If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

The purchase of a Broadway Limited Imports HO scale Reading Co. class T1 4-8-4 left Chris Russo wanting more — the ability to access the Digital Command Control functions built into the new model.

Even veteran engineers often suffer from a lot of misconceptions about stepper motors and how to drive them. This article will focus on clearing up just a few of these misunderstandings so that ...

A horsepower-rated _____ having a horsepower rating not less than the motor rating shall be permitted to serve as the disconnecting means. Article 430 covers motors, motor circuits and controllers.

The risks to our personal finances—and our very identity—posed by cybersecurity threats were scary enough before the machines started to think for themselves. Now with the emergence of AI into our ...

Figure 1 shows a block diagram of the dynamometer’s architecture. Table 1 describes each of the dynamometer components with the reasons for selection. 1. Shown is a block diagram of dynamometer. The ...

The end of the decade sounds a long way off. No more Rolling Stones gigs. The Cubs could win another World Series. The Tesla Model S will almost officially be a classic car. But in terms of designing, ...

It’s often desirable or even necessary in motor-drive applications to sense the load current for feedback and fault monitoring. While this usually requires adding a discrete low-ohm resistor on the ...

Stepper motors can be configured for unipolar or bipolar drive; each approach has different performance attributes and tradeoffs. The previous part of this article presented the basics of different ...