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Stepper Motors

Stepper Motors. Cleverness with Magnets and Coils. Stepper Motors. Different types of stepper motors. Differences in Characteristics . Stepper Drive Techniques. Stepper Dynamics. Snubbing for Stepper Motors. The Permanent Magnet (PM) Stepper Motor. S. N. PM Stepper Operation.

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Stepper Motors

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  1. Stepper Motors Cleverness with Magnets and Coils

  2. Stepper Motors Different types of stepper motors Differences in Characteristics Stepper Drive Techniques Stepper Dynamics Snubbing for Stepper Motors

  3. The Permanent Magnet (PM) Stepper Motor

  4. S N PM Stepper Operation

  5. Torque v.s. Angular Displacement

  6. The Variable Reluctance (VR) Stepper Motor

  7. The Hybrid Stepper Motor

  8. The Hybrid Motor Rotor

  9. Offset Teeth in Hybrid Rotor

  10. Variations in Output Torque

  11. Stepper Motor Wiring

  12. Winding Direction is Important

  13. 2-Phase Universal Wound v.s. 4-Phase

  14. Driving Stepper Motors

  15. Stepper Sequences: Full Step

  16. Driving Full Step

  17. S N Stepper Sequences: Wave Drive

  18. Driving: Wave Drive

  19. Stepper Sequences: Half-Step

  20. Driving: Half-Step

  21. Stepper Sequences: Micro-Stepping

  22. Generating the Drive Logic Sequencer Coil Drive

  23. Stepping Dynamics

  24. Load Affects the Step Dynamics

  25. Drive Affects the Step Dynamics b a

  26. Stepper Motor Performance Curves

  27. Current Dynamics

  28. L/nR Drive

  29. Current Rise in Detail

  30. Performance Improvement with L/nR Drive

  31. 2-Level Drive

  32. Chopper Drive

  33. Diode Snubber for an H-Bridge

  34. Zener Diode Snubber for and H-Bridge

  35. Several other alternatives

  36. Snubber Summary

  37. Affects of Snubbing on Performance

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