TY - GEN
T1 - Research on longitudinal static stability for VFSW tailless configuration UAV
AU - Su, Xin Bing
AU - Zhou, Zhou
AU - Shi, Jing Cheng
AU - Wang, Xu
PY - 2014
Y1 - 2014
N2 - The Variable Forward-Swept Wing (VFSW) Tailless configuration UAV can well satisfy multipurpose demands. However, this kind of unconventional morphing aircraft lacks tail, which brings great challenge to stability analysis. The connatural aero-elasticity divergence and the strong aerodynamic coupling as well as many uncertain factors in mechanical environment, give the VFSW Tailless configuration UAV complicated dynamic characteristics. During the process of transformation, the variation of dynamic shape will inevitably lead to the variation about aerodynamic center and barycentre positions of airplane, then make the angle of attack static stability margin variable, and directly influence stability of aircraft. On the basis of introduction of the VFSW Tailless configuration UAV, according to its geometric shape, positions of aerodynamic center and barycentre, in different states with different forward-swept angle, were calculated, so as to obtain variation curve of longitudinal static stability margin, which provided preferences for dynamics analysis, position of barycentre adjustment and design of flight control system (FCS).
AB - The Variable Forward-Swept Wing (VFSW) Tailless configuration UAV can well satisfy multipurpose demands. However, this kind of unconventional morphing aircraft lacks tail, which brings great challenge to stability analysis. The connatural aero-elasticity divergence and the strong aerodynamic coupling as well as many uncertain factors in mechanical environment, give the VFSW Tailless configuration UAV complicated dynamic characteristics. During the process of transformation, the variation of dynamic shape will inevitably lead to the variation about aerodynamic center and barycentre positions of airplane, then make the angle of attack static stability margin variable, and directly influence stability of aircraft. On the basis of introduction of the VFSW Tailless configuration UAV, according to its geometric shape, positions of aerodynamic center and barycentre, in different states with different forward-swept angle, were calculated, so as to obtain variation curve of longitudinal static stability margin, which provided preferences for dynamics analysis, position of barycentre adjustment and design of flight control system (FCS).
KW - Longitudinal
KW - Numerical calculation
KW - Static stability
KW - Unmanned aerial vehicle(UAV)
KW - Variable forward-swept wing(VFSW)
UR - http://www.scopus.com/inward/record.url?scp=84898848208&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/AMM.543-547.348
DO - 10.4028/www.scientific.net/AMM.543-547.348
M3 - 会议稿件
AN - SCOPUS:84898848208
SN - 9783038350606
T3 - Applied Mechanics and Materials
SP - 348
EP - 353
BT - Vehicle, Mechatronics and Information Technologies II
PB - Trans Tech Publications
T2 - International Conference on Vehicle and Mechanical Engineering and Information Technology, VMEIT 2014
Y2 - 19 February 2014 through 20 February 2014
ER -