Stiffness control of magnetorheological gels for adaptive tunable vibration absorber

HK Kim, HS Kim, YK Kim - Smart Materials and Structures, 2016 - iopscience.iop.org
In this study, a stiffness feedback control system for magnetorheological (MR) gel—a smart
material of variable stiffness—is proposed, toward the design of a tunable vibration absorber …

Designing an attachable and power-efficient all-in-one module of a tunable vibration absorber based on magnetorheological elastomer

DI Jang, GE Yun, JE Park, YK Kim - Smart Materials and …, 2018 - iopscience.iop.org
This study designs an all-in-one module of a tunable vibration absorber (TVA) using
magnetorheological elastomer (MRE) considering easy installation in a plug-and-play …

Design of a stiffness variable flexible coupling using magnetorheological elastomer for torsional vibration reduction

KH Lee, JE Park, YK Kim - Journal of Intelligent Material …, 2019 - journals.sagepub.com
In this study, the design of an magnetorheological elastomer flexible coupling whose
torsional stiffness can be controlled by an embedded magnetic field generator is proposed. It …

Analysis of electrical resistance and impedance change of magnetorheological gels with DC and AC voltage for magnetometer application

JE Park, GE Yun, DI Jang, YK Kim - Sensors, 2019 - mdpi.com
Magnetorheological gel (MRG) is a smart material that can change its stiffness property by
external magnetic field and has been applied as a smart rubber in suppressing vibration …

Design of model-free reinforcement learning control for tunable vibration absorber system based on magnetorheological elastomer

JE Park, J Lee, YK Kim - Smart Materials and Structures, 2021 - iopscience.iop.org
This paper proposes a novel model-free reinforcement learning (RL) for vibration control of a
magnetorheological elastomer (MRE)-based application. Because the modeling of the MRE …

A study on the effects of multiwall carbon nanotubes on dynamic stiffness of hydrophilic-base magnetorheological gel

YK Kim, J Kim, D Jang, S Kim, W Jung - Current Nanoscience, 2019 - ingentaconnect.com
Background: Recently, addition of multi-walled-carbon-nanotubes (MWCNTs) has been
researched to enhance the rheological properties of magnetorheological (MR) materials of …

Modeling the non-linear rheological behavior of magnetorheological gel using a computationally efficient model

G Zhang, Y Li, Y Yu, H Wang… - Smart Materials and …, 2020 - iopscience.iop.org
Magnetorheological (MR) gel is a novel generation of smart MR material, which has the
inherent hysteretic properties and strain stiffening behaviors that are dependent on applied …

Experimental study of the semi-active mass damper under impulse excitation

X Wang, D Wang, Z Xu, T Wang, G Fu… - Review of Scientific …, 2022 - pubs.aip.org
Mass dampers usually aim to control the steady state vibration of harmonic excitation, but
few efforts have focused on suppressing the transient vibration caused by impulse …

Frequency-adaptable tuned mass damper using metal cushions

S Rieß, W Kaal, K Herath - Vibration, 2021 - mdpi.com
A frequency-adaptable tuned mass damper (FATMD) using metal cushions as tuneable
stiffness components is presented. The dynamic properties of the cushions with respect to …