Silicon MEMS inertial sensors evolution over a quarter century

G Langfelder, M Bestetti, M Gadola - Journal of Micromechanics …, 2021 - iopscience.iop.org
Silicon-based microelectromechanical systems (MEMS) inertial sensors have become
ubiquitous, revolutionizing motion sensing, vibration sensing and accurate positioning in …

Electrostatic compensation of structural imperfections in dynamically amplified dual-mass gyroscope

A Efimovskaya, D Wang, YW Lin, AM Shkel - Sensors and Actuators A …, 2018 - Elsevier
This paper presents a study on dynamics of a dual-mass MEMS vibratory gyroscope in
presence of fabrication imperfections and reports a method for precision electrostatic …

Effect of EAM on capacitive detection of motion in MEMS vibratory gyroscopes

D Wang, AM Shkel - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
The Electromechanical Amplitude Modulation (EAM) is frequently used to eliminate feed-
through signals between forcer and pick-off electrodes of resonant microstructures …

Decaying time constant enhanced MEMS disk resonator for high precision gyroscopic application

X Zhou, D Xiao, Q Li, Z Hou, K He… - IEEE/ASME …, 2018 - ieeexplore.ieee.org
This paper reports a new design strategy of adding lumped masses to the frame structure of
a disk resonator gyroscope (DRG) to mitigate its figure of merit (FOM). A greatly enhanced …

Mechanical trimming with focused ion beam for permanent tuning of MEMS dual-mass gyroscope

A Efimovskaya, D Wang, AM Shkel - Sensors and Actuators A: Physical, 2020 - Elsevier
This paper reports mechanical ablation techniques for permanent frequency tuning of the
primary wineglass modes in planar gyroscopes with concentric ring suspension. Three …

A high-dynamic-range switched-capacitor sigma-delta ADC for digital micromechanical vibration gyroscopes

R Lv, W Chen, X Liu - Micromachines, 2018 - mdpi.com
This paper presents a multi-stage noise shaping (MASH) switched-capacitor (SC) sigma-
delta (ΣΔ) analog-to-digital converter (ADC) composed of an analog modulator with an on …

Amplitude amplified dual-mass gyroscope: Design architecture and noise mitigation strategies

D Wang, A Efimovskaya… - 2019 IEEE International …, 2019 - ieeexplore.ieee.org
This paper presents our latest test results of an amplitude amplified dual-mass MEMS
gyroscope. We discuss the effects of quadrature errors, parasitic capacitance, and frontend …

Effect of fabrication imperfections on energy loss through mechanical mode coupling in MEMS

D Vatanparvar, AM Shkel - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
We identified the mechanical mode coupling as a major energy loss mechanism limiting the
quality factor of MEMS resonators, such as gyroscopes. An analytical model was derived to …

Increasing signal to noise ratio and minimizing artefacts in biomedical instrumentation systems

S Zourob, K Hayatleh, S Barker, R Nagulapalli… - … Integrated Circuits and …, 2018 - Springer
Capturing a near-perfect, artefact free signal is an ideal of biomedicine. However, this
depends on the removal of different types of artefact, all of which can be considered …

Multi-degree-of-freedom MEMS coriolis vibratory gyroscopes designed for dynamic range, robustness, and sensitivity

A Efimovskaya, AM Shkel - 2018 DGON Inertial Sensors and …, 2018 - ieeexplore.ieee.org
Multi-Degree-of-Freedom MEMS Coriolis Vibratory Gyroscopes Designed for Dynamic
Range, Robustness, and Sensitivity Page 1 Inertial Sensors and Systems 2018 …