Microcantilever: Dynamical response for mass sensing and fluid characterization
A microcantilever is a suspended micro-scale beam structure supported at one end which
can bend and/or vibrate when subjected to a load. Microcantilevers are one of the most …
can bend and/or vibrate when subjected to a load. Microcantilevers are one of the most …
Review of applications of self‐excited oscillations to highly sensitive vibrational sensors
H Yabuno - ZAMM‐Journal of Applied Mathematics and …, 2021 - Wiley Online Library
Vibrational sensors with resonators are suited for online monitoring because of their fast
response and ability to measure instantly and continuously. Also, their miniaturization …
response and ability to measure instantly and continuously. Also, their miniaturization …
Dynamical response and noise limit of a parametrically pumped microcantilever sensor in a phase-locked loop
We investigate the response of a digitally controlled and parametrically pumped
microcantilever used for sensing in a Phase-Locked Loop (PLL). We develop an analytical …
microcantilever used for sensing in a Phase-Locked Loop (PLL). We develop an analytical …
Photothermal self-excitation of a phase-controlled microcantilever for viscosity or viscoelasticity sensing
This work presents a feedback closed-loop platform to be used for viscosity or viscoelasticity
sensing of Newtonian or non-Newtonian fluids. The system consists of a photothermally …
sensing of Newtonian or non-Newtonian fluids. The system consists of a photothermally …
Self-excited oscillation produced by a phase shift: Linear and nonlinear instabilities
L An, H Yabuno - Nonlinear Dynamics, 2022 - Springer
Self-excited oscillation is a method to make a resonator vibrate at its natural frequency. This
is widely used in vibration sensors such as mass sensors, atomic force microscopes and …
is widely used in vibration sensors such as mass sensors, atomic force microscopes and …
A multi-modal nonlinear dynamic model to investigate time-domain responses of a micro-cantilever in fluids
C Yilmaz - Engineering Research Express, 2024 - iopscience.iop.org
In this current work, a new nonlinear dynamic model based on the forced Van der Pol
oscillator is introduced to demonstrate the time-domain sensitivities of the micro-cantilever to …
oscillator is introduced to demonstrate the time-domain sensitivities of the micro-cantilever to …
Mode shift detection of coupled resonators through parametric resonance and its application to mass sensing
W Enami, H Yabuno, Y Yamamoto, S Matsumoto - Nonlinear Dynamics, 2022 - Springer
The eigenmode shift in weakly coupled resonators is used for ultra-sensitive micro-mass
measurements. For operation in viscous environments, positive velocity feedback is often …
measurements. For operation in viscous environments, positive velocity feedback is often …
Sensorless self-excited vibrational viscometer with two Hopf bifurcations based on a piezoelectric device
S Urasaki, H Yabuno, Y Yamamoto, S Matsumoto - Sensors, 2021 - mdpi.com
In this study, we propose a high-sensitivity sensorless viscometer based on a piezoelectric
device. Viscosity is an essential parameter frequently used in many fields. The vibration type …
device. Viscosity is an essential parameter frequently used in many fields. The vibration type …
[HTML][HTML] Measuring viscosity with nonlinear self-excited microcantilevers
A viscosity sensor based on the nonlinear behaviour of a microcantilever embedded in a self-
excitation loop with an adjustable phase-shifter is proposed. The self-sustained oscillation …
excitation loop with an adjustable phase-shifter is proposed. The self-sustained oscillation …
Theoretical and experimental approaches for fluidic AFM operations and rheological measurements using micro-cantilevers
C Yilmaz - Journal of the Brazilian Society of Mechanical Sciences …, 2024 - Springer
Micro-cantilever beams interact with fluids in static or dynamic modes for several
applications with different research purposes. Various theoretical studies are performed …
applications with different research purposes. Various theoretical studies are performed …