# RESPONSE ANALYSIS OF LOW-VELOCITY MOTION OF A FRICTION-INDUCED VIBRATING SYSTEM WITH NONLINEAR DAMPING UNDER PERIODIC EXCITATION

21 views## DOI:

https://doi.org/10.54939/1859-1043.j.mst.76.2021.157-166## Keywords:

Dry friction; Stick – slip motion; Stribeck effect; Periodic response; Chaos.## Abstract

In this study, the authors focus on an analysis of the low-velocity motion of a stick-slip vibrating system under the effect of periodic external loads and friction forces described by the LuGre model. For motion in the low-velocity domain, the LuGre model can capture the Stribeck effect in which the friction force decreases as the velocity increases. The system model contains a mass placed on a conveyor belt that moves at a near-zero constant velocity. The authors show that, under the effect of periodic loading, the behavior of the system under consideration is rich, in which periodic motions or chaotic motions may appear. Characteristics of motion are investigated in detail through a numerical computation approach.

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## How to Cite

*Journal of Military Science and Technology*, no. 76, Dec. 2021, pp. 157-66, doi:10.54939/1859-1043.j.mst.76.2021.157-166.