrically
conducting undamped clamped–clamped beam, a clamped–clamped parabolic arch and a …