期刊
JOURNAL OF SOUND AND VIBRATION
卷 269, 期 1-2, 页码 61-89出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/S0022-460X(03)00004-X
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The effect of high-frequency excitation on a class of systems with friction is considered. Friction is represented by the LuGre and the elasto-plastic model of friction. Analytical expressions are obtained for the effective friction characteristics under two types of fast excitation. Numerical simulation using MATLAB validates the analytical results. The stability of a velocity tracking system with friction is discussed in light of the effective friction characteristics. Numerical simulation of a MATLAB(TM) SIMULINK model is carried out to unfold the basic physical mechanism underneath the mathematical expressions. (C) 2003 Elsevier Ltd. All rights reserved.
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