Flight dynamic investigations of flying wing with winglet configured unmanned aerial vehicle

Kapseong Ro

doi:10.1117/12.665194

22 May 2006 Flight dynamic investigations of flying wing with winglet configured unmanned aerial vehicle

Kapseong Ro

Proceedings Volume 6228, Modeling and Simulation for Military Applications; 62280L (2006) https://doi.org/10.1117/12.665194
Event: Defense and Security Symposium, 2006, Orlando (Kissimmee), Florida, United States

Abstract

A swept wing tailless vehicle platform is well known in the radio control (RC) and sailing aircraft community for excellent spiral stability during soaring or thermaling, while exhibiting no Dutch roll behavior at high speed. When an unmanned aerial vehicle (UAV) is subjected to fly a mission in a rugged mountainous terrain where air current or thermal up-drift is frequently present, this is great aerodynamic benefit over the conventional cross-tailed aircraft which requires careful balance between lateral and directional stability. Such dynamic characteristics can be studied through vehicle dynamic modeling and simulation, but it requires configuration aerodynamic data through wind tunnel experiments. Obtaining such data is very costly and time consuming, and it is not feasible especially for low cost and dispensable UAVs. On the other hand, the vehicle autonomy is quite demanding which requires substantial understanding of aircraft dynamic characteristics. In this study, flight dynamics of an UAV platform based on flying wing with a large winglet was investigated through analytical modeling and numerical simulation. Flight dynamic modeling software and experimental formulae were used to obtain essential configuration aerodynamic characteristics, and linear flight dynamic analysis was carried out to understand the effect of wing sweep angle and winglet size on the vehicle dynamic characteristics.

Citation Download Citation

Kapseong Ro "Flight dynamic investigations of flying wing with winglet configured unmanned aerial vehicle", Proc. SPIE 6228, Modeling and Simulation for Military Applications, 62280L (22 May 2006); https://doi.org/10.1117/12.665194

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KEYWORDS

Unmanned aerial vehicles

Aerodynamics

Scanners

Modeling and simulation

Motion analysis

Numerical simulations

Control systems

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