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Optimal Design and Analysis of UAV Swan Fuselage

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Abstract:

Eli Ltd. and Tallinn University of Technology (TUT) Department of Mechatronics are currently performing studies in order to develop a mini-class universal purpose unmanned aircraft [1,2]. The paper focuses on strength calculations and weight vs. strength optimization of the fuselage of this developed UAV system. To develop a strong but lightweight UAV fuselage, advanced computer modeling and finite element structure analysis are used as virtual prototyping tools for the optimization of the fuselage at early design stage and through the production period to improve the design [3]. Design optimization is applied to minimize the maximum stresses within the fuselage, subject to strain constraint in conjunction with both geometry and choice of appropriate fibre orientations and stacking sequence as design variables and also material parameters. The fuselage for the UAV plane was designed and manufactured using E-Glass/Epoxy and High modulus (HM) carbon/Epoxy composites. In this paper ANSYS software has been successfully applied to minimize the weight of the fuselage and increase the UAV fuselage strength. The results show how the fuselage design could be improved with the help of finite element method analysis and provide guidelines for the structure and material design for the composite based UAV SWAN fuselage.

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Info:

Periodical:

Solid State Phenomena (Volume 113)

Pages:

91-96

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.113.91

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Online since:

June 2006

Authors:

Priit Leomar, Mart Tamre, Tõnis Riibe, Tõnu Vaher, Toomas Haggi

Keywords:

ANSYS, Design, Fiber-Glass, Finite Element Model (FEM), Flight, Landing, Strength, Takeoff, UAV

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Сopyright:

© 2006 Trans Tech Publications Ltd. All Rights Reserved

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References

[1] Company Materials from Eli Ltd (2004).

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[2] North Atlantic Treaty Organisation: Applications, Concepts and Technologies for Future Tactical UAVs (5-6 June Tallinn RTO Lecture Series, 2003).

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[3] K. T. Ulrich and S. D. Eppinger: Product design and development (2nd Edition, Mcgraw- Hill, New York, 2000).

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[4] Office of the Secretary of Defence: Unmanned Aerial Vehicles Roadmap (December 2002).

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[5] C. A. Harper: Handbook of Materials for Product Design (Third Edition, McGraw-Hill Book Co. 2001).

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[6] ISO 527 (1997).

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[7] S. Moaveni: Finite Element Analysis: Theory and Application with ANSYS (Prentice-Hall, Upper Saddle River, NJ, 1999), p.527.

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