Abstract: Synchronous machines usually operate at constant speed in power systems. However, there are specific applications, such as the generators used in diesel-electric transmissions or Type 4 wind ...

Variable motorway speed limits have been in place in the United Kingdom on some routes for years now. Despite being controversial in some circles, these have clear benefits for modern motoring, as ...

Electronic variable speed limit signs are now active on I-35 in Fort Worth and U.S. 54 in El Paso, with broader rollout planned. Speeds can be temporarily lowered by up to 10 mph during weather events ...

Speed limits across Texas roads are about to get smarter. In an effort to make highways safer and more responsive to real-time conditions, state officials are beginning a wider rollout of variable ...

Drivers across Texas may soon see speed limits change in real time. Digital signs flashing different speed limits are starting to pop up on Texas highways. They're part of a new initiative in the ...

An example of what variable speed limit signs look like above a highway in Washington. Courtesy of the Washington State Department of Transportation When icy conditions led to a 133-car pileup on ...

Texas drivers, prepare to go with the flow—literally. New variable speed signs are popping up across the state, changing speed limits in real time to keep traffic moving and accidents at bay.

Using variable speed drives on pumps reduces parasitic energy loss, enables proper maintenance and lowers capital costs. This article examines a method for determining the optimal number and speed of ...

I have this uneasy feeling that, in a different life, I was a speedrunner. Not because I'm doing the videogame equivalent of 'I could paint that' at an art exhibit, but because whenever I sit down to ...