Stepper Motor (Leaving Cert Engineering): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does a stepper motor transform into precise mechanical movement?
What does a stepper motor transform into precise mechanical movement?
Electrical signals
How does a stepper motor move differently from regular motors?
How does a stepper motor move differently from regular motors?
In exact, controlled steps
What determines the direction of shaft rotation in a stepper motor?
What determines the direction of shaft rotation in a stepper motor?
Sequence of electrical pulses
What controls the speed of rotation in a stepper motor?
What controls the speed of rotation in a stepper motor?
Frequency of input pulses
What determines the total rotation angle of a stepper motor?
What determines the total rotation angle of a stepper motor?
Number of input pulses
When does a stepper motor provide full torque?
When does a stepper motor provide full torque?
At standstill when energised
What is the typical positioning accuracy of quality stepper motors?
What is the typical positioning accuracy of quality stepper motors?
Within 3-5% of each step
Why do stepper motors have high reliability?
Why do stepper motors have high reliability?
They have no contact brushes
What type of control system do stepper motors enable?
What type of control system do stepper motors enable?
Open-loop control
What problem can occur if stepper motors are not properly controlled?
What problem can occur if stepper motors are not properly controlled?
Resonance problems
What is a limitation of stepper motors regarding speed?
What is a limitation of stepper motors regarding speed?
Difficult at very high speeds
What does the central rotor of a stepper motor contain?
What does the central rotor of a stepper motor contain?
Permanent magnets