Results 251 to 260 of about 8,268 (287)

Maximum-Power Stirling-like Heat Engine with a Harmonically Confined Brownian Particle. [PDF]

Entropy (Basel)
Prieto-Rodríguez I, Prados A, Plata CA.
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Enhanced Deformability Through Distributed Buckling in Stiff Quasicrystalline Architected Materials. [PDF]

Adv Mater
Rosa MIN, Karapiperis K, Radi K, Pescialli E, Kochmann DM.   +4 more
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Breaking Stiffness-Tunability Trade-offs in Metamaterials: a Minimal Surface Guided Hybrid Lattice Strategy. [PDF]

Adv Sci (Weinh)
Zhang M, Gao K, Liu J, Zou Z, Yang J, Qian M, Zhai W, Wu Z.   +7 more
europepmc   +1 more source

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A quasi-zero-stiffness dynamic vibration absorber

Journal of Sound and Vibration, 2021
Abstract Dynamic vibration absorbers (DVAs) are practical solutions for vibration absorption. However, it is still a challenge to absorb ultra-low frequency vibration. In this paper, a quasi-zero-stiffness (QZS) DVA is proposed for ultra-low frequency vibration absorption. Firstly, the conceptual design of the QZS DVA is carried out by using a simple
Yaopeng Chang, Jiaxi Zhou, Kai Wang, Daolin Xu   +3 more
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Limb-inspired bionic quasi-zero stiffness vibration isolator

Acta Mechanica Sinica, 2021
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zeng, Rong, Wen, Guilin, Zhou, Jiaxi, Zhao, Gang   +3 more
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Review on Low Frequency Control of Quasi-Zero Stiffness

2021 13th International Conference on Computer and Automation Engineering (ICCAE), 2021
Quasi-zero stiffness (QZS) vibration isolation system is composed of positive stiffness structure and negative stiffness structure. It can obtain high static stiffness and low dynamic stiffness near the static equilibrium position. The benefits of the QZS technology are to realize the low frequency vibration control and solve the contradiction of low ...
Bu-yun Li, Chang-geng Shuai, Wei Xu, Zhao-hao Yang   +3 more
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Displacement sensing with quasi-zero stiffness structure and flexoelectricity

Smart Materials and Structures, 2023
Abstract Flexoelectricity is a strain-gradient-induced electromechanical coupling effect promising for high-resolution sensing. A novel displacement sensing method is developed based on long-range quasi-zero stiffness and flexoelectricity.
Haoyu Gu, Hui Ji, Shuwen Zhang, Chongpu Zhai, Minglong Xu   +4 more
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Optimization of a quasi-zero-stiffness isolator

Journal of Mechanical Science and Technology, 2007
The frequency range over which a mount can isolate a mass from a vibrating base (or vice versa) is often limited by the mount stiffness required to support the weight of the mass. This compromise can be made more favourable by employing non-linear mounts with a softening spring characteristic such that small excursions about the static equilibrium ...
Carrella, A., Brennan, M.J., Waters, T.P.   +2 more
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A torsion quasi-zero stiffness vibration isolator

Journal of Sound and Vibration, 2015
Abstract A torsion vibration isolator with quasi-zero stiffness (QZS) is proposed to attenuate the transmission of torsional vibration along a shaft system, which also plays a role of coupling between shafts. A pre-compressed cam–roller mechanism is designed to provide torsional negative stiffness that counteracts with the positive torsion stiffness ...
Jiaxi Zhou, Daolin Xu, Steven Bishop
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An integrated design of quasi-zero stiffness mechanism

Journal of Mechanical Science and Technology, 2016
Nonlinear Quasi-zero stiffness (QZS) mechanisms were studied to overcome the weakness of linear isolators. This paper presents an integrated design of the QZS mechanism. First, various types of QZS vibration mechanisms are analyzed and a generalized model for QZS mechanisms is derived.
Hyeong-Joon Ahn, Sung-Hun Lim, Changkun Park   +2 more
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