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Re: Once again Troll

Dan, if you studied motor drive electronics, you would find that they are usually CURRENT DRIVE, rather than voltage drive. That is because motors respond directly to current to get their torque, rather than voltage, and it simplifies the servo. CURRENT DRIVE is HIGH impedance, and is essentially IIM free. Voltage drive is prone to IIM, especially with high feedback designs. This is because the amplifier input can overload from attempting to keep the output of the amplifier tracking the input properly.


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