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 …

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 …

Design of a metastructure for vibration isolation with quasi-zero-stiffness characteristics using bistable curved beam

S Dalela, PS Balaji, DP Jena - Nonlinear Dynamics, 2022 - Springer
This work designs and analyzes a metastructure-based vibration isolation model to improve
small-scale equipment's isolation effectiveness under low-frequency excitations. The feature …

Tetrahedron structure with nonlinear stiffness and inertia modulation for enhanced low frequency vibration isolation

G Yan, JJ Lu, WH Qi, TY Zhao, H Yan, LC Zhao… - Journal of Sound and …, 2023 - Elsevier
A novel magnetically modulated tetrahedron structure with nonlinear inertia (MMTS-NI) is
proposed and systematically investigated for broadband vibration isolation. The MMTS-NI …

Balancing static and dynamic performances of TMD with negative stiffness

N Su, J Bian, S Peng, Z Chen, Y Xia - International Journal of Mechanical …, 2023 - Elsevier
Recently, negative stiffness (NS) has been applied in dynamic vibration absorbers (DVAs) to
achieve better control performance on dynamic responses. However, the adoption of NS …

Analysis of a bio-inspired vibration isolator with a compliant limb-like structure

MQ Niu, LQ Chen - Mechanical Systems and Signal Processing, 2022 - Elsevier
Bio-inspired isolators are a novel type of nonlinear isolators by mimicking the bionic
structures and behaviors. Most of them are based on limb-like structures composed of rigid …

Investigation of a seat suspension installed with compact variable stiffness and damping rotary magnetorheological dampers

L Deng, S Sun, M Christie, D Ning, S Jin, H Du… - … Systems and Signal …, 2022 - Elsevier
Long-term vibration poses a threat to drivers' health and affects their ride performance.
Furthermore, large-magnitude vibration and sudden shocks may even result in end-stop …

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 …

Analytical optimal design of inerter-based vibration absorbers with negative stiffness balancing static amplification and dynamic reduction effects

N Su, J Bian, S Peng, Z Chen, Y Xia - Mechanical Systems and Signal …, 2023 - Elsevier
Negative stiffness (NS) is effective to enhance the control performance of dynamic vibration
absorbers (DVAs) on dynamic excitations. Traditional optimal design of NS-DVAs is based …

Modular quasi-zero-stiffness isolator based on compliant constant-force mechanisms for low-frequency vibration isolation

B Ding, X Li, SC Chen, Y Li - Journal of Vibration and …, 2024 - journals.sagepub.com
To effectively isolate low-frequency vibrations, we present a rigid–flexible coupling quasi-
zero-stiffness (QZS) vibration isolator with high-static-low-dynamic stiffness (HSLDS) …