Abstract: This paper presents the design, analysis and control of an original low speed and high torque five-phase external rotor permanent magnet synchronous machine (PMSM) applied for the direct ...
For the right players, low-spin drivers can maximize distance and help golfers control the ball more effectively. These models do it best.
How NASA used the F-104 Starfighter's razor-thin wing to explore supersonic handling, shuttle approaches, and X-15 support.