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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…
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Keywords:
quasi zero;
frequency;
zero stiffness;
spring ... See more keywords
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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…
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Keywords:
vibration;
quasi zero;
curved beam;
zero stiffness ... See more keywords
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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…
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Keywords:
vibration;
beam bridge;
quasi zero;
zero stiffness ... See more keywords
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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…
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Keywords:
isolator;
zero stiffness;
viscoelastic damper;
quasi zero ... See more keywords
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Published in 2018 at "Energy Storage Materials"
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…
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Keywords:
sodium;
zero electrochemical;
quasi zero;
chemical mechanical ... See more keywords
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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…
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Keywords:
system;
zero stiffness;
quasi zero;
isolation ... See more keywords
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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…
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Keywords:
system;
stiffness;
vibration;
quasi zero ... See more keywords
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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…
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Keywords:
isolator;
stiffness;
electromagnetic spring;
zero stiffness ... See more keywords