[Frank Herrmann] had an interesting idea to turn a geared DC motor into a servo motor assembly ... This project is part of a larger goal to make a complete 3D printer based around these ...

Usually, when you want a servo motor, you simply buy one already made. But if you need something unusual, you can turn any DC motor into a ... [Dejan] wanted to make the board as small as possible ...

DC servomotors are DC motors that incorporate encoders and are used with controllers for providing feedback and closed-loop control. Specifically, servomotors provide precise motion and position ...

The book also compares the two technologies, AC and DC, and provides questions and issues to review when making any drive technology ... brush DC servo drives, DC drives, SCR DC drives, stepper drives ...