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 …

A compact quasi-zero-stiffness device for vibration suppression and energy harvesting

Q Wang, J Zhou, K Wang, Q Lin, D Xu, G Wen - International Journal of …, 2023 - Elsevier
In this study, a novel compact energy harvesting dynamic vibration absorber (EHDVA) with
quasi-zero-stiffness (QZS) characteristics is engineered for both vibration suppression and …

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 …

A combined vibration isolation system with quasi-zero stiffness and dynamic vibration absorber

ZY Xing, XD Yang - International Journal of Mechanical Sciences, 2023 - Elsevier
The vibration control performance of a combined vibration isolation (CVI) system consists of
a quasi-zero stiffness (QZS) system and a linear dynamic vibration absorber (DVA) is …

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 …

[HTML][HTML] Exploiting nonlinearity for the design of linear oscillators: Application to an inherently strong nonlinear X-shaped-spring suspension

G Gatti, C Svelto - Mechanical Systems and Signal Processing, 2023 - Elsevier
This paper proposes a paradigm shift in the perspective of designing nonlinear oscillators,
ie, the exploitation of nonlinearity to achieve a linear behaviour to good engineering …

Vibration isolation properties of the nonlinear X-combined structure with a high-static and low-dynamic stiffness: Theory and experiment

X Chong, Z Wu, F Li - Mechanical Systems and Signal Processing, 2022 - Elsevier
A nonlinear X-combined structure is proposed and designed using an X-shaped structure
(positive/negative stiffness mechanism) and two inclined springs (positive stiffness …

Dual quasi-zero-stiffness dynamic vibration absorbers for double-low-frequency vibration suppression

Y Li, Y Chang, J Zhou, K Wang - International Journal of Mechanical …, 2024 - Elsevier
Generally, a dynamic vibration absorber (DVA) is effective in suppressing single-frequency
vibration, which would be unworkable for double-frequency vibration. This study introduces …

A nonlinear quasi-zero stiffness vibration isolator with quintic restoring force characteristic: A fundamental analytical insight

G Gatti - Journal of Vibration and Control, 2024 - journals.sagepub.com
The nonlinear mechanical oscillator with X-shaped-spring suspension has attracted relevant
attention in the past couple of years due to its ability to tailor the corresponding stiffness …

Analysis and experiment of a novel compact magnetic spring with high linear negative stiffness

M Wu, J Wu, J Che, R Gao, X Chen, X Li, L Zeng… - … Systems and Signal …, 2023 - Elsevier
Improving the isolation performance of vibration isolators by introducing magnetic negative
stiffness mechanisms (NSMs) has attracted extensive attention in recent years …