This paper addresses the aerodynamic modeling. observer-based state-feedback robust control and sensor fault detection for a laboratory ducted coaxial-rotor UAV (DCUAV). First. by introducing the main model elements of this novel unmanned vehicle. https://www.diegojavierfares.com/best-price-Electro-Mech-LX174-Ten-Inning-Baseball-Scoreboards-special-buy/