| Summary: | 碩士 === 逢甲大學 === 航太與系統工程學系 === 105 === Recently, the increasing demand of the quadrotor in civil and military applications has foster the development of quadrotor. The quadrotor, consisting of a frame with four rotors placed in a cross symmetric configuration, provides the hovering capability, vertically take-off and landing capability and high maneuverability. Through changing the pitch angle and angular velocity of the four motors, the altitude and velocity of the quadrotors can be appropriately controlled to meet the flight control demand and the mission requirements.
This thesis aims to investigate the effect of the rotor blade design on the lift and drag force of the quadrotor. The SolidWorks software is adopted to construct the 3D model of the rotor blade system. Subsequently, the model is imported into ANSYS CFX software to perform the dynamic simulation on the rotor blade system. Finally, the optimal pitch angle of rotor blade is determined through the curve fitting and derivative-based optimization technique.
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