1. CMPE 118 MECHATRONICS Stepper Motors Cleverness with Magnets and Coils

2. CMPE 118 MECHATRONICS Stepper Motors Different types of stepper motors Differences in Characteristics Snubbing for Stepper Motors Stepper Drive Techniques Stepper Dynamics

3. CMPE 118 MECHATRONICS The Permanent Magnet (PM) Stepper Motor

4. CMPE 118 MECHATRONICS PM Stepper Operation S N

5. CMPE 118 MECHATRONICS Torque v.s. Angular Displacement

6. CMPE 118 MECHATRONICS The Variable Reluctance (VR) Stepper Motor

7. CMPE 118 MECHATRONICS The Hybrid Stepper Motor

8. CMPE 118 MECHATRONICS The Hybrid Motor Rotor

9. CMPE 118 MECHATRONICS Offset Teeth in Hybrid Rotor

10. CMPE 118 MECHATRONICS Variations in Output Torque

11. CMPE 118 MECHATRONICS Stepper Motor Wiring

12. CMPE 118 MECHATRONICS Winding Direction is Important

13. CMPE 118 MECHATRONICS 2-Phase Universal Wound v.s. 4-Phase

14. CMPE 118 MECHATRONICS Driving Stepper Motors

15. CMPE 118 MECHATRONICS Stepper Sequences: Full Step

16. CMPE 118 MECHATRONICS Driving Full Step

17. CMPE 118 MECHATRONICS Stepper Sequences: Wave Drive S N

18. CMPE 118 MECHATRONICS Driving: Wave Drive

19. CMPE 118 MECHATRONICS Stepper Sequences: Half-Step

20. CMPE 118 MECHATRONICS Driving: Half-Step

21. CMPE 118 MECHATRONICS Stepper Sequences: Micro-Stepping

22. CMPE 118 MECHATRONICS Generating the Drive Logic Sequencer Coil Drive

23. CMPE 118 MECHATRONICS Stepping Dynamics

24. CMPE 118 MECHATRONICS Load Affects the Step Dynamics

25. CMPE 118 MECHATRONICS Drive Affects the Step Dynamics a b

26. CMPE 118 MECHATRONICS Stepper Motor Performance Curves

27. CMPE 118 MECHATRONICS Current Dynamics

28. CMPE 118 MECHATRONICS L/nR Drive

29. CMPE 118 MECHATRONICS Current Rise in Detail

30. CMPE 118 MECHATRONICS Performance Improvement with L/nR Drive

31. CMPE 118 MECHATRONICS 2-Level Drive

32. CMPE 118 MECHATRONICS Chopper Drive

33. CMPE 118 MECHATRONICS Diode Snubber for an H-Bridge

34. CMPE 118 MECHATRONICS Zener Diode Snubber for and H-Bridge

35. CMPE 118 MECHATRONICS Several other alternatives

36. CMPE 118 MECHATRONICS Snubber Summary

37. CMPE 118 MECHATRONICS Affects of Snubbing on Performance