Abstract: This article proposes a model-free sliding mode control using dynamic gain time delay estimation (DGTDE) to improve the position tracking performance of permanent magnet linear synchronous ...

You’re in a shoe store trying on the latest iteration of your favorite model when your tried-and-true shoe size doesn’t seem to be that usual Goldilocks-perfect fit. It’s not just in your head. While ...

(CNN) — Health officials in the mid-Atlantic region have recently reported a rise in hand, foot and mouth disease, or HFMD. What is hand, foot and mouth disease, and what causes it? How is it spread?

A passenger in a car has had the fright of his life, after a tiger snake slithered across his feet during a drive on the NSW far south coast. Tanny Parsons was in the car with his friend and a pet dog ...

Abstract: This article proposes a scale-independent adaptive control strategy that allows a quadrotor to rely solely on optic flow output to achieve a soft vertical landing on stationary surfaces.