Mechanics and Construction > Mechanics and Construction
Servo torque
drinu:
Hi, thanks for the replies.
Another question:
If I control the motor speed using PWM, when reducing the speed will the torque also decrease?
jwatte:
Torque in an electric motor is a function of how much current you can drive into it. The good thing with PWM is that it can use a high voltage for the times it is on, and thus have higher torque available even at slow speeds than a voltage-based alternative. However, at some level, you have to reduce the torque output to run slower, because a higher torque will cause acceleration up to equilibrium.
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