On the trade-off performance curve of vibration isolation controlled by passive or adaptive dampings

Author affiliations


  • La Duc Viet \(^1\)Institute of Mechanics, Vietnam Academy of Science and Technology, 264 Doi Can, Hanoi, Vietnam
    \(^2\)Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Hanoi, Vietnam




adaptive damping, vibration isolation, analytical optimization, on-off damping


This paper addresses an on-off adaptive damping isolation, in which the damping can be frequency dependent. The comparison with the passive isolation is illustrated by the trade off performance curve, which is shown the relation between the displacement and force transmissibility. The adaptive control is based on on-off dampings and a switching frequency. The analytical optimization of the adaptive damping law can be obtained. The optimized adaptive damping control showed a remarkable improvement comparing with the passive one. At last, a self-made magnetorheological fluid is introduced to show the capability to provide the variable damping.


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How to Cite

L. D. Viet, On the trade-off performance curve of vibration isolation controlled by passive or adaptive dampings, Vietnam J. Mech. 45 (2023) 131–144. DOI: https://doi.org/10.15625/0866-7136/18148.



Research Article