Journal ArticleDOI
Simulated and experimental studies on a high-static-low-dynamic stiffness isolator using magnetic negative stiffness spring
Reads0
Chats0
TLDR
In this paper, a magnetic vibration isolator with the feature of highstatic-low-dynamic stiffness (HSLDS) is developed, which is constructed by combining a magnetic negative stiffness spring (MNSS) with a spiral flexure spring (SFS) in parallel.About:
This article is published in Mechanical Systems and Signal Processing.The article was published on 2017-03-01. It has received 118 citations till now. The article focuses on the topics: Isolator & Stiffness.read more
Citations
More filters
Journal ArticleDOI
Post-capture vibration suppression of spacecraft via a bio-inspired isolation system
TL;DR: Numerical simulations show that the BIQS system has a much better performance than the SMD system under either periodic or impulsive forces and offers a highly efficient passive way for vibration suppressions of free-floating spacecraft.
Journal ArticleDOI
Design and experimental investigation of ultra-low frequency vibration isolation during neonatal transport
TL;DR: In this article, a new incubator with quasi-zero-stiffness (QZS) isolators is proposed to mitigate mechanical vibration being transmitted from the ambulance floor to the infant.
Journal ArticleDOI
A bio-inspired isolator based on characteristics of quasi-zero stiffness and bird multi-layer neck
TL;DR: In this paper, a multi-layer quasi-zero stiffness (QZS) nonlinear isolator is proposed for low frequency and ultra-low frequency vibration in low frequency on-orbit instruments.
Journal ArticleDOI
Multi-layer electromagnetic spring with tunable negative stiffness for semi-active vibration isolation
Huayan Pu,Huayan Pu,Shujin Yuan,Yan Peng,Kai Meng,Kai Meng,Jinglei Zhao,Xie Rongqing,Yining Huang,Yi Sun,Yi Sun,Yang Yang,Shaorong Xie,Jun Luo,Xuedong Chen +14 more
TL;DR: In this paper, a novel compact and contactless multi-layer electromagnetic spring (MES) with tunable negative stiffness is proposed, which is generated by the electromagnetic force between the coils and the magnets and can be tuned online by controlling the current.
Journal ArticleDOI
A bistable vibration isolator with nonlinear electromagnetic shunt damping
TL;DR: In this article, a bistable vibration isolator with several ring permanent magnets (PMs) and utilizes nonlinear electromagnetic shunt damping (N-EMSD) to improve the vibration isolation performance of the BVI.
References
More filters
Journal ArticleDOI
Recent advances in nonlinear passive vibration isolators
TL;DR: In this paper, a comprehensive assessment of recent developments of nonlinear isolators in the absence of active control means is presented, which highlights resolved and unresolved problems and recommendations for future research directions.
Book
Permanent Magnet and Electromechanical Devices: Materials, Analysis, and Applications
TL;DR: In this paper, the current model and charge model are compared with the charge model and the charge and torque model for magnetic field analysis, and the potential force and torque potential of magnetic fields are analyzed.
Journal ArticleDOI
Static analysis of a passive vibration isolator with quasi-zero-stiffness characteristic
TL;DR: In this article, a simple system comprising a vertical spring acting in parallel with two oblique springs is studied, and it is shown that there is a unique relationship between the geometry and the stiffness of the springs that yields a system with zero dynamic stiffness at the static equilibrium position.
Journal ArticleDOI
3D Studies of Indentation by Combined X-Ray Tomography and Digital Volume Correlation
Mahmoud Mostafavi,Yelena Vertyagina,Christina Reinhard,Robert S. Bradley,Xia Jiang,M. Galano,James Marrow +6 more
TL;DR: In this paper, three-dimensional digital image correlation (digital volume correlation) is applied to study deformation beneath indentations, mapping the relative displacements between high-resolution synchrotron X-ray computed tomographs (0.9 μm voxel size).
Journal ArticleDOI
Force and displacement transmissibility of a nonlinear isolator with high-static-low-dynamic-stiffness
TL;DR: In this paper, the authors investigated the dynamic behavior of a nonlinear isolator supporting a lumped mass by modelling the dynamic system as a single-degree-of-freedom system.