THESIS
2017
xi, 48 pages : illustrations ; 30 cm
Abstract
This paper presents the design and implementation of a cost-effective, lightweight, yet
power efficient tail-sitter Vertical Take-off and Landing (VTOL) unmanned aerial vehicle (UAV).
The UAV consists of a pair of wings for efficient level flight and four rotors for attitude control.
The aerodynamic and mechanical configurations of the UAV are designed and implemented
from scratch to meet the required power efficiency, and subsequently optimized to enhance the
stability and maneuverability. The developed VTOL UAV has a weight and cost comparable
to a typical quadrotor, while consuming only half the power, as shown by real flight tests. In
addition, it can achieve all key VTOL maneuvers, including vertical take-off, landing, hovering,
cruising and transition. A fully autonomous f...[
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This paper presents the design and implementation of a cost-effective, lightweight, yet
power efficient tail-sitter Vertical Take-off and Landing (VTOL) unmanned aerial vehicle (UAV).
The UAV consists of a pair of wings for efficient level flight and four rotors for attitude control.
The aerodynamic and mechanical configurations of the UAV are designed and implemented
from scratch to meet the required power efficiency, and subsequently optimized to enhance the
stability and maneuverability. The developed VTOL UAV has a weight and cost comparable
to a typical quadrotor, while consuming only half the power, as shown by real flight tests. In
addition, it can achieve all key VTOL maneuvers, including vertical take-off, landing, hovering,
cruising and transition. A fully autonomous flight is achieved with a hierarchical controller.
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