Tuning the primary resonance of vibrating beam micro-gyroscopes based on piezoelectric actuation and nonlinearity in curvature and inertia

W Li, H Chen - Microsystem Technologies, 2023 - Springer
In this paper, the nonlinear vibration characteristics of vibrating beam micro-gyroscopes
subject to electric and piezoelectric actuation are studied. The comprehensive nonlinear …

Nonlinear resonant response of imperfect extensible Timoshenko microbeams

H Farokhi, MH Ghayesh - International Journal of Mechanics and Materials …, 2017 - Springer
This paper investigates the nonlinear size-dependent dynamics of an imperfect Timoshenko
microbeam, taking into account extensibility. Based on the modified couple stress theory, the …

Dynamic stability in parametric resonance of vibrating beam micro-gyroscopes

HY Chen, W Li, H Yang - Applied Mathematical Modelling, 2022 - Elsevier
The present work studies the dynamic stability of a parametric amplification model of a
vibrating beam micro-gyroscope with consideration of the size-dependent effect and the …

Tuning the primary resonances of a micro resonator, using piezoelectric actuation

S Azizi, MR Ghazavi, G Rezazadeh, I Ahmadian… - Nonlinear …, 2014 - Springer
Microbeam dynamics is important in MEMS filters and resonators. In this research, the effect
of piezoelectric actuation on the resonance frequencies of a piezoelectrically actuated …

Modeling the nonlinear pull-in behavior of tunable nano-switches

M SoltanRezaee, M Afrashi - International Journal of Engineering Science, 2016 - Elsevier
Double-sided nano-devices can potentially be used as tuning switches and variable
capacitors. In this paper, the pull-in behavior of double-sided cantilever nano-wires …

Parametric amplification performance analysis of a vibrating beam micro-gyroscope with size-dependent and fringing field effects

W Li, XD Yang, W Zhang, Y Ren - Applied Mathematical Modelling, 2021 - Elsevier
In this study, a parametric amplification model of a vibrating beam micro-gyroscope is
established with the effects of size-dependent and fringing field taken into account …

The influence of dispersion forces on the size-dependent pull-in instability of general cantilever nano-beams containing geometrical non-linearity

M SoltanRezaee, A Farrokhabadi… - International Journal of …, 2016 - Elsevier
While, the effects of ground electrode architecture on the vibration response and instability of
nano-switches have considered in a few studies, no attention has been paid to study the …

Investigation of pull-in behaviors of a nanoswitch tuned by piezoelectric and flexoelectric effects

Y Chen, Z Yan - International Journal of Mechanical Sciences, 2019 - Elsevier
In this work, the static and dynamic pull-in behaviors of an electrostatically and
piezoelectrically actuated nanoswitch are investigated. The nanoswitch is based on a …

On the secondary resonance of a MEMS resonator: A conceptual study based on shooting and perturbation methods

S Azizi, MT Chorsi, F Bakhtiari-Nejad - International Journal of Non-Linear …, 2016 - Elsevier
Nonlinear dynamics of a clamped–clamped capacitive micro-beam resonator subjected to
subharmonic excitation of order one-half is studied. The micro-beam resonator is …

Bifurcation analysis of torsional micromirror actuated by electrostatic forces

M Taghizadeh, H Mobki - Archives of Mechanics, 2014 - am.ippt.gov.pl
In this paper, static and dynamic behavior of an electrostatically actuated torsional micro-
actuator is studied. The microactuator is composed of a micromirror and two torsional …