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Conceptual design of flapping-wing micro air vehicles
1School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA.
Bioinspiration & Biomimetics
|April 14, 2012
Summary
This study introduces a new conceptual design process for hovering flapping-wing micro air vehicles (MAVs). It provides analytical expressions for flight endurance and range, aiding future MAV development.
Area of Science:
- Robotics and Mechanical Engineering
- Aerospace Engineering
- Bio-inspired Design
Background:
- Traditional micro air vehicles (MAVs) mimic full-scale aircraft, lacking established design methods for bio-inspired flapping-wing types.
- Conceptual design for non-traditional MAVs, such as those based on insects, requires specialized approaches.
Purpose of the Study:
- To present a novel conceptual design process specifically for hovering flapping-wing vehicles.
- To develop analytical tools for predicting key performance metrics and design constraints.
Main Methods:
- Combined energy-based accounting of propulsion and aerodynamics with a dynamic flapping model.
- Developed analytical expressions for flight endurance, range, and maximum feasible wing size.
- Proposed a new figure-of-merit for wing structural-inertial efficiency.
Main Results:
- Derived simple analytical expressions for flight endurance and range.
- Predicted maximum feasible wing size and body mass for flapping-wing MAVs.
- Identified critical design space restrictions due to finite wing inertia.
Conclusions:
- The proposed conceptual design process offers a framework for developing hovering flapping-wing MAVs.
- The analytical tools and figure-of-merit provide valuable insights for optimizing MAV performance.
- Results guide future designs by highlighting the impact of wing inertia and structural-inertial efficiency.
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