2017 - Most Popular Article - To achieve the highest performance, the stepper motor can be treated as a 2 phase brushless servo motor. Current to the motor will then be controlled as a function of the error signal just as with standard servo motors.
Vert-X 05E Series of dual angle/speed sensors. The series features easy mounting in small and narrow spaces with a 5 mm body depth and mounting flanges with metal inserts. The sensors make measurements only 6 mm from edge of product for close-to-wall measurement applications. Vert-X 05E Series sensors measure angles from 0 to 360°, rotational speed and direction with repeatability to 0.1°.