excerpt In this blog, we begin with a simple wooden stick and a rotor, exploring thrust and lift in the easiest way to understand. Step by step, the design evolves adding more motors, changing ...

Abstract: Quadcopter is an important way for the human to explore the physical world. The brain-computer interface (BCI) technology is used to control the quadcopter flight in order to help disabled ...

Abstract: In this study, a feedback linearization model predictive control algorithm is designed for quadcopter trajectory tracking. By applying feedback linearization to the quadcopter nonlinear ...

United's basic economy fare will save you money, yes. But the lower ticket price means you're subject to more restrictions around upgrades, baggage allowances, and seating. That may not sound so bad ...