This article was updated April 11, 2023. It was originally published March 1, 2000. To help engineers and design teams get all the performance possible from servo systems, here are some of the more ...

Stepper motors resemble servo motors in that both types are characterized by an ability to rotate a partial turn and then stop for any interval with or without holding torque. In addition, both motor ...

Blind calculation of horsepower for positioning motors can yield values that seem nonsensical to the uninitiated. It's common to see manufacturers of ac motors publish horsepower ratings for their ...