National Security Journal on MSN

Mach 2 F-14 'Super' Tomcat 21 fighter has a message for the US Navy

Summary and Key Points: The F-14 Super Tomcat 21 (ST21) stands as one of naval aviation’s greatest “what-if” scenarios. -Proposed in the early 1990s as a 21st-century evolution of the iconic F-14, the ...
IEEE

The Nonlinear Variable Pitch Control Strategy for Floating Wind Turbines Based on Time-Disturbance Observers

Abstract: Large-scale floating wind turbine is a strongly nonlinear and strongly coupled system, how to achieve power stability control under the imprecise model and time-varying wind speed ...
IEEE

Comparative Study of Hybrid IPM and SPM Brushless Wound Rotor Vernier Machine for Variable Speed Applications

Abstract: This research examines two types of brushless hybrid vernier machines. One is BL-H-SPMVM utilizing surface permanent magnets and second is BL-H-IPMVM using interior permanent magnets for ...