Browsing by Author "Koirala, Kushal Sharma"

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    Design, Fabrication, and Experimental Analysis of Tiltrotor Mechanism
    (I.O.E, 2024-03) Luitel, Kshitij; Koirala, Kushal Sharma; Gurung, Monika; Dahal, Ujjwal; Karki, Ashish
    This paper presents the design and synthesis of a tilt-rotor mechanism for a hybrid UAV that can perform vertical takeoff and landing (VTOL) and fixed-wing flight. The tilt-rotor mechanism allows the orientation of the propulsion system to change from vertical to horizontal or vice versa, enabling the UAV to fly like a helicopter or an airplane. The paper describes the design, mathematical modeling, structural analysis, and fabrication of the mechanism, as well as the design and testing of a test bench and a control system. The paper also evaluates the performance of the mechanism and the system on a bi-copter UAV model and discusses the challenges, limitations, and future enhancements of the project. The paper concludes that the tilt-rotor mechanism is a promising solution for hybrid UAVs that can combine the advantages of both rotorcraft and fixed-wing UAVs.