I understand that you followed all the steps to implement sensorless control for a PMSM using TI Components (F28069M and DRV8305), but you are unable to obtain voltages at the output.
Here are few basic steps which might help you troubleshoot the setup:
- Check Power Supply and Connections/Wiring
- Verify Motor Driver Configuration: gate drive signals from the F28069M to the DRV8305 are being generated correctly, settings on the DRV8305 are correct for the motor
- Inspect Microcontroller Setup: firmware, clocks and timer configurations, GPIO pin configuration
- Check Sensorless Algorithm Implementation: proper initialization and appropriate gains for observer convergence
Hope this helps!
