Design and Implementation of an Optimal Controller for Ducted Fan

چکیده مقاله

Vertical take-off and landing (VTOL) unmanned aircrafts have many applications due to their floating capability, their ability in vertical take-off and landing, and flying in limited areas. Due to the fact that providing a safe flight without causing any damages whether to itself or its surrounding environment is very important for this vehicle, a particular kind of VTOL aircraft is presented in this article which satisfies the above-mentioned requirements. To increase safety, a cylindrical chamber called duct is used around its propellers. This enhances the efficiency of the system while reducing losses, increasing the thrust, decreasing noises, and improving the safety of the aircraft and its surrounding area. Moreover, aerodynamic characteristics of the aircraft are modified. This vehicle is applied in indoor environments. In this research, first, aerodynamical and mechanical design of a kind of VTOL aircrafts called ducted fan is accomplished. Then, a controller is designed and the simulations results are given. Finally, the proposed scheme is improved and implemented on which navigation and control systems are installed, and many practical experiments are performed

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