Nonlinear damping in micromachined bridge resonators

H Farokhi, RT Rocha, AZ Hajjaj, MI Younis - Nonlinear Dynamics, 2023 - Springer
This study presents a thorough theoretical and experimental investigation on the nonlinear
damping of in-plane micromachined electromechanical resonators. More specifically …

Detection methods for multi-modal inertial gas sensors

F Najar, M Ghommem, S Kocer, A Elhady… - Sensors, 2022 - mdpi.com
We investigate the rich potential of the multi-modal motions of electrostatically actuated
asymmetric arch microbeams to design higher sensitivity and signal-to-noise ratio (SNR) …

Thermoelastic damping and frequency shift of different micro-scale piezoelectro-magneto-thermoelastic beams

S Guha, AK Singh, S Singh - Physica Scripta, 2023 - iopscience.iop.org
This work focuses on mathematically studying thermoelastic damping (TED) and frequency
shift (FS) in micro-scale piezoelectro-magneto-thermoelastic (PEMT) composite beams …

In-plane air damping of micro-and nano-mechanical resonators

N Alcheikh, L Kosuru, SNR Kazmi… - … of Micromechanics and …, 2020 - iopscience.iop.org
This study investigates the effect of air damping on in-plane silicon micro/nano-resonators
sandwiched between two electrodes (two ports) for sensing and actuation. Experimental …

Experimental characterization of a mode-localized acceleration sensor integrating electrostatically coupled resonators

M Lyu, J Zhao, N Kacem, R Wu, R Sun - Journal of Applied Physics, 2024 - pubs.aip.org
ABSTRACT A novel mode-localized acceleration sensor employing an electrostatically
coupled resonator and integrating a lever with proof mass is micromachined using standard …

Estimating the effective quality factor of a rotary comb-drive microresonator based on a non-classical theory

M Ghanbari, G Rezazadeh - Microsystem Technologies, 2021 - Springer
Due to the considerable importance of viscous damping as a principal source of energy
dissipation in microstructures, this manuscript presents a mathematical model to predict the …

Piezoelectric-on-silicon MEMS Lorentz force lateral field magnetometers

S Ghosh, JEY Lee - IEEE Transactions on Ultrasonics …, 2019 - ieeexplore.ieee.org
This paper describes the realization of piezoelectric-on-silicon lateral field Lorentz force
magnetometers (LFMs) that target operation in ambient pressure instead of vacuum …

Effect of environmental conditions and geometric parameters on the squeeze film damping in RF-MEMS switches

ST Haider, MM Saleem, M Ahmed - Analog Integrated Circuits and Signal …, 2019 - Springer
This paper presents a detailed analysis of squeeze film air damping effects on dynamic
responses of RF-MEMS switches under varying environmental conditions, etch holes' …

An investigation into the mechanical behavior of multi-input and multi-output MEMS resonators

N Alcheikh, SA Tella, MI Younis - Sensors and Actuators A: Physical, 2018 - Elsevier
We investigate theoretically and experimentally the mechanical behavior of Micro
electromechanical systems MEMS resonators with multiple input (actuation) and output …

FEM modeling of squeeze film damping effect in RF-MEMS switches

ST Haider, MM Saleem… - 2017 4th International …, 2017 - ieeexplore.ieee.org
A very important aspect in the design of RF-MEMS switches, is to obtain low switching time.
The switching time not only depends on the device geometric parameters but also on the …