Tooth cogging is one of the main contributor between feddforward torque and feedback torque. accurate modelling allows for torque feedback limitation and torque limitation in case of unwanted contact.
to read from adjacent market : https://ieeexplore.ieee.org/document/1556714
https://www.precisionmicrodrives.com/content/cogging-torque-in-permanent-magnet-motors/
Question
- RL to improve beyond encoder based compensation ?