Two SpaceX rockets have soared over California so far in June after launching from the Vandenberg Space Force Base, and more ...

June 7 (UPI) -- SpaceX launched SiriusXM's second new satellite into orbit from Florida early Saturday after five delays. The ...

Abstract: In this article, a built-in integrated magnetorheological (MR) fluid brake permanent magnet synchronous motor (PMSM) is presented, which can switch between rotation and brake operation ...

Abstract: A practical secondary frequency control (SFC) strategy for virtual synchronous generator (VSG) with predictable rotor frequency response is proposed in this letter. The relationship between ...