Dynamic research on a low-frequency vibration isolation system of quasi-zero stiffness

The paper describes an establishment of dynamic characteristics of the newly created passive mechanical system for isolation of low-frequency (0.7 Hz–50 Hz) vibrations. The many metrological means are sensitive to mechanical vibrations and acoustic noise of low frequency. Such may appear both outsid...

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Bibliographic Details
Published in:Journal of low frequency noise, vibration, and active control vibration, and active control, 2019-06, Vol.38 (2), p.684-691
Main Authors: Jurevicius, M, Vekteris, V, Viselga, G, Turla, V, Kilikevicius, A, Iljin, I
Format: Article
Language:English
Subjects:
Acoustic noise
Aeration
Air conditioning
Air conditioning equipment
Dynamic characteristics
Frequency ranges
Mechanical systems
Stiffness
Vibration
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Summary:The paper describes an establishment of dynamic characteristics of the newly created passive mechanical system for isolation of low-frequency (0.7 Hz–50 Hz) vibrations. The many metrological means are sensitive to mechanical vibrations and acoustic noise of low frequency. Such may appear both outside and inside a building, i.e. may be caused by wind, heating, aeration, air conditioning equipment, moving vehicles and other. In the paper, description of the theoretical and experimental tests is provided. The obtained dynamic characteristics (transmissibilities) of the passive mechanical low-frequency vibration isolation system show that such a system is able to isolate vibrations effectively in the frequency range of 0.7 Hz–50 Hz. The results of the experimental tests support the results of the theoretical research.
ISSN:1461-3484
2048-4046
DOI:10.1177/1461348419830295