An Introduction to Permanent-Magnet Gearless Motors and Drive Control Systems

摘要

After reading this article, you should have learned about:rn1. Benefits of PMs: efficiency and potential regen applicationsrn2. Difference between AC asynchronous induction and PM synchronous gearless motors.rn3. Similarity of commutation between DC and PM AC machinesrn4. Importance of synchronismrn5. Encoder feedback; absolute position, resolution and techniquern6. Ride quality control: why more adjustment is needed.