RX62T

YROTATE-IT-RX62T Motor Control Kit

UM-YROTATE-IT-RX62T Rev.1.00

Page 2 of 51

Jan 15, 2014

Contents

1. Key features .................................................................................................................................................................. 3

2. Hardware overview....................................................................................................................................................... 4

3. Power supply selection ................................................................................................................................................. 6

5. LEDs function description ............................................................................................................................................. 8

6. Internal power stage brief description ......................................................................................................................... 9

7. Interface with an external power stage...................................................................................................................... 10

8. Connection with a 1.5KW external power stage ........................................................................................................ 14

9. Control microcontroller overview............................................................................................................................... 15

10. Permanent magnets AC Brushless motor model...................................................................................................... 17

11. Sensorless Field Oriented Control Algorithm............................................................................................................ 22

12. Flux Feedback Gain ................................................................................................................................................... 23

13. Software description................................................................................................................................................. 24

14. Application customization using “customize.h” file ................................................................................................. 28

15. Start-up procedure.................................................................................................................................................... 30

16. Reference system transformations in details ........................................................................................................... 32

17. PWM modulation technique..................................................................................................................................... 33

18. PC Graphical User Interface ...................................................................................................................................... 34

19. Motor Auto-calibration using the PC GUI ................................................................................................................. 36

20. List of motors tuned automatically using the PC GUI ............................................................................................... 46

21. List of variables used in the file name: “motorcontrol.c”......................................................................................... 47