This paper presents a Lyapunov based controller for a quadrotor Unmanned Aerial Vehicle (UAV) to address the desired trajectory tracking problem. The controller is designed based on the dynamical model of the quadrotor UAV. The quadrotor UAV system can be divided into two subsystems e. https://www.diegojavierfares.com/mega-save-8-tall-Faux-Crystal-Beaded-Candle-Holder-Centerpiece-great-buy/