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Unread 03-01-2011, 19:40
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Ether Ether is offline
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Re: Modeling motor control

Quote:
Originally Posted by Joe Ross View Post
I suspect the horizontal lines are due to quantization error in the current measurement and exacerbated by a large number of data points.
Good point Joe. That would explain it.

@Marshal: can you confirm this? Is the resolution of your current measurements ~130ma ? Also, is there noticeable change in the sound of the motor as the peak of the current curve is reached and the current starts to decrease?