Parametric resonance in electrostatically actuated micromirrors

A Frangi, A Guerrieri, R Carminati… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
We consider an electrostatically actuated torsional micromirror, a key element of recent
optical microdevices. The mechanical response is analyzed with specific emphasis on its …

Mode coupling and parametric resonance in electrostatically actuated micromirrors

A Frangi, A Guerrieri, N Boni… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
The main torsional mode of electrostatically actuated micromirrors is known to be dominated
by parametric resonance when the actuation is performed via in-plane comb fingers. Here …

Accurate simulation of parametrically excited micromirrors via direct computation of the electrostatic stiffness

A Frangi, A Guerrieri, N Boni - Sensors, 2017 - mdpi.com
Electrostatically actuated torsional micromirrors are key elements in Micro-Opto-Electro-
Mechanical-Systems. When forced by means of in-plane comb-fingers, the dynamics of the …

Theoretical modeling and experimental investigation of in-phase resonant MEMS mirrors with cascaded structures

W Chen, H Luo, H Tavakkoli, M Duan… - Journal of …, 2024 - iopscience.iop.org
This paper proposes an efficient nonlinear one-dimensional (1D) compact mass-damper-
spring model to predict the dynamic response of electrostatic resonant micro-electro …

Estimation of air dam** in out-of-plane comb-drive actuators

R Mirzazadeh, S Mariani - Micromachines, 2019 - mdpi.com
The development of new compliant resonant microsystems and the trend towards further
miniaturization have recently raised the issue of the accuracy and reliability of computational …

Directional hearing at the micro-scale: bio-inspired sound localization

A Reid - 2017 - stax.strath.ac.uk
Miniaturization of sound localization sensors arrays is heavily constrained by the limited
directional cues in intensity difference and phase difference available at the microscale …

Non-linear dynamics in torsional micromirrors

AA Frangi, A Guerrieri, N Boni - 13e colloque national en calcul des …, 2017 - hal.science
The main torsional mode of electrostatically in-plane actuated micromirrors is known to be
driven by parametric resonance. Here we show that also a spurious yaw mode is activated …

Nonlinear dynamics phenomena in MEMS

A Guerrieri - 2019 - politesi.polimi.it
Abstract Microelectro Mechanical Systems (MEMS) technology has revolutionized many
industrial and consumer products by combining silicon-based microelectronics with …