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Friction as a Function of Velocity (Negative Viscous Friction Revealed)

  • Brian Armstrong-Hélouvry
Chapter
Part of the The Springer International Series in Engineering and Computer Science book series (SECS, volume 128)

Abstract

The control engineer often assumes a viscous friction model. To describe dry rubbing the tribologist rarely includes any velocity dependence at all, and when he does it is as likely to be negative as positive. Based on the experimental work presented here, the kinetic plus viscous friction model seems very accurate at velocities above a minimum velocity. Below the this velocity, decreasing friction with increasing velocity, or negative viscous friction, is observed.

Keywords

Viscous Friction Kinetic Friction Apply Torque Compliant Motion Lorentzian Model 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1991

Authors and Affiliations

  • Brian Armstrong-Hélouvry
    • 1
  1. 1.University of WisconsinMilwaukeeUSA

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