Abstract: By removing the position sensors from permanent magnet linear synchronous motors (PMLSMs), sensorless control technology can realize applications of PMLSMs in limited space and dusty ...

Abstract: In an effort to make pumped hydropower storage (PHS) technology feasible for regions with a flat topography, recent research shows promising results using a contra-rotating reversible ...

Add Yahoo as a preferred source to see more of our stories on Google. Traffic moves through downtown Los Angeles on the 110 Freeway on Nov. 24. (Robert Gauthier / Los Angeles Times) Californians who ...

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 ...

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.

Long Beach will launch its pilot program for automated speed enforcement next year, city staff shared last week. City Council unanimously approved the implementation of the pilot program along several ...

Add Yahoo as a preferred source to see more of our stories on Google. A snow-covered heat pump in P.E.I. One researchers says that despite being less efficient in extreme cold, heat pumps are worth it ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. A snow-covered heat ...

Heat pumps are a hot topic in the Yukon, especially when it comes to how they work in cold weather. They’re not efficient at temperatures below –25 C, says Christy Love, a researcher with ...