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AC or DC Motors. ACFew robots use AC except in factoriesMost of those that use AC first convert to DCDCDominates in roboticsMust be bidirectional. DC Motor Types. Continuous-duty (run continuously when power supplied)BrushedBrushlessServoIntermittent-duty (power must be pulsed to run conti
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1. Motors & Motor Controllers ECE 450
2. AC or DC Motors AC
Few robots use AC except in factories
Most of those that use AC first convert to DC
DC
Dominates in robotics
Must be bidirectional
3. DC Motor Types Continuous-duty (run continuously when power supplied)
Brushed
Brushless
Servo
Intermittent-duty(power must be pulsed to run continuously)
Stepper Motors
4. Motor Specifications Operating voltage
Current draw
Speed
Torque
Stalling or Running Torque
5. DC Motor: Brush Motors