Fuel optimal low thrust rendezvous with outer planets via gravity assist

Guo, Tieding; Jiang, Fanghua; Baoyin, Hexi

doi:10.1007/s11433-011-4291-3

Cited by 16 publications

(6 citation statements)

References 16 publications

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“…Solar sails are not propellantconstrained, and the effect of the solar radiation pressure on a large surface can be modelled as producing a low-thrust acceleration [7,8]. The combination of low-thrust propulsion with gravity assists is among the most promising techniques for deep space explorations, which can be utilized to save fuel and shorten the flight time [9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Survey of Direct Transcription for Low-Thrust Space Trajectory Optimization with Applications

Topputo

Zhang

2014

Abstract and Applied Analysis

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Space trajectory design is usually addressed as an optimal control problem. Although it relies on the classic theory of optimal control, this branch possesses some peculiarities that led to the development of ad hoc techniques, which can be grouped into two categories: direct and indirect methods. This paper gives an overview of the principal techniques belonging to the direct methods. The technique known as “direct transcription and collocation” is illustrated by considering Hermite-Simpson, high-order Gauss-Lobatto, and pseudospectral methods. Practical examples are given, and several hints to improve efficiency and robustness are implemented.

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Section: Introductionmentioning

confidence: 99%

Survey of Direct Transcription for Low-Thrust Space Trajectory Optimization with Applications

Topputo

Zhang

2014

Abstract and Applied Analysis

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“…The wing tip vortex structure behind an airfoil with flaps at the tip of the aircraft has been studied by simulation and experimental work [33]. For the discovering plan on the Moon and to the remote planets, some numerical and theoretical progress has been made related to the design and optimization of a trajectory for Moon departure Near Earth Asteroid exploration [34], and fuel optimal low thrust rendezvous with outer planets via gravity assist [35]. For launching the manned space flight, facilities were also developed for the astronaut mass measurement using linear acceleration method and the effect Figure 6 Simulation result of the crack growth path [27].…”

Section: The Theory and Simulation Work On Aerospace Engineering At Hmentioning

confidence: 99%

Recent research progress in computational solid mechanics

Zhuang

Maitireyimu

2012

Chin. Sci. Bull.

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Computational mechanics has had a profound impact on science and technology over the past five decades. It has numerically transformed much of the classical theory models into practical tools for predicting and understanding the complex engineering and science system. A short review is given in this paper on some recent progress in computational solid mechanics at multi-scales.computational solid mechanics, extended finite element method, molecule dynamic, multi-scales Citation:Zhuang Z, Maitireyium M. Recent research progress in computational solid mechanics. Chin Sci Bull, 2012Bull, , 57: 46834688, doi: 10.1007 Computational mechanics has had a profound impact on science and technology over the past five decades. It has numerically transformed much of the classical Newtonian theory into practical tools for predicting and understanding the complex engineering and science system, which have some limitations using the classic analytical solutions. Finite element methodology (FEM), which is one of the most powerful computation tools, has been widely used in the simulation-based engineering and science. There are a number of methods based on FEM dealing with the problem of material behaviors and structural mechanics, for example, damage and fracture. Since the limitation of FEM is in the continuum problem ranging from micro-meter to macro scales, the molecule dynamic (MD) computation is used at nano-scale research. A short review is given in this paper on the recent progress in computational solid mechanics related to length scales. MD simulation at nano-scaleThe carbon nano-tube (CNT) as a representative nano-scale material was invented twenty years ago. Its material behavior and mechanics has been interested by many researchers and engineers. The investigations were carried out from the aspects of theory, experiment and simulation. Since it is discrete at atomic length, the MD method is the best tool in the numerical analysis. Another purpose using MD simulation is to provide the failure criterion for dislocation initiation in the crystals, which can link the scales from nano-meter to micron. The minimum energy principle for the dislocation nucleation or initiation was predicted for inhomogeneous atomic system [1]. The simulation results illustrated that the thin film is easily nucleated on the surface because the atomic bonds lose. Based on MD simulation at nano-size and theoretical analysis, an investigation of the combined size and rate effects on the mechanical responses of faced cubic crystal (FCC) metals has been made to develop a hyper-surface (Figure 1) crossing the length scales [2]. The high strength and hard toughness properties of crystalline solid were intensively investigated at sub-micron and nanoscales. In these scales, the forms of defects in a crystal material are dislocation and grain boundary. A majority of research papers were focused on the dislocation nucleation and the interactions between dislocation and grain boundary [3]. The yield strength of perfect crystal depends on dislocation nu...

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“…Nowadays terrestrial planets, for example, Mars, have become focuses of space missions. Mars can offer gravity assist to the probes with the destinations of outer objects such as Jupiter (Jiang et al 2012;Guo et al 2011). Stable orbits around terrestrial planets, such as frozen orbits and Sun-synchronous orbits, can provide accurate, reliable, and efficient terrestrial planets' surface mapping, which will help us to facilitate selection of the target planets' landing sites.…”

Section: Introductionmentioning

confidence: 99%

Extension of frozen orbits and Sun-synchronous orbits around terrestrial planets using continuous low-thrust propulsion

Jiang

2015

Astrophys Space Sci

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Frozen orbits and Sun-synchronous orbits are useful in exploration of terrestrial planets' surface and atmosphere with a view to future human exploration. This work therefore develops novel orbits around terrestrial planets using continuous low-thrust propulsion to enable one new and unique investigations of the planets. This paper considers the use of continuous acceleration by solar electric propulsion, to achieve artificial frozen orbits and artificial Sun-synchronous orbits around terrestrial planets. These artificial orbits are similar to natural frozen orbits and Sunsynchronous orbits around Mercury, Venus, the Earth, and Mars, and the orbital parameters can be designed arbitrarily with the help of continuous low-thrust control. The control strategies to achieve the artificial orbits take into account J 2 , J 3 , and J 4 perturbations of terrestrial planets. It is proved that the control strategies minimize characteristic velocity. Relevant formulas are derived, and numerical results are presented. For the natural frozen orbits, the arguments of periapsis are about 270°for Mercury, Venus, and Mars, whereas about 90°for the Earth. By exerting both radial and transverse thrusts simulation shows that the control acceleration and characteristic velocity of the artificial frozen orbit around Mercury are the smallest among these plants. The characteristic velocity within one orbital period for Mercury is only 0.0089 m/s. The natural Sun-synchronous orbits exist around the Earth and Mars, but not around Mercury and Venus. By offsetting the perturbation acceleration in norm direction, the control acceleration and characteristic velocity of the artificial Sun-synchronous orbit around Mars are less than those of the others. The characteristic velocity

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Fuel optimal low thrust rendezvous with outer planets via gravity assist

Cited by 16 publications

References 16 publications

Survey of Direct Transcription for Low-Thrust Space Trajectory Optimization with Applications

Survey of Direct Transcription for Low-Thrust Space Trajectory Optimization with Applications

Recent research progress in computational solid mechanics

Extension of frozen orbits and Sun-synchronous orbits around terrestrial planets using continuous low-thrust propulsion

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