Stepper Motor (Leaving Cert Engineering): Flashcards
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Stepper motor definition
Stepper motor definition
Electromechanical device converting electrical pulses to precise mechanical steps
Key feature of stepper motors
Key feature of stepper motors
Moves in exact, controlled discrete step increments
Factor controlling stepper motor direction
Factor controlling stepper motor direction
Sequence of electrical pulses
Factor controlling stepper motor speed
Factor controlling stepper motor speed
Frequency of input pulses
Factor controlling total rotation angle
Factor controlling total rotation angle
Number of input pulses
Stepper motor torque when not moving
Stepper motor torque when not moving
Full torque at standstill when energised
Stepper motor positioning accuracy
Stepper motor positioning accuracy
Within 3-5% of each step
Why stepper motors are highly reliable
Why stepper motors are highly reliable
No contact brushes, minimal wear
Stepper motor open-loop control advantage
Stepper motor open-loop control advantage
Simple control without complex feedback mechanisms
Stepper motor rotor composition
Stepper motor rotor composition
Permanent magnets with N and S poles
Stepper motor resonance problem effects
Stepper motor resonance problem effects
Vibration, noise, potential loss of steps
Stepper motor high-speed limitation
Stepper motor high-speed limitation
Difficult to operate at very high speeds