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 …

An innovative quasi-zero stiffness isolator with three pairs of oblique springs

F Zhao, J Ji, K Ye, Q Luo - International Journal of Mechanical Sciences, 2021 - Elsevier
This paper presents an innovative design of the quasi-zero stiffness (QZS) isolator with three
pairs of oblique springs. Formulations of stiffness are firstly derived and parameter study is …

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 …

Analysis and design of a novel and compact X-structured vibration isolation mount (X-Mount) with wider quasi-zero-stiffness range

J Bian, X Jing - Nonlinear Dynamics, 2020 - Springer
Passive vibration isolation is always preferable in most engineering practices. To this aim, a
novel, compact and passive vibration isolation mount is studied in this paper, which is …

A quasi-zero-stiffness device capable of vibration isolation and energy harvesting using piezoelectric buckled beams

C Liu, R Zhao, K Yu, HP Lee, B Liao - Energy, 2021 - Elsevier
A quasi-zero-stiffness (QZS) device is proposed for both vibration isolation and energy
harvesting based on a concept of converting part of the vibrational energy into electrical …

An improved quasi-zero stiffness isolator with two pairs of oblique springs to increase isolation frequency band

F Zhao, J Ji, Q Luo, S Cao, L Chen, W Du - Nonlinear Dynamics, 2021 - Springer
Quasi-zero stiffness (QZS) isolators can achieve superior performance in vibration isolation;
however, this superiority is often effective only for an excitation with the small excitation …

Enhanced vibration isolation performance of quasi-zero-stiffness isolator by introducing tunable nonlinear inerter

C Liu, K Yu, B Liao, R Hu - … in Nonlinear Science and Numerical Simulation, 2021 - Elsevier
The concept of quasi-zero-stiffness (QZS) vibration isolator was proposed inrecent decades
aiming at improving the low-frequency isolation performance in a passive manner. However …

Microvibration isolation in sensitive payloads: methodology and design

Z Yuan, Z Zhang, L Zeng, X Li - Nonlinear Dynamics, 2023 - Springer
Microvibration is a severe issue that is present in many components on spacecraft, such as
cryocoolers, thrusters, solar arrays, and momentum/reaction wheel assemblies (M/RWAs) …

Analytical and experimental investigation of a high-static-low-dynamic stiffness isolator with cam-roller-spring mechanism

Y Yao, H Li, Y Li, X Wang - International Journal of Mechanical Sciences, 2020 - Elsevier
A high-static-low-dynamic stiffness (HSLDS) isolator using cam-roller-spring mechanism
with a specially designed cam profile is proposed in this study. The proposed HSLDS …

Effect of damping nonlinearity on the dynamics and performance of a quasi-zero-stiffness vibration isolator

M Shahraeeni, V Sorokin, B Mace, S Ilanko - Journal of Sound and …, 2022 - Elsevier
Abstract Quasi-zero-stiffness (QZS) vibration isolators that take advantage of stiffness
nonlinearity are commonly studied with linear damping elements. This paper concerns the …