Activation characteristic of a vibro-impact energy sink and its application to chatter control in turning - INSA Toulouse - Institut National des Sciences Appliquées de Toulouse Access content directly
Journal Articles Journal of Sound and Vibration Year : 2017

Activation characteristic of a vibro-impact energy sink and its application to chatter control in turning

Tao Li
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  • IdRef : 200239260
Sébastien Seguy
Alain Berlioz

Abstract

The ultimate goal of this paper is to propose a procedure for the optimal design of a Vibro-Impact (VI) Nonlinear Energy Sink (NES) to control the vibration of any possible linear or nonlinear main systems. To this end, the activation characteristic of VI NES at a range of displacement amplitude of a main system is generalized from linear systems to nonlinear systems. It is theoretically proved and experimentally observed that this activation characteristic is almost independent of frequency, which provides direct proof for the effectiveness of VI NES in a broad frequency bandwidth. In terms of vibration control, this feature is very attractive and builds a bridge between linear and nonlinear systems. Then it is applied for the design of VI NES attached to nonlinear systems. In this way, the design of VI NES for a nonlinear system is simplified to the optimal design for a linear system, which is designed to be similar to this target nonlinear system. Because the latter can be analytically calculated, the proposed method is feasible from a quantitative perspective. Finally, this activation characteristic and a proposed design method are applied to control chatter in a turning process, and results prove its feasibility.
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Dates and versions

hal-01819565 , version 1 (03-12-2018)

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Tao Li, Donghai Qiu, Sébastien Seguy, Alain Berlioz. Activation characteristic of a vibro-impact energy sink and its application to chatter control in turning. Journal of Sound and Vibration, 2017, 405, pp.1-18. ⟨10.1016/j.jsv.2017.05.033⟩. ⟨hal-01819565⟩
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