A mode order optimized disk resonator gyroscope considering thermoelastic dam**

Z Qin, X Ding, X Ge, Z Ruan, H Li - International Journal of Mechanical …, 2022 - Elsevier
Mode properties and thermoelastic dam** (TED) are crucial for the disk resonator
gyroscope (DRG). Most of the DRG structure designs do not involve the mode order …

Theoretical thermoelastic dam** for micro ring gyroscopes by wave propagation

X Ge, Z Qin, X Chen, X Ding, H Li - International Journal of Mechanical …, 2024 - Elsevier
The microelectromechanical system (MEMS) vibrating ring gyroscope (VRG) holds
significant promise for angle sensing applications, with its performance highly reliant on the …

Anchor loss improvement in hemispherical resonators with ion beams

Y Ning, C Wang, W Cheng, Z Tian - International Journal of Mechanical …, 2024 - Elsevier
This paper presents a high-precision method for identifying the unbalanced mass of a fused
silica hemispherical resonator and an ion-beam trimming process for removing defective …

[HTML][HTML] Surface evolution of fused silica hemispherical resonators and its influence on the quality factor

C Wang, Y Ning, W Zhao, G Yi, Y Huo - Sensors and Actuators A: Physical, 2023 - Elsevier
Investigating the surface loss mechanism of hemispherical resonators is essential to further
improve the performance of hemispherical resonant gyroscopes. Although many studies …

A closed-loop system for resonant MEMS sensors subject to blue-sideband excitation

L Xu, J **, L Gao, F Li, J Pi, C Li, K Wang… - Journal of …, 2022 - ieeexplore.ieee.org
This study reports a closed-loop system (CLS) for resonant micro-electromechanical
systems (MEMS) sensors subject to blue-sideband excitation (BSE) for the first time …

Effect of metallization on quality factor and noise characteristics in fused silica dual-shell gyroscopes

D Wang, MH Asadian, W Guan, D Hii… - Journal of …, 2022 - ieeexplore.ieee.org
Metal coating of Fused Silica (FS) Micro-machined Hemispherical Resonator Gyroscopes
(micro-HRGs) is necessary to allow for capacitive actuation and detection of motion …

Method for optimising the performance of PML in anchor‐loss limited model via COMSOL

P Li, JY Ou, J Yan - IET Science, Measurement & Technology, 2022 - Wiley Online Library
Perfectly matched layer has been used for solving anchor‐loss limited quality factor in the
Micro electromechanical systems. However, setting up a well‐behaved perfectly matched …

Bias accuracy maintenance under unknown disturbances by multiple homogeneous MEMS gyroscopes fusion

Q Shen, D Yang, J Li, H Chang - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Bias accuracy of micromachined gyroscope is deteriorated severely when suffering from
unknown environmental disturbances (UD), such as temperature, vibration, and shock. In …

Performance of quad mass gyroscope in the angular rate mode

S Askari, MH Asadian, AM Shkel - Micromachines, 2021 - mdpi.com
In this paper, the characterization and analysis of a silicon micromachined Quad Mass
Gyroscope (QMG) in the rate mode of operation are presented. We report on trade-offs …

Radially pleated disk resonator for gyroscopic application

X Ren, X Zhou, Y Tao, Q Li, X Wu… - Journal of …, 2021 - ieeexplore.ieee.org
In this paper, we propose a radially pleated disk resonator for gyroscopic application. The
structure is made up of concentrically nested radially pleated rings that are interconnected …