Abstract: Excessive temperatures can lead to accelerated aging and irreversible damage in electric machines. Therefore, real-time temperature monitoring is vital for highly utilized electric machines ...

Abstract: Permanent magnet (PM) machines have been widely adopted due to their advantages of high power density and efficiency. In this article, the further improvement of the power density for the PM ...

Scientists etched working gear trains on a chip, driven solely by photon momentum. The devices could someday power microfluidic pumps, reconfigurable optics, and tiny surgical tools. Efficiency ...