Design and Construction of Unmanned Quadrotor Hovercraft for Coastal Observations
|Jaewoo Jin1, Dr. Joonhwan Shim2
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In this paper, we proposed an unmanned quadrotor hovercraft combining an unmanned quadrotor vehicle which has stable motion control and hovering function with a hovercraft which are able to operate on water and on the ground. Because the proposed aircraft has merits of quadrotor UAV(unmanned aircraft vehicle) and hovercraft, the unmanned system can effectively observe and manage fishfarm and mud flat in coastal region with low-cost and short-term. The system applied mode selector to the control board to select flight modes of quadrotor and hovercraft. And we did the vertical flight test of quadrotor and the horizontal flight test of hovercraft. We analyzed the characteristics of roll, pitch, yaw data obtained from four sensors to know influence by disturbance in hovering flight and the characteristics of X-Y position data and altitude data obtained from GPS in hovering flight. From this analysis, we expect that the proposed unmanned vehicle has the possibility of application of coastal observations because it showed stable motion and flight control.