1. Control in Drive Systems
Variable-speed drive and motor

2. Control in Drive Systems
Speed control System:
Position control System:

3. Control in Drive Systems
Evolution of drive control techniques

4. Control in Drive Systems
Comparisons of control types

5. DC Drive
Torque and flux controllers

6. DC Drive
Torque and current controllers
Flux controller

7. AC Drive

8. Scalar Control (v/f contstant)

9. Open-loop sensorless control

10. Vector Control

11. Vector Control

12. Direct Torque Control

13. Direct Torque Control

14. Comparison of different induction motor control schemes

15. Position and speed feedback

16. Position and speed feedback
Encoder requirements for different motor control schemes

17. Position and speed feedback
R : resolution of the feedback device in degrees. Ts : sample time is in seconds
Speed feedback derived from an encoder

18. Position and speed feedback
Resolver

19. Position and speed feedback
Incremental encoder

20. Position and speed feedback
Incremental encoder signal processing

21. Position and speed feedback
SINCOS signal processing

22. Position and speed feedback
Absolute encoders
Optical encoder discs with absolute information: (a) 13-bit Gray code; (b) serial code

23. End Session 3