Micromachined accelerometers with sub-µg/√ Hz noise floor: a review

C Wang, F Chen, Y Wang, S Sadeghpour, C Wang… - Sensors, 2020 - mdpi.com
This paper reviews the research and development of micromachined accelerometers with a
noise floor lower than 1 µg/√ Hz. Firstly, the basic working principle of micromachined …

State-of-the-art in mode-localized MEMS coupled resonant sensors: A comprehensive review

V Pachkawade - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
This article reviews the investigation of the mode-localized microelectromechanical system
(MEMS) coupled resonant sensors. This class of a sensor features a new approach in the …

Highly sensitive and broadband meta-mechanoreceptor via mechanical frequency-division multiplexing

C Li, X Liao, ZK Peng, G Meng, Q He - Nature Communications, 2023 - nature.com
Bio-mechanoreceptors capable of micro-motion sensing have inspired mechanics-guided
designs of micro-motion sensors in various fields. However, it remains a major challenge for …

Nonlinearity enhanced mode localization in two coupled MEMS resonators

Z Liu, Y Chen, X Wang, Y Xu, H Dai, Z Shi… - International Journal of …, 2024 - Elsevier
As an intriguing phenomenon in coupled dynamic systems, mode localization has garnered
considerable attention in areas such as vibration control, sensing, etc. This paper …

Mode-localized accelerometer in the nonlinear Duffing regime with 75 ng bias instability and 95 ng/√ Hz noise floor

H Zhang, M Pandit, G Sobreviela, M Parajuli… - Microsystems & …, 2022 - nature.com
Mode-localized sensors have attracted attention because of their high parametric sensitivity
and first-order common-mode rejection to temperature drift. The high-fidelity detection of …

A high-performance mode-localized accelerometer employing a quasi-rigid coupler

H Zhang, G Sobreviela, D Chen… - IEEE Electron …, 2020 - ieeexplore.ieee.org
An ultra-sensitive mode-localized accelerometer is reported in this letter. In order to lower
the coupling factor of the coupled resonators thus improving the parametric amplitude ratio …

Weakly coupled piezoelectric MEMS resonators for aerosol sensing

M Chellasivalingam, H Imran, M Pandit, AM Boies… - Sensors, 2020 - mdpi.com
This paper successfully demonstrates the potential of weakly coupled piezoelectric MEMS
(Micro-Electro-Mechanical Systems) gravimetric sensors for the detection of ultra-fine …

Experimental observation of temperature and pressure induced frequency fluctuations in silicon MEMS resonators

M Pandit, A Mustafazade, G Sobreviela… - Journal of …, 2021 - ieeexplore.ieee.org
Silicon MEMS resonators are increasingly being adopted for applications in timing and
frequency control, as well as precision sensing. It is well established that a key limitation to …

A low-noise high-order mode-localized MEMS accelerometer

H Zhang, G Sobreviela, M Pandit… - Journal of …, 2021 - ieeexplore.ieee.org
This paper reports a precision mode-localized accelerometer operating in a higher-order
flexural mode. The accelerometer consists of two symmetric resonators coupled by a central …

Modal characteristics of coupled MEMS resonator array under the effect of residual stress

B Peng, KM Hu, XY Fang, XY Li, WM Zhang - Sensors and Actuators A …, 2022 - Elsevier
The residual stress introduced in the packaging process of the mode localized MEMS
sensors will shift the eigenfrequencies of their coupled resonator array, thereby affecting the …