EDN

Sine/Cosine-to-Digital Conversion: Methods and Design Challenges

Optical or magnetic sensors for position and angle sensing in motion control systems generally provide sine and cosine signals for conversion. The 90° phase shift between sine and cosine allows ...
EDN

Determining the angle resolution of all-digital PLL-based resolver-to-digital converters

A resolver is a sensor that estimates the angle of a rotating shaft, such as the shaft of an electrical motor used in automotive traction inverter applications. To obtain a digital representation of ...
Electronic Design

Dual Die, Hall-Effect Angle Sensor ICs for Motor Position Applications

(Image courtesy of Allegro Microsystems). Allegro MicroSystems recently introduced a new family of contact-less, Hall-effect-based magnetic sensor ICs for high speed motor position sensing ...
Electronic Design

Magnetic Angle Position Sensors Elicit Efficient, Energy-Saving Motor Control

This file type includes high-resolution graphics and schematics when applicable. In the seemingly endless quest for higher motor performance and improved system cost efficiencies, motor manufacturers ...