Tracking of bifurcations and hysteresis in electrostatically actuated resonators by motion-induced current

B Alattar, M Ghommem, A Elhady, F Najar… - … Systems and Signal …, 2023 - Elsevier
In this work, we present an experimental technique to detect the onset of bifurcation and
measure the extent of hysteresis in electrostatic MEMS. The device-under-test comprises a …

Motion measurement methods for nonlinear analysis of electrostatic mems resonators

M Ghommem, B Alattar, M Lherbette… - IEEE EUROCON …, 2023 - ieeexplore.ieee.org
In this paper, we compare two measurement techniques to analyze the dynamic response of
a MEMS resonator, made of a microcantilever beam, that is electrostatically actuated via a …

Built-In Packaging for Single Terminal Devices

A Gulsaran, B Bastug Azer, S Kocer, S Rahmanian… - Sensors, 2022 - mdpi.com
An alternative packaging method, termed built-in packaging, is proposed for single terminal
devices, and demonstrated with an actuator application. Built-in packaging removes the …

One-to-two internal resonance in a micro-mechanical resonator with strong Duffing nonlinearity

J Yu, A Donmez, H Herath, H Cho - Journal of Micromechanics …, 2023 - iopscience.iop.org
This paper investigates the implementation of 1: 2 internal resonance (InRes) in a clamped–
clamped stepped beam resonator with a strong Duffing effect, focusing on its potential for …

Detection of In-Plane Movement in Electrically Actuated Microelectromechanical Systems Using a Scanning Electron Microscope

T Nieminen, N Tiwary, G Ross, M Paulasto-Kröckel - Micromachines, 2023 - mdpi.com
The measurement of in-plane motion in microelectromechanical systems (MEMS) is a
challenge for existing measurement techniques due to the small size of the moving devices …

Characterization of shear horizontal waves using a 1D laser Doppler vibrometer

A Elhady, EM Abdel-Rahman - Sensors, 2021 - mdpi.com
We developed a new technique for the detection of shear horizontal surface acoustic waves
(SH-SAW) using a one-dimensional laser-based Doppler vibrometer. It measures the out-of …

How to Excite Anti-symmetric Modes in a Symmetric MEMS? Check for updates

S Rahmanian, A Alneamy, YS Shama… - … : Proceedings of the …, 2024 - books.google.com
The nonlinear dynamics of Micro-Electro-Mechanical Systems (MEMS) feature interesting
phenomena that can be employed to improve the performance of MEMS actuators and …

Tunable permittivity sensors

A Ahmed - 2021 - uwspace.uwaterloo.ca
This thesis presents a novel electric permittivity sensor based on Bleustein-Gulyaev (BG)
waves; waves that propagate along the surface of shear-poled piezoelectric materials. BG …

How to Excite Anti-symmetric Modes in a Symmetric MEMS?

S Rahmanian, A Alneamy, YS Shama, S Kocer… - … on Nonlinear Dynamics …, 2023 - Springer
This study reports on an experimental investigation of modal interactions in a
microresonator. The resonator is made of a clamped-clamped curved beam, electrostatically …