Inerter-Based Isolation System

  • Michael Z. Q. ChenEmail author
  • Yinlong Hu


This chapter is concerned with the problem of analysis and optimization of the inerter-based isolators based on a “uni-axial” single-degree-of-freedom isolation system. In the first part, in order to gain an in-depth understanding of inerter from the prospective of vibration, the frequency responses of both parallel-connected and series-connected inerters are analyzed. In the second part, three other inerter-based isolators are introduced and the tuning procedures in both the \(H_\infty \) optimization and the \(H_2\) optimization are proposed in an analytical manner. The achieved \(H_2\) and \(H_\infty \) performance of the inerter-based isolators is superior to that achieved by the traditional dynamic vibration absorber (DVA) when the same inertance-to-mass (or mass) ratio is considered. Moreover, the inerter-based isolators have two unique properties, which are more attractive than the traditional DVA: first, the inertance-to-mass ratio of the inerter-based isolators can easily be larger than the mass ratio of the traditional DVA without increasing the physical mass of the whole system; second, there is no need to mount an additional mass on the object to be isolated.


Vibration isolation \(H_\infty \) optimization \(H_2\) optimization Transmissibility Analytical analysis. 


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© Springer Nature Singapore Pte Ltd. and Science Press, Beijing 2019

Authors and Affiliations

  1. 1.School of AutomationNanjing University of Science and TechnologyNanjingChina
  2. 2.College of Energy and Electrical EngineeringHohai UniversityNanjingChina

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