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  1. afonda

    euler or quaternion transform

    Enkodham: I'll check the text, but in the meantime I hired a Vilanova Engineering Dynamics grad student to do it, and he has written a nice program in Matlab. His final assignment is to check the state of the art, lest when report the transformed data we wrongly claim novelty; so the citation...
  2. afonda

    euler or quaternion transform

    Please be specific. You have so far confirmed that I already understand the problem. What I need is the procedure, as distinct from the name of the type of procedure. I need the actual matrix which does the transform.
  3. afonda

    euler or quaternion transform

    While the Euler geometric equations have the proper outputs, they do not have the proper inputs; rate gyros read rates about body axes, which are not rates of change of the Euler angles. This ought to be a standard aeronautic/aerospace problem. How does Ground Control interpret the signals...
  4. afonda

    Gimbal the accelerometer: Quaternion transform

    An instrumentation problem. Given the data from an on-board accelerometer and rate gyro package (6 channels/columns), how to transform from vehicle to earth axes (and integrate)? Probably Euler or quaternion transform. Same problem as in robotics, games, spacecraft. Urgent.
  5. afonda

    euler or quaternion transform

    Does Matlab support Euler or quaternion transforms? I have searched this website for those words and found nothing. If it can be found in Matlab itself (I do have access) I don't know where to find it. I have spread sheets with 3-axis accelerometer data and 3-axis rate gyro data. I believe I...

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