Encoders are the most widely used feedback devices for electric motor control, capable of delivering precise position and speed feedback for closed-loop performance. With numerous technology options ...

Abstract: In order to improve resolution of multi-pole encoder and realize absolute output, a novel absolute multi-pole encoder structure based on calibration was proposed. Two ring alnicos, defined ...

Abstract: This paper presents improvement for the alignment of the rotor of permanent magnet synchronous motor equipped with incremental encoder during start-up of the motor. Proposed improvement ...