Journal
JOURNAL OF SOUND AND VIBRATION
Volume 440, Issue -, Pages 23-33Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jsv.2018.10.003
Keywords
Dry friction; Hysteretic effects; Stick-slip motion; Modified LuGre model; Lyapunov exponents; Friction-induced vibrations
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Funding
- Polish National Centre of Science (NCN) under the program MAESTRO [DEC-2012/06/A/ST8/00356]
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This paper focuses on analysis of a friction-induced mechanical oscillator with cubic nonlinearity and an applied dynamical model of dry friction. The studied model is based on the classical LuGre approach to friction force modelling. Lyapunov exponents spectrum of the frictional oscillator is calculated by means of a recently implemented method of their estimation for non-smooth systems. Results of the numerical research, observations of the nature of the oscillator's response and interaction of the applied dynamic friction model with the oscillator are reported. (C) 2018 Elsevier Ltd. All rights reserved.
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