Quasi-zero-stiffness vibration isolation: designs, improvements and applications

C Liu, W Zhang, K Yu, T Liu, Y Zheng - Engineering Structures, 2024 - Elsevier
Most of the engineering vibrations are harmful, due to many unfavorable consequences
caused by them, such as structural damage, poor working accuracy, etc., making it …

[HTML][HTML] Recent advances in quasi-zero stiffness vibration isolation systems: an overview and future possibilities

Z Ma, R Zhou, Q Yang - Machines, 2022 - mdpi.com
In recent decades, quasi-zero stiffness (QZS) vibration isolation systems with nonlinear
characteristics have aroused widespread attention and strong research interest due to their …

Orthogonal six-DOFs vibration isolation with tunable high-static-low-dynamic stiffness: Experiment and analysis

RB Hao, ZQ Lu, H Ding, LQ Chen - International Journal of Mechanical …, 2022 - Elsevier
In order to suppress the low-frequency vibration of a high-precision instrument, an
orthogonal six-DOFs vibration isolation system with tunable high-static-low-dynamic stiffness …

X-shaped mechanism based enhanced tunable QZS property for passive vibration isolation

Y Chai, X Jing, X Chao - International Journal of Mechanical Sciences, 2022 - Elsevier
A novel spring arrangement based on the X-shaped anti-vibration structure with tunable
contact mechanism (NXSC) is proposed to explore much better low-frequency vibration …

Shock isolation of an orthogonal six-DOFs platform with high-static-low-dynamic stiffness

RB Hao, ZQ Lu, H Ding… - Journal of Applied …, 2023 - asmedigitalcollection.asme.org
A novel approach to enhance the shock vibration environment of multi-directions using a
high-static-low-dynamic stiffness supported orthogonal six-degrees-of-freedom (DOFs) …

Low-frequency vibration isolation via an elastic origami-inspired structure

S Liu, G Peng, Z Li, W Li, L Sun - International Journal of Mechanical …, 2023 - Elsevier
This paper presents a new elastic origami-inspired structure with quasi-zero-stiffness (QZS)
characteristics to provide effective low-frequency vibration isolation performance. The …

Performance of a shock isolator inspired by skeletal muscles

G Gatti, DF Ledezma-Ramirez, MJ Brennan - International Journal of …, 2023 - Elsevier
Nonlinear vibration isolators with low dynamic stiffness have advantages compared to linear
isolators, but they also have limitations in terms of the maximum allowable displacement …

Origami-based acoustic metamaterial for tunable and broadband sound attenuation

G Wen, S Zhang, H Wang, ZP Wang, J He… - International Journal of …, 2023 - Elsevier
Noise reduction is of critical importance in many engineering applications. One way to
achieve noise reduction is using acoustic metamaterials. However, traditional acoustic …

A compact X-shaped mechanism based 3-DOF anti-vibration unit with enhanced tunable QZS property

Y Chai, X Jing, Y Guo - Mechanical Systems and Signal Processing, 2022 - Elsevier
Quasi-zero stiffness (QZS) systems for passive vibration isolation have been extensively
studied for high static and low dynamic stiffness in practical applications. However, most …

Ultra-low frequency vibration isolation of a novel click-beetle-inspired structure with large quasi-zero stiffness region

P Ling, L Miao, B Ye, J You, W Zhang, B Yan - Journal of Sound and …, 2023 - Elsevier
Inspired by the three postures of a click beetle, a novel passive click-beetle-inspired
structure (CBIS) with variable asymmetric stiffness characteristics is proposed and …