The classic design of a mechanical clock generally consists of a display, a way to store energy, a way to release that energy at regular intervals, and a mechanism to transmit it where it needs to ...

Abstract: Wave-induced ship motions pose great challenges to the design of control systems for offshore cranes, especially with double-pendulum effect and unknown system dynamics. In this paper, a ...

Academic pressure has become so intense that even preschoolers are taking private extracurricular classes, raising worries ...

Experts say administration has launched ‘war on all fronts’ to undo environmental rules – here are the key areas at risk ...

The Doomsday Clock is a symbolic clock designed to warn people about how close humanity may be to causing a global catastrophe through its own actions. Created in 1947 by the Bulletin of the Atomic ...

Humanity continues to move closer to catastrophe, scientists said Tuesday, Jan. 27. The human race is at its closest point yet to destroying itself, according to the reset of the ominous but symbolic ...

Abstract: This paper studies the safety-critical control of a class of underactuated systems, with a focus on a wheeled inverted pendulum as a case study. A safety-critical controller is desired to ...