Theoretical and experimental analyses of a nonlinear magnetic vibration isolator with quasi-zero-stiffness characteristic

D Xu, Q Yu, J Zhou, SR Bishop - Journal of sound and vibration, 2013 - Elsevier
This paper presents a nonlinear magnetic low-frequency vibration isolator designed with the
characteristic of quasi-zero stiffness (QZS). An approximate expression of the magnet …

A tunable quasi-zero stiffness isolator based on a linear electromagnetic spring

S Yuan, Y Sun, J Zhao, K Meng, M Wang, H Pu… - Journal of Sound and …, 2020 - Elsevier
High-static-low-dynamic stiffness (HSLDS) or quasi-zero stiffness (QZS) has attracted a
great deal of attention in vibration isolation research. However, most existing HSLDS …

Multi-layer electromagnetic spring with tunable negative stiffness for semi-active vibration isolation

H Pu, S Yuan, Y Peng, K Meng, J Zhao, R Xie… - … Systems and Signal …, 2019 - Elsevier
Semi-active systems have demonstrated excellent performance in vibration isolation,
However, the tunable range of conventional variable stiffness elements is limited by the …

An adjustable low-frequency vibration isolation Stewart platform based on electromagnetic negative stiffness

M Wang, Y Hu, Y Sun, J Ding, H Pu, S Yuan… - International Journal of …, 2020 - Elsevier
With the continuously increasing requirements for vibration isolation in multiple degrees-of-
freedom (DOFs), the negative stiffness (NS) passive Stewart platform with simple, reliable …

Vibration isolation using six degree-of-freedom quasi-zero stiffness magnetic levitation

T Zhu, B Cazzolato, WSP Robertson… - Journal of Sound and …, 2015 - Elsevier
In laboratories and high-tech manufacturing applications, passive vibration isolators are
often used to isolate vibration sensitive equipment from ground-borne vibrations. However …

Principles and methods of liquid metal actuators

J Ye, W Xiang, C Cheng, W Bao, Q Zhang - Soft Matter, 2024 - pubs.rsc.org
As a promising material, liquid metals (LMs) have gained considerable interest in the field of
soft robotics due to their ability to move as designed routines or change their shape …

Exact and computationally robust solutions for cylindrical magnets systems with programmable magnetization

F Masiero, E Sinibaldi - Advanced Science, 2023 - Wiley Online Library
Magnetic systems based on permanent magnets are receiving growing attention, in
particular for micro/millirobotics and biomedical applications. Their design landscape is …

Design and analysis of a tunable electromagnetic lever-type anti-resonant vibration isolator

J Deng, J Zhao, J Yang, Y Tian, X Long - International Journal of …, 2024 - Elsevier
To broaden the effective vibration suppression band of a typical dynamic anti-resonant
vibration isolator (DAVI), a tunable lever-type anti-resonant vibration isolator has been …

Finite element modeling of nonlinear piezoelectric energy harvesters with magnetic interaction

D Upadrashta, Y Yang - Smart Materials and Structures, 2015 - iopscience.iop.org
Piezoelectric energy harvesting from ambient vibrations is a potential technology for
powering wireless sensors and low power electronic devices. The conventional linear …

Axial force between a thick coil and a cylindrical permanent magnet: Optimizing the geometry of an electromagnetic actuator

W Robertson, B Cazzolato… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
In this paper, a variety of analytical/integral methods are compared for calculating the axial
force between a cylindrical magnet and a “thick” solenoid that consists of many turns both …