Simscape driveline dog chlutch problem

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Piotr Domiter
Piotr Domiter 2023-11-8
编辑： Kwon 2025-8-1
Hi, i have a problem with the dog clutch block. The simulation works without the dog clutch block, but if I add it the error will occur. I am stuck and I have no idead what to do. Please try to help me with this.
  1 个评论
Gowtham
Gowtham 2023-11-15
Hello,
A similar question has been addressed and answered on MATLAB Answers. You can find it at the following link: https://in.mathworks.com/matlabcentral/answers/526648

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回答（1 个）

Kwon
Kwon 2025-8-1
编辑：Kwon 2025-8-1
Hi Piotr,
It seems that the dog clutch needs a load attached to its H port. The initialization requires torque balance at port H, and since nothing is attached to the port for torque balance—while torque can propagate from port R to port H—the solver seems to struggle with the initialization. I don't have the exact model, so I have constructed a similar model based on the screenshot. My model also exhibits a similar initialization error when the dog clutch is attached, and the error goes away when an inertia or a rotational damper is attached to port H. This figure shows the dog clutch with a rotational damper attached.
Best,
Kwon

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