全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

考虑弹性影响的乘波体飞行动力学特性

, PP. 1306-1310

Full-Text   Cite this paper   Add to My Lib

Abstract:

针对典型的吸气式乘波体构型高超声速飞行器,研究了结构弹性对纵向静态特性和飞行动力学特性的影响.使用当地流活塞理论给出了高超声速非定常气动力模型,并结合简化的超燃冲压发动机模型及弹性机体结构模型,建立了考虑气动/结构/推进耦合的飞行器非线性纵向动力学模型.基于该模型分析了机体弯曲刚度变化对飞行器定常平飞配平参数、飞行包线以及动力学系统开环零极点的影响.结果表明机体结构刚度降低将使配平升阻比减小,动稳定性变差,并且当其低于某一临界值时,升降舵配平特性将由正操纵变为反操纵.

References

[1]  Fidan B,Mirmirani M,Ioannou P.Flight dynamics and control of air-breathing hypersonic vehicles:review and new Directions .AIAA-2003-708,2003
[2]  Cockrell C E,Engelund W C.Integrated aeropropulsive computational fluid dynamics methodology for the hyper-X flight experiment[J].Journal of Spacecraft and Rockets,2001,38(6):836-843
[3]  黄喜元,王青,董朝阳.基于动态逆的高超声速飞行器鲁棒自适应控制[J].北京航空航天大学学报,2011,37(5):560-563 Huang Xiyuan,Wang Qing,Dong Chaoyang.Robust adaptive control for hypersonic vehicle based on dynamic inversion[J].Journal of Beijing University of Aeronautics and Astronautics,2011,37(5):560-563(in Chinese)
[4]  Heeg J,Zeiler T A,Pototzky AS,et al.Aerothermoelastic analysis of a NASP demonstrator model .NASA-TM-109007,1993
[5]  Clark A D,Mirmirani M D,Wu C,et al.An aero-propulsion integrated elastic model of a generic airbreathing hypersonic vehicle .AIAA-2006-6560,2006
[6]  Chavez F R,Schmidt D K.Analytical Aeropropulsive/Aeroelastic hypersonic vehicle model with dynamic analysis[J].AIAA Journal of Guidance,Control,and Dynamics,1994,17(6):1308-1319
[7]  Bolender M A,Doman D B.Nonlinear longitudinal dynamical model of an air-Breathing hypersonic vehicle[J].Journal of Spacecraft and Rockets,2007,44(2):374-387
[8]  方振平,陈万春,张曙光.航空飞行器飞行动力学[M].北京:北京航空航天大学出版社,2005:219-220 Fang Zhenping,Chen Wanchun,Zhang Shuguang.Aircraft flight dynamics[M].Beijing:Beihang University Press,2005:219-220(in Chinese)
[9]  McNamara J J,Crowell A R,Friedmann P R,et al.Approximate modeling of unsteady aerodynamics for hypersonic aeroelasticity[J].Joural of Aircraft,2010,47(6):1932-1945
[10]  Anderson J D.Modern compressible flow[M].2nd ed.New York:McGraw-Hill College,1995:77-91
[11]  方振平,陈万春,张曙光.航空飞行器飞行动力学[M].北京:北京航空航天大学出版社,2005:219-220 Fang Zhenping,Chen Wanchun,Zhang Shuguang.Aircraft flight dynamics[M].Beijing:Beihang University Press,2005:219-220(in Chinese)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133