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Simulation break by using a integration and a coulomb & friction block

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Janosch

Janosch

Mechanical
Joined
Jan 20, 2004
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I have build a Simulink model including an integration and a coulomb & viscous friction block. After I characterise a signum-function in the coulomb & viscous friction parameter block, Simulink abort the simulation by zero-crossing without an error message.
I think the model is mathematical accurate defined.
Is it a numerical problem of Matlab/Simulink?
I hope someone could help me.
 
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