A Detailed Study of the Low-Frequency Periodic Behavior of a Dry Friction Oscillator

[+] Author and Article Information
C. J. Begley, L. N. Virgin

Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC 27708

J. Dyn. Sys., Meas., Control 119(3), 491-497 (Sep 01, 1997) (7 pages) doi:10.1115/1.2801284 History: Received October 03, 1994; Revised October 03, 1994; Online December 03, 2007


This work examines the periodic stopping motion present in the low-frequency response of a dry friction oscillator, excited harmonically through a base spring. Piecewise linear solution methods are used to compare two simple friction models, to consider the effects of viscous damping, and to illustrate stability considerations. Seeding phenomena, particularly at degenerate frequency ratios, are noted. Finally, experimental results provide a means to assess the effectiveness of the simple friction models in predicting observed motion.

Copyright © 1997 by The American Society of Mechanical Engineers
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