Encoder Selection: Speed Control

A general in depth analysis shows that the highest encoder resolutions are required for very precise speed control. The encoder resolution increases with the square of the demanded speed accuracy.

Forms of Closed Loop Stepper Control

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.

Development of Battery-Free Multi-Rotation Absolute Encoder

In recent years, there have been many demands for equipment with high productivity to have a system that retains positioning information, even after the main power supply is turned off.

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Novotechnik - Vert-X 05E Series of dual angle/speed sensors

Novotechnik - Vert-X 05E Series of dual angle/speed sensors

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°.