Physical Review E
(Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics)
June 1998, Volume 57, Issue 6, pp. 7340-7343

Full text: PDF

Controlling chaotic frictional forces

M. G. Rozman
Institut für Polymere, ETH Zentrum, CH-8092 Zürich, Switzerland
M. Urbakh and J. Klafter
School of Chemistry, Tel Aviv University, Tel Aviv 69978, Israel
(Received 13 August 1997; revised 28 January 1998)

Methods to control friction in systems under shear are proposed, which enable eliminate chaotic stick-slip motion, and modify frictional forces. The possibilities to control friction are demonstrated using a model system that displays the main experimentally observed behaviors, obtained in measurements on nanoscale confined liquids and granular layers. The methods should be applicable to real systems for which time series of dynamical variables are experimentally available. The only necessary condition is the existence of (possibly unstable) sliding regimes of motion in the experimental systems.

©1997 The American Physical Society


68.15.+e Surfaces and interfaces;
46.30.Pa Friction, wear, mechanical contacts, and tribology
05.45.+b Statistical physics and thermodynamics : Theory and models of chaotic systems
05.40.+j Statistical physics and thermodynamics : Fluctuation phenomena

Keywords: friction; time series; chaos; mechanical control

Full text: PDF

© 2001 Michael Rozman (
Last modified: May 24, 2001