Exploiting nonlinearity to enhance the sensitivity of mode-localized mass sensor based on electrostatically coupled MEMS resonators

M Lyu, J Zhao, N Kacem, P Liu, B Tang, Z Xiong… - International Journal of …, 2020 - Elsevier
An ultrasensitive mass sensor is proposed by combining the benefits of mode localization
and nonlinear dynamics in two clamped–clamped microbeams of different lengths. The …

Nonlinearity modulation in a mode-localized mass sensor based on electrostatically coupled resonators under primary and superharmonic resonances

M Lyu, J Zhao, N Kacem, J Song, K Fan, P Liu… - Physica …, 2023 - iopscience.iop.org
A general model of a mode-localized mass sensor incorporating two weakly coupled
clamped-clamped microbeams under electrostatic excitation is presented, and a reduced …

Mass sensing based on nonlinear intermodal coupling via 2: 1 internal resonance of electrostatically actuated clamped–clamped microbeams

P Kumar, DN Pawaskar, MM Inamdar - International Journal of Dynamics …, 2024 - Springer
Over recent decades, the application of internal resonance-based nonlinear intermodal
coupling in electromechanical resonators has shown promise for enhancing functionality …

Design and modeling of a MEMS accelerometer based on coupled mode-localized nonlinear resonators under electrostatic actuation

M Lyu, J Zhao, N Kacem, B Tang, P Liu, J Song… - … in Nonlinear Science …, 2021 - Elsevier
A novel dual proof mass accelerometer is proposed by introducing mode localization in two
electrostatically coupled resonators. The levering mechanism is utilized to amplify the …

Computational investigation of high-order mode localization in electrostatically coupled microbeams with distributed electrodes for high sensitivity mass sensing

M Lyu, J Zhao, N Kacem, B Tang, P Liu, J Song… - … Systems and Signal …, 2021 - Elsevier
The high-order mode localization in electrostatically coupled microbeams with distributed
electrodes has been theoretically investigated and then introduced in high sensitivity mass …

Exploiting bifurcation behaviors in parametrically excited mode-localized resonators for mass sensing

J Song, M Lyu, N Kacem, P Liu… - Journal of …, 2022 - asmedigitalcollection.asme.org
The demand for detecting minute mass in biology and chemistry promotes the research of
high sensitivity and strong robustness mass sensor based on MEMS resonators in the past …

An asymmetric mode-localized mass sensor based on the electrostatic coupling of different structural modes with distributed electrodes

J Zhao, J Song, M Lyu, N Kacem, P Liu, Y Huang… - Nonlinear …, 2022 - Springer
Mode-localized sensor with amplitude ratio as output metric has shown excellent potential in
the field of micromass detection. In this paper, an asymmetric mode-localized mass sensor …

Nonlinear analysis and effectiveness of weakly coupled microbeams for mass sensing applications

M Alkaddour, M Ghommem, F Najar - Nonlinear Dynamics, 2021 - Springer
In this work, we develop a general model of a mass sensor made of N weakly mechanically
coupled microbeams subject to electric actuation. The developed model is verified by …

State-of-the-art in mode-localized MEMS coupled resonant sensors: A comprehensive review

V Pachkawade - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
This article reviews the investigation of the mode-localized microelectromechanical system
(MEMS) coupled resonant sensors. This class of a sensor features a new approach in the …

Nonlinearity enhanced mode localization in two coupled MEMS resonators

Z Liu, Y Chen, X Wang, Y Xu, H Dai, Z Shi… - International Journal of …, 2024 - Elsevier
As an intriguing phenomenon in coupled dynamic systems, mode localization has garnered
considerable attention in areas such as vibration control, sensing, etc. This paper …