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Old 12-23-2009, 01:23 PM   #2796 (permalink)
bones007
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Quote:
Originally Posted by MPaulHolmes View Post
c*RPM*current = pwm_duty
Ok, so that's the general idea. Do you know how much will the value 'c' in your equation above must change depending on which motor you have (emf constant), battery voltage, vehicle load or other hardware characteristics?

I mean will this value need to be tuned for each case or is one value fine for everyone.
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