Step vs. Servo – Selecting the Best

By Dan Jones

Over the many years, there have been many technical papers and articles about which motor is the best. The short and sweet answer is — let’s talk about the application. More recently a number of papers and articles have appeared that compared each motor’s advantages and disadvantages in generic or specific terms. Many times, the methods used to drive and control these motors are not completely described due to the many control schemes available for use. A few articles focus on just the open loop step motor and the closed loop servo motor advantages and disadvantages in a laundry list format. This article is attempting to "drill down" into the reasons why and to describe how it is done.

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Power Transmission Technology Update December 4, 2018
Step vs. Servo – Selecting the Best By Dan Jones Over the many years, there have been many technical papers and articles about which motor is the best. The short and sweet answer is — let’s talk about the application. More recently a number of papers and articles have appeared that compared each motor’s advantages and disadvantages in generic or specific terms. Many times, the methods used to drive and control these motors are not completely described due to the many control schemes available for use. A few articles focus on just the open loop step motor and the closed loop servo motor advantages and disadvantages in a laundry list format. This article is attempting to "drill down" into the reasons why and to describe how it is done. Read More
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