1. Introduction. Recently, a category of vibration isolators with quasi-zero … For a fixed value of α (0 < α < 1), the dynamic stiffness reduces from positive … Vibration isolators having non-linearity in both stiffness and damping terms are … The combinations of stiffness ratio α and geometrical parameter γ that give rise to … 1. Introduction. The term micro-vibration usually refers to low-level mechanical … This kind of isolators are referred to as quasi-zero-stiffness vibration isolators … Due to the nonlinearity introduced by oblique springs with/without pre … Ideally, a vibration isolator should have a high-static stiffness, to withstand static … This disadvantage can be overcome by adding oblique springs in order to obtain … The aim of this paper is to explore the advantages that can be gained by … WebApr 22, 2024 · The high static stiffness and low dynamic stiffness are ideal for a vibration isolation system, which is a typical nonlinear stiffness characteristic. The property of the high static and low dynamic stiffness is called quasi-zero-stiffness (QZS) [38,39]. However, strong nonlinearity could induce the bifurcation phenomenon (e.g., jumping) in the ...
Nonlinear vibration energy harvesting and vibration …
WebOct 19, 2024 · Abstract and Figures The conventional multi-rate spring with high-static-low-dynamic (HSLD) stiffness may not apply to massive payload low frequency vibration isolation due to the poor... WebNov 21, 2024 · A high-static-low-dynamic stiffness (HSLDS) vibration isolator based on a tunable nesting-type electromagnetic negative stiffness (NS) mechanism is presented. The stiffness characteristics of the HSLDS system can be tuned by regulating the current in the coil. When the current is zero, the HSLDS system may degenerate into a passive isolator. … cibc private treaty listing
Design of a Miniaturized Pneumatic Vibration Isolator With High-Static …
WebFeb 21, 2024 · A QZS structure has the advantage of high-static-low-dynamic stiffness, which can provide enhanced vibration isolation performance relative to linear systems. The important research part of the QZS structure is to use the benefit of nonlinearity . A typical approach applied for designing a QZS structure involves the use of oblique springs. WebFeb 21, 2024 · Vibration isolator with high-static low-dynamic stiffness property has been researched extensively, but the isolator’s stability and performance will be deteriorated … WebJan 23, 2024 · These high-static-low-dynamic stiffness (HSLDS) isolators are highly nonlinear, and their vibration attenuation performances increase as the dynamic stiffness decreases. These isolators can also achieve quasi-zero-stiffness (QZS) characteristics with proper parameter selection [ 4, 5, 6, 7 ]. dghc lighting