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Electric Motors

Electric Motors. Ara Knaian. Human Power. Line Shaft. Electric Power. AC Motors. Nikola Tesla. Tools with Individual Motors. Motors. Motors convert electrical energy to mechanical energy Motors make things move. LINEAR. DC BRUSH. INDUCTION. ELECTROSTATIC. STEPPER. UNIVERSAL.

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Electric Motors

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  1. Electric Motors Ara Knaian

  2. Human Power

  3. Line Shaft

  4. Electric Power

  5. AC Motors Nikola Tesla

  6. Tools with Individual Motors

  7. Motors • Motors convert electrical energy to mechanical energy • Motors make things move LINEAR DC BRUSH INDUCTION ELECTROSTATIC STEPPER UNIVERSAL

  8. DC Motors

  9. How a DC Motor Works Brushes

  10. How a DC Motor Works Brushes

  11. Motor Modeling Voltage and Current In Torque and Speed Out Heat Out Power In = Power Out

  12. Motor Modeling

  13. Pittman Motor Data Sheet

  14. Pittman Motor Data Sheet

  15. Bidirectional Motor Drive: H-Bridge

  16. Speed Control: PWM Like Low Voltage (slow) Like High Voltage (fast)

  17. Rotary Shaft Encoder

  18. Practical Motor Controller Block Diagram Mechanical System H Bridge Motor Encoder Limit Switch Microcontroller

  19. Stepper Motors

  20. Stepper Motor Selection • Permanent Magnet / Variable Reluctance • Unipolar vs. Bipolar • Number of Stacks • Number of Phases • Degrees Per Step • Microstepping • Pull-In/Pull-Out Torque • Detent Torque

  21. Power Transmission Tw = Tw Tw = Fv

  22. Induction Motors

  23. Universal Motors

  24. LINEAR MOTORS

  25. Tubular Linear Motor

  26. CNC Router with Linear Motors?

  27. Electropermanent Stepper Rotor Stator Alnico Fe Nd-Fe-B Copper Wire Coil Before Installation of Coils After Installation of Coils

  28. Electropermanent Stepper

  29. V1 V2 Time Operation T Tpulse Tpulse = 100μs T= 40 ms

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