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Phugoid dynamic characteristic of hypersonic gliding vehicles

XiaoQing Chen, ZhongXi Hou, JianXia Liu, XiaoQian Chen
2011 Science China Information Sciences  
Phugoid dynamic characteristic of hypersonic gliding vehicles.  ...  This paper focuses on the phugoid dynamic characteristic of hypersonic gliding vehicle.  ...  Acknowledgements This work was supported by the National Natural Science Foundation of China (Grant Nos. 90916016, 50975280), and Hunan Provincial Innovation Foundation for Postgraduate.  ... 
doi:10.1007/s11432-011-4196-9 fatcat:6qq6so5jt5bsjlnkls4jwmzaei

Control strategy for maximizing reconnaissance range of hypersonic cruise vehicles

1992 Journal of Aircraft  
Appendix: Hypersonic Phugoid Analysis The hypersonic phugoid may be derived from the governing equations of motion by applying linear approximations, as KAUFFMAN ET AL.: HYPERSONIC CRUISE VEHICLES illustrated  ...  '* The characteristic equation for the hypersonic phugoid motion is found to be ods Cee ~ vi/(, _ Vi\ - 75 + B(s Vi) +24 ph 1 V2 =0 (Al) vi g T= (A2) This is an equation of second order with the following  ... 
doi:10.2514/3.46170 fatcat:nchjpm7zvnffvn5fib6c5fg7ze

Phugoid oscillations in optimal reentry trajectories

N.X. Vinh, J.S. Chern, C.F. Lin
1981 Acta Astronautica  
Ahstraet--A major problem with operations of lifting reentry vehicle having an aft center-of-gravity location due to large engine mass at the rear is the required hypersonic trim to fight the desired trajectory  ...  For the maximum-range problem, phugoid oscillation along an optimal trajectory is less severe as compared to a glide with maximum lift-to-drag ratio.  ...  Phugoid oscillation As seen in Fig. 8 , a typical characteristic of maximum-range glide is the oscillation in the altitude.  ... 
doi:10.1016/0094-5765(81)90001-1 fatcat:3636grfpi5bgrdbmkf53xwaks4

Skip Re-Entry Trajectory Detection and Guidance for Maneuvering Vehicles

Hongqiang Sun, Shuguang Zhang
2020 Sensors  
The re-entry trajectory of maneuvering vehicles with medium to high hypersonic lift-to-drag ratios is generally planned using quasi-equilibrium flight conditions known from Space Shuttles.  ...  Firstly, the oscillation frequency characteristics of the linearized re-entry motion equation of a vehicle are analyzed, and an approximate analytical relationship is constructed for skip altitude estimation  ...  Conflicts of Interest: We declare that there is no conflict of interest regarding the publication of this paper. Sensors 2020, 20, 2976  ... 
doi:10.3390/s20102976 pmid:32456349 fatcat:ojewcdj6pjerxccnd273nryxom

Page 77 of Journal of Spacecraft and Rockets Vol. 10, Issue 1 [page]

1973 Journal of Spacecraft and Rockets  
Gliding trajectories from high to low altitude are found to be sensitive to phugoid mode excitation, and the dynamic pressure peak which occurs prior to the terminal flight condition may be excessive.  ...  Index categories: Entry Vehicle Mission Studies and Flight Mechanics; Entry Vehicle Dynamics and Control; Spacecraft Naviga- tion, Guidance and Flight-Path Control Systems. * Group Leader.  ... 

Optimal Guidance for the Space Shuttle Transition

1974 Journal of Spacecraft and Rockets  
This dynamic pressure penalty provides damping of phugoid oscillations through a direct feedback of kinetic-energy rate to angle of attack.  ...  ., “Aerodynamic Stability and Control Characteristics of the NASA/MSC 0.006 Scale 040-A Delta Wing Orbiter,” CR-120015, Nov. 1971, NASA * Bellman, R. and Kalaba, R., “Dynamic Programming and Adaptive Processes  ... 
doi:10.2514/3.62034 fatcat:qvtoem6l2nhblfhvzyi3ym67ky

Adaptive Entry Guidance for Hypersonic Gliding Vehicles Using Analytic Feedback Control

Xunliang Yan, Peichen Wang, Shaokang Xu, Shumei Wang, Hao Jiang, Xiangwei Bu
2020 International Journal of Aerospace Engineering  
This paper presents an adaptive, simple, and effective guidance approach for hypersonic entry vehicles with high lift-to-drag (L/D) ratios (e.g., hypersonic gliding vehicles).  ...  glide condition (QEGC).  ...  Introduction Atmosphere entry flight is a critical phase of operation for the unpowered lifting hypersonic flight vehicles such as reusable launch vehicles (RLVs) and hypersonic gliding vehicles (HGVs)  ... 
doi:10.1155/2020/8874251 fatcat:ftrpd7luovadzclxrsvqivu7cy

Optimal Guidance for the Space Shuttle Transition

Robert F. Stengel
2003 Journal of Spacecraft and Rockets  
In its ultimate form, "E-Guidance" obtains energy balance (including dynamic-pressurerate damping) and path length control by angle-of-attack modulation and crossrange control by roll angle modulation.  ...  A guidance method for the space shuttle's transition from hypersonic entry to subsonic cruising flight is presented.  ...  The transition phase begins in the hypersonic regime (M = 8.26, H = 150, 000 ft, y = 0 ) and ends in a subsonic trim glide (M = .9, H = 40, 000 ft, y = -18 0).  ... 
doi:10.2514/2.7043 fatcat:ztlnfrd3w5gv7bwaehtuhl773i

Strategies for Control of the Space Shuttle Transition

1973 Journal of Spacecraft and Rockets  
the boundary of in- stability at hypersonic M.  ...  Gliding trajectories from high to low altitude are found to be sensitive to phugoid mode excitation, and the dynamic pressure peak which occurs prior to the terminal flight condition may be excessive.  ... 
doi:10.2514/3.61849 fatcat:gzfocnavm5hdbfbldefoku4phe

Approximate Performance of Periodic Hypersonic Cruise Trajectories for Global Reach

Preston H. Carter, Darryll J. Pines, Lael Voneggers Rudd
1998 Journal of Aircraft  
Pealiistic R skip es: istic bie surface of a lake. At high speed, a lifting body or waverider class vehicle will skip in and out of the atmosphere because of lightly damped phugoid oscillation.  ...  ., ‘Periodic Optimal Cruise of an Atmospheric Vehicle,’’ Journal of Guidance, Control, and Dynamics, Vol. 8, No. 1, 1985, pp. 31-38. *Chuang, C.-H., and Speyer, J.  ... 
doi:10.2514/2.2405 fatcat:qyk33mgmwjhkhfgpzhkv6vxdoa

Control-relevant modeling of hypersonic vehicles

J. M. Vogel, A. G. Kelkar, G. Inger, C. Whitmer, A. Sidlinger, A. Rodriguez
2009 2009 American Control Conference  
The design of such vehicles is a very interdisciplinary and highly complex problem.  ...  Scramjet powered hypersonic vehicles represent the next critical step toward achieving NASA's vision for Highly Reliable Reusable Launch Systems (HRRLS), affordable space access, planetary re-entry systems  ...  Such capability has to span across all disciplines due to multidisciplinary nature of hypersonic vehicle dynamics.  ... 
doi:10.1109/acc.2009.5160682 dblp:conf/amcc/VogelKIWSR09 fatcat:y35wxvm2fjeyxbobkbsyrphsya

Aerodynamic requirements for flare and landing of low-L/D glide vehicles

1968 Journal of Spacecraft and Rockets  
This paper examines the flare and land- of tively ing dynamics of glide (unpowered) vehicles having subsonic ds P = phugoid period, sec L/D’s in the 1 to 8 range in order to define the effects of or 8  ...  The flare and landing performance of glide (unpowered) vehicles with low lift-to-drag ratios (L/D) is investigated analytically to determine the influence on landing characteristics of such factors as  ... 
doi:10.2514/3.29388 fatcat:tw72gcttrngbvanr5644u7zjii

Autonomous gliding entry guidance with geographic constraints

Jie Guo, Xuzhong Wu, Shengjing Tang
2015 Chinese Journal of Aeronautics  
Results show that the proposed entry guidance approach can adapt to different entry missions and is able to make the vehicle reach the prescribed target point precisely in spite of geographic constraints  ...  Two-reverse mode is utilized to satisfy waypoint constraints and dynamic heading error corridor is utilized to satisfy no-fly zone constraints.  ...  Acknowledgement This study was supported by National Natural Science Foundation of China (No. 11202024).  ... 
doi:10.1016/j.cja.2015.07.009 fatcat:mahf6q6jyjgq7l4kkpa3vo3vgm

Aerothermodynamic Environments and Thermal Protection for a Wave-Rider Second Stage

David Manor, Kei Y. Lau, Donald B. Johnson
2005 Journal of Spacecraft and Rockets  
The desired reentry vehicle missions require long atmospheric glides.  ...  The process, tools, and results of an analysis of the hypersonic thermal protection system design requirements for this second stage vehicle are addressed.  ... 
doi:10.2514/1.5728 fatcat:jtzd5ihl35gwbmjecl4mh2lyma

Dynamics of hang-gliders

1991 Journal of Guidance Control and Dynamics  
8) (—) Fig.5 Phugoid root locus plot; effect of trim.  ...  As a first step in the dynamic analysis, the stability characteristics have been shown to de- pend heavily on the trimmed flight conditions due to the variable position of the c.g. that is necessary for  ... 
doi:10.2514/3.20769 fatcat:nj7ihwf4qrfbpop6mdjxagj7by
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