Open Access Open Access  Restricted Access Subscription Access

Aeroservoelastic Modeling and Analysis of High Aspect Ratio UAV

Zhi Xu

Abstract


This paper analyzes the aeroservoelastic coupling system dynamics model of high aspect ratio UAV based on branch mode method and quasi-steady aerodynamic theory, then design controller to improve the aircraft flight stability. The classical frequency method is used in analyzing the aeroelastic effect on the servo control system based on the intrinsic mode of the fuselage and the wing. The simulation results show that the stability margin is reduced due to the aeroelastic effect and frequency response peaks exist in the high frequency part. By control system correction, the flight control system of the aircraft meeting the requirements of the frequency domain indicator, and eliminating high frequency noise signals.

Full Text:

PDF

References


Zhang Chen-an, Ye Zheng-yin, “Aeroservoelastic Analysis for Supersonic and Hypersonic Missiles,” 45th AIAA Aerospace Sciences Meeting and Exhibit, AIAA 2007-1073，2007, pp. 12955~12960

Ruxandra Botez, Iulian Cotoi and Alexandre Doin, “Method validation for aeroservoelastic analysis,” 43rd AIAA/ASME/ASCE/AHS/ASC structures, structural dynamics and materials conference, AIAA 2002-1481, 2002. pp 2238~2248

Boris Moulin, Moshe Idan and Mordechay Karpel, “Aeroservoelastic structural and control optimization using robust design schemes,” Journal of Guidance, Control and Dynamics, 2002,25(1), pp 152~159．

Yuan Jian-ping, “Research on flexible aircraft flight dynamic and control,” The Chinese society of astronautics, 1995

WANG Zheng, ZHAO Yu-shan and SHI Peng, “Aeroservoelastic analysis of elastic aircraft ,” Flight Dynamic, 2012, 30(003), pp 233-237

Fan Ze-wen, “Aeroservoelastic stability analysis of missile,” Northwestern Polytechnical University, 2005

Xu Yan-wan, “Control system,” China Astronautic Publishing House, 1991

Li Xin-guo, Fang Qun, “Winged missile flight dynamic,” Xi'an. Northwestern Polytechnical University, 2004




DOI: http://dx.doi.org/10.21535%2FProICIUS.2014.v10.270

Refbacks

  • There are currently no refbacks.