Electromechanical Sigma–Delta Modulators ( ) Force Feedback Interfaces for Capacitive MEMS Inertial Sensors: A Review

F Chen, X Li, M Kraft - IEEE Sensors Journal, 2016 - ieeexplore.ieee.org
Analog-to-digital converters based on sigma-delta modulators (ΣAM) are a popular choice
for high resolution conversion from the analog to the digital domain. With relatively small …

A high performance MEMS based digital-output gyroscope

A Ismail, B George, A Elmallah… - 2013 Transducers & …, 2013 - ieeexplore.ieee.org
In this work, the architecture, and measurements results of an ultra-low noise closed-loop
force feedback gyroscope, with superior bias instability, are presented. The MEMS is …

H Design of an EM-ΣΔ Feedback for MEMS Gyroscopes

F Saggin, A Korniienko, G Papin… - 2020 DGON Inertial …, 2020 - ieeexplore.ieee.org
In this work, we propose a systematic and flexible method for designing the electronic filter of
electro-mechanical ΣΔ (EM-ΣΔ) feedbacks, widely used for the closed-loop operation of high …

High performance MEMS accelerometer and gyro with a unique SMD and digital interface

A Filipe, V Gaff, W Unrau… - 2021 DGON Inertial …, 2021 - ieeexplore.ieee.org
High performance inertial sensors based on Micro-Electro-Mechanical Systems (MEMS)
have been progressively replacing quartz accelerometers, mechanical gyroscopes (gyros) …

A high-performance self-clocked digital-output quartz gyroscope

A Ismail, K Ashraf, A Metawea, I Mostfa… - 2015 IEEE …, 2015 - ieeexplore.ieee.org
High-performance electro-static gyroscopes require expensive vacuum-packaging, to
maintain the high-Q of the MEMS, and may require high actuation voltages. Piezo sensors …

A new versatile hardware platform for closed-loop gyro evaluation

A Omar, A Elshennawy, A Ismail… - 2015 DGON Inertial …, 2015 - ieeexplore.ieee.org
In this work, a fast and cost-efficient method, to evaluate MEMS gyroscope, in a closed-loop
sense-mode operation (force-feedback), is introduced. The solution proposed in this paper …

Robust control for MEMS gyroscopes

F Saggin - 2021 - theses.fr
Résumé Les gyromètres MEMS sont composés de deux modes de vibration: drive et sense.
Le fonctionnement est basé sur le transfert d'énergie entre ces modes dû à la force de …

A novel tri-axis MEMS gyroscope with in-plane tetra-pendulum proof masses and enhanced sensitive springs

MC Wang, JW Jiao, PL Yan, BW Mi… - … of Micromechanics and …, 2014 - iopscience.iop.org
This paper presents a tri-axis MEMS gyroscope design with novel tetra-pendulum proof
masses for X-, Y-axis and regular proof masses for Z-axis rate sensing, which are all …

Impact of die-attach materials on MEMS Gyro performance

A Filipe, M Vincent, V Volant… - … Symposium on Inertial …, 2014 - ieeexplore.ieee.org
We have performed an experimental assessment of the impact of assembly materials on
MEMS gyro thermal behavior. Very significant differences are obtained depending on the …

MEMS 陀螺驱动数字闭环ASIC 设计

任臣, 杨亮, 杨拥军 - 半导体技术, 2015 - cqvip.com
针对MEMS 陀螺, 基于四阶机电结合ΣΔ 调制器技术设计了一款驱动数字闭环电路.
其中电容/电压转换电路(C/V 转换电路) 采用了开关电容电路. 为了降低C/V 转换电路的噪声 …