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Mechanical Friction with Simulink and Physical Modeling

by Dallas Kennedy

 

29 Apr 2008 (Updated 20 May 2008)

Modeling and simulating mechanical friction in the Simulink and Physical Modeling environment

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Description

Stephen Lunzman (Caterpillar), Dallas Kennedy and Steve Miller (The MathWorks)  
 
Systems modeled include clutches, transmission, and pistons. The friction is continuous or hybrid continuous-locking type. Locking friction requires mode iteration and algebraic loops.  
 
MATLAB Digest article linked to this submission: http://www.mathworks.com/company/newsletters/digest/2008/may/friction.html

Acknowledgements
This submission has inspired the following:
Physical Modeling of Mechanical Friction
Required Products SimDriveline
SimMechanics
Simscape
Simulink
MATLAB release MATLAB 7.5 (R2007b)
Other requirements - continuousPiston and lockingPiston depend on SimMechanics. - continuousClutch3 and multiClutch depend on SimDriveline. - JPGs needed as support files for two models - M-file script for use with continuousPiston, which must be loaded first
Zip File Content  
Other Files continuousClutch3.mdl,
continuousPiston.mdl,
lockingPiston.mdl,
multiClutch.mdl,
continuousPiston_fricCoeff.jpg,
lockingPiston_diagram.jpg,
plotFrictionCurve.m,
continuousClutch1.mdl,
continuousClutch2.mdl
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Comments and Ratings (8)
18 May 2008 Monte Taylor  
19 May 2008 Mike Little  
19 May 2008 s Thrush  
23 May 2008 Gopinath S  
23 May 2008 abdallah gamal i want new software version of matlap & simulink
27 May 2008 faizullah mahar  
29 May 2008 Ahmed Lachemat  
31 May 2008 Komla Ofori I believe such files can provide very good learning opportunities for me, in my quest to learn and use MATLAB.  
Keep it up.
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Updates
20 May 2008 Add new links. Tweak text.
20 May 2008 Update with link to MATLAB Digest article.

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