National Security Journal on MSN

$5,500,000,000 Navy Aircraft Carrier ‘Sunk’ by $80,000,000 Diesel Sub

In a 1981 NATO exercise, a Canadian Oberon-class diesel-electric submarine reportedly slipped past a carrier screen and “sank ...
Alistair Davies Golf on MSN

How to Add Serious Distance With 3 Simple Speed Drills

This video shares three powerful drills designed to instantly boost your clubhead speed and add distance to every shot. It ...

Long-Distance Putting Secrets: How to Find Your Touch from 30 Feet

Lag-putting is such an important part of success on the greens, so this long-distance drill helps you feel the length of your ...
IEEE

Finite-Time Fast Integral Terminal Sliding-Mode Speed Control Method With Disturbance Observer for SPMSM

Abstract: To enhance the dynamic performance and disturbance rejection of the surface-mounted permanent magnet synchronous motor (PMSM) speed control system, a new sliding-mode controller is proposed ...