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Unread 03-01-2011, 18:11
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Re: Modeling motor control

Here's a drill motor, with no gearbox or pinion attached . I think it's from a 6v Ryobi.

Unfortunately, there's no encoder on it, so I'll have to assume the speed is proportional to voltage.
The current curve seems a lot more regular; there's less noise, and it looks like a continuous function [perhaps 1/x*log(x) ].
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