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Originally Posted by Rickertsen2
Sounds like you are talking about closed loop feedback. Our team has done it for the past few years, and it helps greatly. One very common algorithm is called PID. It calculates an error which is defined as the difference between the current speed and the desired speed. It then factors in the current error, the time integral of the error and the derivative of the error to arrive at an output to give to the motors. If you do some googling you will find a wealth of info.
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Yes, I am talking about closed loop feedback. So, you do all the above,
and your goal is to deliver a torque to bring a rotating object under control,
but your means to do that is a pulse width modulated drive to an electric
motor. Have a look at the torque/speed curve of a typical electric motor
to understand the source of the issue at hand...