Mario. wrote: >On the speed servo... it needs to have some well-tuned pulsed power >system, because motors simply don't move at voltages of ~0.1V :-), >well, maybe except BDLC motors, which are already purely electronic >drive. > > > Voltage doesn't mean much to a servo motor. Current is what matters, as current in the winding produces torque. The servo system checks position (and some also check velocity) and constantly adjusts motor current to achieve minimum error.
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