0.015 degree-per-hour honeycomb disk resonator gyroscope

Y Xu, Q Li, P Wang, Y Zhang, X Zhou, L Yu… - IEEE Sensors …, 2020 - ieeexplore.ieee.org
High performance Microelectromechanical system (MEMS) gyroscopes are in great demand
in the fields of precise navigation, automatic driving and precise attitude measurement …

A review of the most important failure, reliability and nonlinearity aspects in the development of microelectromechanical systems (MEMS)

P Rafiee, G Khatibi, M Zehetbauer - Microelectronics International, 2017 - emerald.com
Purpose The purpose of this paper is to provide an overview of the major reliability issues of
microelectromechanical systems (MEMS) under mechanical and environmental loading …

Nonlinearity reduction in disk resonator gyroscopes based on the vibration amplification effect

Q Li, D Xiao, Y Xu, M Zhuo, X Zhou… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
This article reports a novel method to reduce the electrostatic and capacitive nonlinearities
in a disk resonator gyroscope (DRG) and to further improve its ultimate oscillation amplitude …

A MEMS frequency modulation electrometer based on pre-bias charge mechanism to enhance performance

H Chen, D Chen, Z Shi, R Huan… - … of Micromechanics and …, 2022 - iopscience.iop.org
This paper proposes a prototype of micro-electromechanical frequency modulation
electrometers based on pre-bias charge mechanism with a single-anchor circular beam …

High-precision identification and compensation of nonlinear error in hemispherical resonator gyro

R Wang, G Yi, W Xie, C Wang - Measurement, 2024 - Elsevier
This paper presents a novel nonlinear error identification and compensation method for the
Hemispherical Resonator Gyro (HRG) from the signal processing perspective. Firstly, the …

[HTML][HTML] Modal coupling effect in a novel nonlinear micromechanical resonator

K Lu, Q Li, X Zhou, G Song, K Wu, M Zhuo, X Wu… - Micromachines, 2020 - mdpi.com
Capacitive micromechanical resonators share electrodes with the same bias voltage,
resulting in the occurrence of electrostatic coupling between intrinsic modes. Unlike the …

Synchronization of uncertain MEMS resonators via adaptive time-varying terminal sliding mode control

HY Chen, KC Wang, HC Shen, CH Yang - Microsystem Technologies, 2021 - Springer
The main goal of this study addresses the synchronization between two MEMS resonators
with cubic and quintic mechanical stiffness under the existence of system uncertainties and …

Shear dependent nonlinear vibration in a high quality factor single crystal silicon micromechanical resonator

H Zhu, GC Shan, CH Shek, JEY Lee - Applied Physics Letters, 2012 - pubs.aip.org
The frequency response of a single crystal silicon resonator under nonlinear vibration is
investigated and related to the shear property of the material. The shear stress-strain relation …

Reversed nonlinear oscillations in lamé-mode single-crystal-silicon microresonators

H Zhu, JEY Lee - IEEE electron device letters, 2012 - ieeexplore.ieee.org
The spring hardening effect is reported here for the first time in a single-crystal-silicon bulk
mode resonator. Reversing nonlinear behaviors (changing from spring softening to …

Dynamics of hydrogenated amorphous silicon flexural resonators for enhanced performance

J Mouro, V Chu, JP Conde - Journal of Applied Physics, 2016 - pubs.aip.org
Hydrogenated amorphous silicon thin-film flexural resonators with sub-micron actuation
gaps are fabricated by surface micromachining on glass substrates. Experimentally, the …