Modelling Backlash in Simscape Multibody Model

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LT
LT on 18 Nov 2024 at 3:08
Commented: Jens Schnebele on 22 Nov 2024 at 3:48
Hello,
I already have a multibody model of a DC motor shaft connected to a rod and rest of the components. Currently I am using a weld joint between the DC motor shaft and the rod. Now I am asked to model backlash between the motor shaft and rod, is it possible to model in Simscape Mulitbody? I knew I need to change the joint type but how do I add the backlash?
I came across a document mentioned that SimScape Multibody does not provide a function for modelling backlash (https://eprints.whiterose.ac.uk/184361/1/robotics-10-00134-v2.pdf, pg 16), is it true? If not, how can I do the modelling?
Thanks!
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Jens Schnebele
Jens Schnebele on 22 Nov 2024 at 3:48
could you just use the revolute joint : https://www.mathworks.com/help/sm/ref/revolutejoint.html
you can set limits (default this option is toggled "off") and even damping and stiffness.

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