Results 11 to 20 of about 113,510 (320)

Vibration isolation with quasi-zero stiffness effect [PDF]

Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2019
The study relates to an important direction of applied mechanics — the theory of vibration isolation of vibroactive objects, such as generators, engines, pumps, compressors, fans, pipelines, etc.
Yu. A. Burian, M. V. Silkov
doaj   +2 more sources

Programmable Quasi-Zero-Stiffness Metamaterials

Engineering
Quasi-zero-stiffness (QZS) metamaterials have attracted significant interest for application in low-frequency vibration isolation. However, previous work has been limited by the design mechanism of QZS metamaterials, as it is still difficult to achieve a
Wenlong Liu, Sen Yan, Zhiqiang Meng, Lingling Wu, Yong Xu, Jie Chen, Jingbo Sun, Ji Zhou   +7 more
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Dynamic Analysis of Quasi-Zero Stiffness Pneumatic Vibration Isolator [PDF]

Applied Sciences, 2022
This paper focuses on analyzing the dynamic response of an innovated quasi-zero stiffness pneumatic vibration isolator (QZSPVI) using two mechanisms, including wedge and semicircle cam. Different from other studies relating quasi-zero stiffness isolation
Ngoc Yen Phuong Vo, Thanh Danh Le
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Quasi-Zero Stiffness Isolator Suitable for Low-Frequency Vibration

Machines, 2023
This paper proposes a quasi-zero stiffness (QZS) isolator based on an inclined trapezoidal beam to explore its advantages in low-frequency passive vibration isolation. The nonlinear stiffness of the inclined trapezoidal beam due to the buckling effect is
Guangdong Sui, Xiaofan Zhang, Shuai Hou, Xiaobiao Shan, Weijie Hou, Jianming Li   +5 more
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A bistable mechanism with linear negative stiffness and large in-plane lateral stiffness: design, modeling and case studies [PDF]

Mechanical Sciences, 2020
To overcome the limitations of conventional bistable mechanisms, this paper proposes a novel type of bistable mechanism with linear negative stiffness and large in-plane lateral stiffness.
Z. Zhou, Y. Gao, L. Sun, W. Dong, Z. Du
doaj   +1 more source

Application of the parallelogram mechanism with the effect of quasi-zero stiffness in the vibration protection systems of the operator’s chair of a road construction machine [PDF]

Научно-технический вестник Брянского государственного университета, 2021
For vibration protection of operators of construction and road machines, a promising direction is the use of passive vibration protection systems based on mechanisms with quasi-zero rigidity.
Korytov M.S., Sherbakov V.S., Pochekueva I.E.   +2 more
doaj   +1 more source

A Variable Parameter Ambient Vibration Control Method Based on Quasi-Zero Stiffness in Robotic Drilling Systems

Machines, 2021
Vibrations in the aircraft assembly building will affect the precision of the robotic drilling system. A variable stiffness and damping semiactive vibration control mechanism with quasi-zero stiffness characteristics is developed.
Laixi Zhang, Chenming Zhao, Feng Qian, Jaspreet Singh Dhupia, Mingliang Wu   +4 more
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Nonlinear behavior of quasi-zero stiffness nonlinear torsional vibration isolator

Nonlinear Dynamics, 2023
Abstract This paper researches the nonlinear behavior of a nonlinear torsional vibration isolator (NTVI) which is composed of flexible rod element and electromagnetic element. And the NTVI has a quasi-zero stiffness (QZS) characteristic. Firstly, a statics model of the QZS-NTVI is established and the effects of geometric parameters on the QZS ...
Jiawei Xu, Jianping Jing
openaire   +1 more source

Roller vibroprotection mechanism with a quasi-zero stiffness section

Journal of Physics: Conference Series, 2020
Abstract A new numerical method for designing the profile of the support surface for moving the vibration protection mechanism pressure roller for the operator’s seat in road and construction machines has been developed. The roller vibration protection mechanism of the type under consideration provides for the required force ...
M. S. Korytov, V. S. Shcherbakov, V. V. Titenko, I. E. Pochekueva   +3 more
openaire   +1 more source

Quasi-static stop band with flexural metamaterial having zero rotational stiffness [PDF]

, 2016
Metamaterials realizing stop bands have attracted much attentions recently since they can break-through the well-known mass law. However, achieving the stop band at extremely low frequency has been still a big challenge in the fields of elastic ...
BM Assouar, BM Assouar, D Yu, E Yablonovitch, EG Williams, HH Huang, JH Oh, JH Oh, JH Oh, M Oudich, M Sigalas, MS Kushwaha, P Langlet, R Zhu, R Zhu, R Zhu, S Yao, SH Lee, SH Lee, V Romero-Garcia, Y Li, Z Hou, Z Liu   +22 more
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