0.02°/h, 0.004°/√ h, 6.3-mA NEMS gyroscope with integrated circuit

A Buffoli, M Gadola, M Sansa… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This work introduces a system formed by an integrated circuit (IC) and a micromachined
piezoresistive gyroscope, with navigation grade performance. After discussing the …

Bias thermal stability improvement of mode-matching MEMS gyroscope using mode deflection

P Wang, Q Li, Y Zhang, Y Wu, X Wu… - Journal of …, 2022 - ieeexplore.ieee.org
This letter presents a novel strategy to eliminate the bias drift by using mode deflection. The
bias of a mode-match gyroscope is mainly caused by the asymmetrical damping and its …

Towards a better understanding of offset changes across temperature in mode-split open-loop MEMS gyroscopes

M Vujadinović, T Hiller, L Blocher… - … on Inertial Sensors …, 2023 - ieeexplore.ieee.org
This paper investigates changes of zero-rate offset of triaxial, consumer-grade MEMS
gyroscopes across temperature. Forty LGA mold-packaged prototype devices were …

Searching for the origin of zero-rate offset and scale-factor drift in NEMS-based Nav-grade gyroscope

A Buffoli, P Segala, M Gadola, T Verdot… - … on Inertial Sensors …, 2023 - ieeexplore.ieee.org
The paper researches on the origin of scale-factor (SF) and zero-rate-offset (ZRO) drift in
gyroscopes based on NEMS resistive sensing, towards effective calibration and …

Scale factor self-calibration of MEMS gyroscopes based on the high-order harmonic extraction in nonlinear detection

P Wang, Q Li, Y Zhang, X Xi, Y Wu, X Wu… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
This article presents a novel self-calibration method to improve the scale factor (SF) stability
by the synchronous control on the first-order and third-order harmonic components of …

A mode-matched DRG realized by monolithic integrated interface circuit design

Y Wang, X Liu, W Zhang, Y Zhang… - IEEE Sensors Journal, 2022 - ieeexplore.ieee.org
This article proposes a novel design method for the mode-matched disk resonator
gyroscope (DRG) realized by the monolithic integrated interface circuit. The mode …

Real-time phase compensation for scale factor nonlinearity improvement over temperature variations for MEMS gyroscope

Y Kuang, Z Hou, G Liu, D Xiao… - Journal of …, 2023 - ieeexplore.ieee.org
High-performance MEMS gyroscope puts forward the higher request to the scale factor
nonlinearity especially in variable-temperature environment. The scale factor nonlinearity …

North Finding IMU with Electromagnetic MEMS Gyroscope and Mode Reversal Technique

R Araki, R Uchino, T Moriguchi - 2024 IEEE International …, 2024 - ieeexplore.ieee.org
This paper reports a new north finding inertial unit (NFIMU) with electromagnetic MEMS
gyroscope and mode reversal technique. The bias instability is around 0.02 deg/h at 5000s …

0.018°/√ hr, SUB-0.2°/hr MEMS Pitch/Roll Piezoresistive Gyroscope with Decoupled Tilt of the Mass and of the Gauges Lever

M Gadola, A Buffoli, T Verdot, P Robert… - 2024 IEEE 37th …, 2024 - ieeexplore.ieee.org
This work presents a novel single-axis gyroscope for pitch (or roll) rate detection based on
an improved stress amplification architecture for the piezoresistive nano-gauges of the …