Zobrazeno 1 - 10
of 255
pro vyhledávání: '"Naigang, Cui"'
Publikováno v:
Case Studies in Thermal Engineering, Vol 59, Iss , Pp 104490- (2024)
Hydrogen fueled parallel wall-jet combustion is considered to be one of the most promising drag reduction technologies in supersonic combustors, researchers mainly focus on its drag reduction mechanism, while balancing its combustion efficiency and d
Externí odkaz:
https://doaj.org/article/e4e74b589a1a4553838244890e452eef
Publikováno v:
Aerospace, Vol 11, Iss 9, p 785 (2024)
Due to the strong nonlinearity in the reentry trajectory planning problem for reusable launch vehicles (RLVs), the scale of the problem after high-precision discretization can become significantly large, and the non-convex path constraints are prone
Externí odkaz:
https://doaj.org/article/e16c44e484854ab3b399c1e92d5528a7
Publikováno v:
Aerospace, Vol 11, Iss 6, p 499 (2024)
To meet the time-coordinated requirement of hypersonic gliding vehicles to reach a single target simultaneously in the presence of no-fly-zone constraints, this paper proposes a time-coordinated A* path planning method considering multiple constraint
Externí odkaz:
https://doaj.org/article/4c504c9e53e543f88d415b3a2f3c6071
Publikováno v:
Case Studies in Thermal Engineering, Vol 43, Iss , Pp 102822- (2023)
Hydrocarbon fueled supersonic film is considered to be one of the most effective methods for achieving thermal protection and drag reduction meanwhile in scramjet combustors. In this paper, the effects of film and mainstream inflow parameters on ther
Externí odkaz:
https://doaj.org/article/7f7f3daa6ceb42b0938f402076a92f41
Publikováno v:
IEEE Access, Vol 8, Pp 118853-118868 (2020)
This paper develops a novel nonlinear adaptive robust filter called the multiple-step randomly delayed variational Bayesian adaptive high-degree cubature Huber-based filter (MRD-VBAHCHF) for a class of nonlinear stochastic systems whose measurements
Externí odkaz:
https://doaj.org/article/3504a720888841d6a598a714eb827116
Publikováno v:
IEEE Access, Vol 8, Pp 73268-73277 (2020)
This paper addresses the problem of the fixed-time cooperative guidance (FxTCG) law for multi-missiles against a single maneuvering target with constraints of both the interception time and the line-of-sight (LOS) angle. Firstly, by utilizing the con
Externí odkaz:
https://doaj.org/article/37bcd46283454d8bb1145091e1469f52
Publikováno v:
International Journal of Aerospace Engineering, Vol 2022 (2022)
During emergency return or mission change, the boost-glide vehicle needs to meet the nonregular reachable area constraints (NRACs). Therefore, this paper introduced NRACs into boost-phase trajectory planning to extend the maneuvering range and enhanc
Externí odkaz:
https://doaj.org/article/3ca1c4d99c1b441f92549dea70de8a92
Publikováno v:
Applied Sciences, Vol 12, Iss 19, p 10153 (2022)
This paper presents a novel predefined-time nonsingular tracking control system for a vertical-takeoff horizontal-landing (VTHL) reusable launch vehicle (RLV) in the face of parameter uncertainties, model couplings and external disturbances. Firstly,
Externí odkaz:
https://doaj.org/article/25e056b2e4004822821efbd8909e3895
Publikováno v:
IEEE Access, Vol 7, Pp 37371-37380 (2019)
In this paper, an improved extended state observer (ESO) based on sigmoid function and a finite-time convergence attitude controller are designed for reusable launch vehicle (RLV) in the re-entry phase. First, a control-oriented model (COM) of the RL
Externí odkaz:
https://doaj.org/article/1a2f01a398204d3d9eea247792a8ab16
Publikováno v:
Aerospace, Vol 9, Iss 7, p 376 (2022)
The space elevator system is a space tether system used to solve low-cost space transportation. Its high efficiency, large load and other characteristics have broad application prospects in the aerospace field. The stability analysis is the foundatio
Externí odkaz:
https://doaj.org/article/dcc0e83970cb4e1bacf91060ded2ba52