Lab 7P' 1

1
DC Motors

• Lab 7

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Magnetism
3
Magnetic Fields
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Electric Currents gt Magnetism!
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Right Hand Rule
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Electromagnetism
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Electromagnet
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Force in a Conductor
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Force in a Conductor
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Diagram of a Simple DC Motor
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Commutator
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Electric Motor
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Motors

• DC Series, Parallel, Permanent Magnet, etc
• AC Induction, Synchronous, etc
• Stepper
• Servo
• Universal

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In This Lab

• Study the stepper motor and find a switching
  sequence which produces rotation
• Using the oscilloscope, analyze the signal used
  by the Handy Board to control the servo motor at
  your table
• Build your own DC motor using the kit provided
• Analyze the small DC motor at your table

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Questions ?