Quote:
Originally Posted by JesseK
You're basically saying that it's OK to imply an assumption for the calculation and then ignore the assumption for the conclusions of overall system characterization.
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Could you be a bit more specific? What "implied assumption" are you referring to?
The only assumptions used in the calculation were to ignore friction (which was explicit, not implied) and to ignore additional stored kinetic energy (rotational). These tend to cancel each other out. Over very short distances (such as 1/4"), the stored rotational KE easily overcomes friction, so it's actually a conservative assumption. You can demonstrate this for yourself, if you like: with the wheels raised, power your minibot with 12V and then remove the power. Observe how much the wheels turn after the power is removed.
If you have questions about the mecanum analysis I would be glad to discuss those, but not in this thread.