Noninvasive fluid bubble detection based on capacitive micromachined ultrasonic transducers

J Yuan, Z Li, Q Ma, J Li, Z Li, Y Zhao, S Qin… - Microsystems & …, 2023 - nature.com
Ultrasonic fluid bubble detection is important in industrial controls, aerospace systems and
clinical medicine because it can prevent fatal mechanical failures and threats to life …

[HTML][HTML] A discrete CMUT self-biasing circuit towards implanted devices application

P Roche, K Nadaud, D Galayko, S Calle… - Sensors and Actuators A …, 2024 - Elsevier
Wireless power transfer is an essential feature of biomedical engineering. It reduces the
need for energy storage devices in medical implants. To recharge a body implanted battery …

Coupling effects of crosstalk and parasitic loss on capacitive micromachined ultrasonic transducers

Y Zhao, Z Li, J Li, L Zhao, Z Liu, D Lu, Z Li… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
Capacitive micromachined ultrasonic transducers (CMUTs) have been widely utilized in
applications of biomolecule monitoring, ultrasound medical diagnosis, and ultrasound …

Modeling and Optimization of CMUTs Arrays for Improved Transmission and Reception Performance in Immersion

Z Li, J Yuan, J Li, Z Li, Y Zhao, S Qin, Q Ma… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
Capacitive micromechanical ultrasonic transducers (CMUTs) have widespread applications
in ultrasonic imaging, therapeutic treatment, and underwater applications. Reasonable …

Investigation of the effect of welding residual stress on natural frequencies, experimental and numerical study

H Gharehbaghi, S Hosseini, R Hosseini - Iranian Journal of Science and …, 2023 - Springer
This paper investigates the effect of residual stresses resulting from welding on the values of
natural frequencies of welded structures. First, two aluminum sheets constructed of the 6061 …

Array Equivalent Circuit Model and Experimental Analysis of Square CMUTs

J Li, Z Wu, J Li, Z **ao, Z Li, Y Zhao, G Luo… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
The equivalent circuit is a commonly used tool for performance analysis during capacitive
micromachined ultrasonic transducer (CMUT) design and optimization. In this study, the …

New insights for parasitic effects of label-free biosensors based on capacitive micromachined ultrasonic transducers

Y Zhao, Z Li, X Wang, G Luo, J Li, Z Li… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
Capacitive micromachined ultrasonic transducers (CMUTs) are regarded as an attractive
candidate in bio-applications such as imaging and molecule monitoring. However, the …

Analytical deflection profiles and pull-in voltage calculations of prestressed electrostatic actuated MEMS structures

AS Havreland, EV Thomsen - Journal of …, 2021 - ieeexplore.ieee.org
This paper presents a zeroth and first order perturbative analysis of prestressed electrostatic
actuated Microelectromechanical systems (MEMS). Perturbation theory is used to calculate …

Noninvasive Flow Bubble Detection for Small Pipes Based on Piezoelectric Micromachined Ultrasonic Transducers

Z Li, J Yuan, Q Ma, S Qin, Z Yuan… - 2024 IEEE 19th …, 2024 - ieeexplore.ieee.org
Ultrasonic flow bubble detection plays a significant role in industrial control and chemical
production, as it enables noninvasive monitoring of hydraulic systems, oil degradation, and …

[PDF][PDF] EXPLORATION OF THE EFFECT OF THE PENDULUM AND PERPENDICULAR MASS MOVEMENT ON THE SPRING-MASS IN STATIC AND DYNAMIC …

NY JASIM, TK SALMAN, MM ALAZZAWI, HS MAJDI… - jestec.taylors.edu.my
Pendulum oscillation and instability in electrostatic structures supported by micro springs
influence the reliability of electromechanical systems. The imbalance resulting from the …