Dynamic characteristics of a quasi-zero stiffness vibration isolator with nonlinear stiffness and damping
Sign Up to like & getrecommendations! Published in 2019 at "Archive of Applied Mechanics"
DOI: 10.1007/s00419-019-01541-0
Abstract: A quasi-zero stiffness (QZS) isolator is devised to acquire the feature of high-static-low-dynamic stiffness. Cam–roller–nonlinear spring mechanisms, where two horizontal dampers are installed symmetrically, are employed as a negative stiffness provider to connect in parallel… read more here.
Keywords: quasi zero; frequency; zero stiffness; spring ... See more keywords
Nonlinear vibration of a slightly curved beam with quasi-zero-stiffness isolators
Sign Up to like & getrecommendations! Published in 2018 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-018-4697-9
Abstract: Bending vibration of isolated structures has always been neglected when the vibration isolation was studied. Isolated structures have usually been treated as discrete systems. In this study, dynamics of a slightly curved beam supported by… read more here.
Keywords: vibration; quasi zero; curved beam; zero stiffness ... See more keywords
Isolation performance of a quasi-zero stiffness isolator in vibration isolation of a multi-span continuous beam bridge under pier base vibrating excitation
Sign Up to like & getrecommendations! Published in 2020 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-020-05580-z
Abstract: This paper considers a vibration control problem for a multi-span beam bridge under pier base vibrating excitation by using nonlinear quasi-zero stiffness (QZS) vibration isolators. Three linear springs are needed to construct a nonlinear vibration… read more here.
Keywords: vibration; beam bridge; quasi zero; zero stiffness ... See more keywords
On the characteristics of a quasi-zero-stiffness vibration isolator with viscoelastic damper
Sign Up to like & getrecommendations! Published in 2020 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2020.06.068
Abstract: Abstract Quasi-zero-stiffness (QZS) vibration isolators have been widely studied in previous literature, in which the viscous damping was adopted. In this paper, the QZS isolator with viscoelastic damper is studied, to seek an approach for… read more here.
Keywords: isolator; zero stiffness; viscoelastic damper; quasi zero ... See more keywords
In operando observation of chemical and mechanical stability of Li and Na dendrites under quasi-zero electrochemical field
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DOI: 10.1016/j.ensm.2017.10.007
Abstract: Abstract Quasi-zero electrochemical fields generally refer to the electrochemical systems when external electrochemical process is halted, e.g. completion of charge/discharge, interruption of battery operation and massive battery decay under abuse. For understanding the chemical and… read more here.
Keywords: sodium; zero electrochemical; quasi zero; chemical mechanical ... See more keywords
Design of a quasi-zero stiffness isolation system for supporting different loads
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2020.115198
Abstract: Abstract The quasi-zero stiffness (QZS) vibration isolation system using negative stiffness structure can generally increase the workable frequency range and improve the isolation performance, in comparison with a linear vibration isolator. However, most of the… read more here.
Keywords: system; zero stiffness; quasi zero; isolation ... See more keywords
Design of magnetic-air hybrid quasi-zero stiffness vibration isolation system
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2020.115346
Abstract: Abstract The traditional linear vibration isolation system has the effect of vibration isolation only on the condition that the excitation frequency is more than 2 ω n . Quasi-zero stiffness vibration isolation system has the… read more here.
Keywords: system; stiffness; vibration; quasi zero ... See more keywords
A tunable quasi-zero stiffness isolator based on a linear electromagnetic spring
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2020.115449
Abstract: Abstract High-static-low-dynamic stiffness (HSLDS) or quasi-zero stiffness (QZS) has attracted a great deal of attention in vibration isolation research. However, most existing HSLDS isolators have a nonlinear stiffness, which may lead to nonlinear behavior under… read more here.
Keywords: isolator; stiffness; electromagnetic spring; zero stiffness ... See more keywords
A quasi-zero-strain layered Nb4P2S21 cathode for high-energy solid-state polymer Na–metal batteries
Sign Up to like & getrecommendations! Published in 2024 at "Inorganic Chemistry Frontiers"
DOI: 10.1039/d4qi01500b
Abstract: A quasi-zero strain mechanism for high-capacity sodium storage of Nb4P2S21 revealed by in situ XRD and density functional theory (DFT) calculations. read more here.
Keywords: quasi zero; nb4p2s21 cathode; zero strain; strain layered ... See more keywords
Energy of quasi-zero stiffness energy harvester under strange non-chaotic attractor.
Sign Up to like & getrecommendations! Published in 2025 at "Chaos"
DOI: 10.1063/5.0281427
Abstract: This study investigates the Quasi-Zero Stiffness Energy Harvester (QZEH), a nonlinear, multi-stable system designed for enhanced energy extraction from vibrating mechanical devices. Nonlinear harvesters, like QZEH and bistable systems, operate over a wider frequency range,… read more here.
Keywords: quasi zero; energy; quasi; attractor ... See more keywords
A bidirectional-controllable magnetorheological elastomer-based quasi-zero-stiffness isolator
Sign Up to like & getrecommendations! Published in 2024 at "Smart Materials and Structures"
DOI: 10.1088/1361-665x/ad53ad
Abstract: To enhance the low-frequency vibration isolation bandwidth of quasi-zero stiffness (QZS) isolators under variable amplitude excitations, this paper proposes an adaptive bidirectional-controllable QZS isolator (Bi-QZS) based on magnetic-controlled smart material named magnetorheological elastomer (MRE) as… read more here.
Keywords: quasi zero; bidirectional controllable; isolator; zero stiffness ... See more keywords