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- Title
Dynamic characteristic analysis of two-stage quasi-zero stiffness vibration isolation system.
- Authors
Kai Chai; Qing-chao Yang; Jing-jun Lou
- Abstract
A novel two-stage quasi-zero stiffness (QZS) vibration isolator was proposed for the purpose of low-frequency vibration isolation. Firstly, the dynamic model of the vibration isolation system was established; furthermore, the force transmissibility of the system under harmonic force excitation was derived by the averaging method; finally, the effects on the vibration isolation performance caused by excitation amplitude, mass ratio and damping ratio were discussed. Results show that, compared with the corresponding two-stage linear system, two-stage QZS system not only has better isolation performance, but also possesses a wider range of isolation frequency provided that the excitation amplitude, mass ratio and damping ratio is appropriate.
- Subjects
STIFFNESS (Engineering); AVERAGING method (Differential equations); VIBRATION isolation; DAMPING (Mechanics); VIBRATION absorption
- Publication
Vibroengineering Procedia, 2016, Vol 10, p22
- ISSN
2345-0533
- Publication type
Article