Dec 15, 2006 #1 G Green Soldier Junior Member level 2 Joined Jun 1, 2006 Messages 23 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,414 best way of controlling dc motor wut is the best way for speed control of a DC motor>??
Dec 15, 2006 #2 flatulent Advanced Member level 6 Joined Jul 19, 2002 Messages 4,624 Helped 489 Reputation 980 Reaction score 151 Trophy points 1,343 Location Middle Earth Activity points 46,689 best way to control motors Pulse width modulation with variable duty cycle.
Dec 19, 2006 #3 Y yasser_shoukry Full Member level 4 Joined May 31, 2006 Messages 233 Helped 25 Reputation 54 Reaction score 5 Trophy points 1,298 Location Cairo - Egypt Activity points 2,749 If your motor does not compensate high currents (small DC motors like that of a cassette) you can use a DAC connected to a power transistor. Else go for a PWM but it adds non-linearities.
If your motor does not compensate high currents (small DC motors like that of a cassette) you can use a DAC connected to a power transistor. Else go for a PWM but it adds non-linearities.
Dec 22, 2006 #4 barfi Member level 1 Joined Dec 11, 2006 Messages 38 Helped 4 Reputation 8 Reaction score 3 Trophy points 1,288 Location tehran Activity points 1,489 see datasheet of LM629 or LM628 might be useful!