Dear all,

I'm trying to use SciLab Xcos to model a quadcopter. I'm using this reference document to understand the model: http://sal.aalto.fi/publications/pdf-files/eluu11_public.pdf

According to this document, these are the expected simulation results:

3691190023?profile=original

 And these are the results I'm getting with my simulations:

3691190135?profile=original

The linar variations (x, y and z) are ok, but the angles are not. My simulation does not produce a yaw movement when I do a Pitch movement with a previous Roll movement.

What have I missed in the model?

Please find attached the Xcos diagra that I am using.

Thanks a lot and a salute from Brazil.

Diego 

Xcos model.jpeg

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