Theory behind the code

Hi,

I have been studying the Arducopter_alpha code to get a handle on its structure and see if I can contribute.

I noticed some lines of code in the DCM file which make reference to equations, for example, equation 21?

  renorm= .5 *(3 - Vector_Dot_Product(&temporary[0][0],&temporary[0][0])); //eq.21
  Vector_Scale(&DCM_Matrix[0][0], &temporary[0][0], renorm);

It then occurred to me that I suppose there is some underlying aeronautical flight theory behind the operation of the quadcopter, a governing structure to the code and a roadmap for code development.

Are there any public references the theory, structure or raodmap, or is protected IP of DIYdrones?

Regards,
Tom

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Replies

  • 3D Robotics
    The DCM algorythms are all public domain and described well by Bill Premerlani here. We don't protect any IP, other than by open source licences.
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