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Experimental verification of the vibro-impact capsule model.

Liu, Yang; Pavlovskaia, Ekaterina; Wiercigroch, Marian


Yang Liu

Ekaterina Pavlovskaia

Marian Wiercigroch


In this paper, an experimental verification of the vibro-impact capsule model proposed by Liu et al. in [1-3] is presented. The capsule dynamics is investigated experimentally by varying the stiffness of the support spring, and the frequency and the amplitude of excitation. The novel design of the experimental set-up is discussed, and comparisons between the experiments and numerical simulations are presented showing a good agreement. The conducted bifurcation analysis indicates that the behaviour of the system is mainly periodic and that a fine tuning of the control parameters can significantly improve the performance of the system. The main findings provide a better insight into the vibro-impact systems subject to nonlinear friction, and the experimental rig can be used to predict the dynamic behaviour of these systems.


LIU, Y., PAVLOVSKAIA, E. and WIERCIGROCH, M. 2016. Experimental verification of the vibro-impact capsule model. Nonlinear dynamics [online], 83(1-2), pages 1029-1041. Available from:

Journal Article Type Article
Acceptance Date Sep 3, 2015
Online Publication Date Sep 16, 2015
Publication Date Jan 31, 2016
Deposit Date Sep 20, 2016
Publicly Available Date Sep 20, 2016
Journal Nonlinear dynamics
Print ISSN 0924-090X
Electronic ISSN 1573-269X
Publisher Springer
Peer Reviewed Peer Reviewed
Volume 83
Issue 1-2
Pages 1029-1041
Keywords Capsule dynamics; Vibroimpact; Experiment; Stickslip; Friction
Public URL


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