This content is not included in your SAE MOBILUS subscription, or you are not logged in.
Robust Control Design for a Flexible Unmanned Aerial Vehicle
ISSN: 0148-7191, e-ISSN: 2688-3627
Published August 19, 2008 by SAE International in United States
Annotation ability available
This paper aims to derive a comprehensive dynamical model and analysis of a High-Altitude-Long-Endurance (HALE) Unmanned Aerial Vehicles (UAVs). Structure of such an aircraft needs to be lightweight and capable of carrying a substantial payload. For low drag, the aircraft must have high aspect ratio. Moreover, safety factors for these aircraft are not as high as those for manned aircraft. These imply that HALE UAVs are considerably more flexible than manned aircraft. Hence, in the dynamical analysis of such aircraft, a formulation unifying the elastic and rigid body motions of the aircraft must be used. A newly developed theory for the dynamics of maneuvering flexible aircraft is ideally suited for the analysis of such aircraft. The uniqueness of this paper lies in its nonlinear structural model. The equations of motion are obtained by means of the Lagrangian equations in quasicoordinates. A perturbation approach separates the problem into nominal dynamics and perturbation dynamics. The nominal dynamics are used to design desired maneuvers and to determine the corresponding structural deformations. The perturbation dynamics are used to address stability of the aircraft.
CitationTuzcu, I. and Marzocca, P., "Robust Control Design for a Flexible Unmanned Aerial Vehicle," SAE Technical Paper 2008-01-2237, 2008, https://doi.org/10.4271/2008-01-2237.
- EhembergerL. J., DonohueC., and TeetsE. H.Jr., “A Review of Solar-Powered Aircraft Flight Activity at the Pacific Missile Range Test Facility, Kauai, Hawaii, ” 11h AMS Conference on Aviation, Range, and Aerospace Meteorology, Hyannis, MA, United States, 4-8 Oct. 2004.
- TeetsE. H.Jr., DonohueC. J., WrightP. T., and DelFrateJ., “Meteorological Support of the Helios World Record High Altitude Flight to 96, 863 Feet, ” NASA/TM-2002-210727; NAS 1.15:210727; H-2493; 10th Conference on Aviation, Range, and Aerospace Meteorology, Portland, OR, United States, 13-16 May 2002.
- RomeoG., FrullaG., CestinoE., and CorsinoG., “HELIPLAT: Design, Aerodynamic, Structural Analysis of Long-Endurance Solar-Powered Stratospheric Platform, ” Journal of Aircraft, Vol. 41, No. 6, pp. 1505-1520.
- TuzcuI. and MeirovitchL., “Effects of Flexibilityon the Stability of Flying Aircraft, ” ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 127, March 2005, pp. 41-49.
- MeirovitchL., and TuzcuI., April 2004, “Unified Theory for the Dynamics and Control of Maneuvering Flexible Aircraft, ” AIAA Journal, Vol. 42, No. 4, pp. 714-727.
- TuzcuI., “Dynamics and Control of Flexible Aircraft, Ph.D. Dissertation, Virginia Polytechnic Institute and Sate University, Blacksburg, VA, December 2001.
- NayfehA. H. and PaiP. F., Linear and Nonlinear Structural Mechanics, John Wiley & Sons, Hoboken, New Jersey, 2004.
- PatilM. J., HodgesD. H. and CesnikC. E. S., “Nonlinear Aeroelasticity and Flight Dynamics of High-Altitude Long-Endurance Aircraft, ” Journal of Aircraft, Vol. 38, No. 1, 2001, pp. 88-94.