Analytical Optimal Solution for the Reachable Domain of Low-Thrust Spacecraft

Z Wang, F Jiang - Journal of Spacecraft and Rockets, 2024 - arc.aiaa.org
Low-thrust electric propulsion system has drawn increasing attention from researchers
because of its high propellant efficiency. The reachable domain of low-thrust spacecraft can …

Minimum-fuel low-thrust trajectory optimization via reachability analysis and convex programming

Q Chen, D Qiao, C Wen - Journal of Guidance, Control, and Dynamics, 2021 - arc.aiaa.org
LOW-THRUST trajectory optimization, as a specialization of the optimal control problem, has
always been a challenge for no analytical solution exists. Many numerical methods are …

Reachable Domain Under Perturbation for Satellites with a Single Impulse

C Wen, Y Sun, C Peng, D Qiao - Journal of Guidance, Control, and …, 2023 - arc.aiaa.org
The conventional reachable domain problem for satellites with a single impulse under the
ideal two-body dynamical environment was extended to a more realistic scenario that takes …

Reachable set of spacecraft with finite thrust based on grid method

B Pang, C Wen - IEEE Transactions on Aerospace and …, 2021 - ieeexplore.ieee.org
Reachable sets are sets of position states that the spacecraft can reach from its initial state
under mass and time constraints. In this study, a method to solve the reachable set of …

Long-term evolution of the space environment considering constellation launches and debris disposal

J Zhang, Y Yuan, K Yang, L Li - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Increasingly frequent launch activities, as well as the development of mega constellations,
would cause a drastic increase in the number of space objects, which will then alter the …

A new method for solving reachable domain of spacecraft with a single impulse

Q Chen, D Qiao, H Shang, X Liu - Acta Astronautica, 2018 - Elsevier
This paper develops a new approach to solve the reachable domain of a spacecraft with a
single maximum available impulse. First, the distance in a chosen direction, started from a …

Modeling Medium-Term Debris Cloud of Satellite Breakup via Probabilistic Method

C Wen, Z Jin, C Peng, D Qiao - Journal of Guidance, Control, and …, 2024 - arc.aiaa.org
Accurately modeling the evolution of debris clouds from satellite breakups is necessary for
assessing the collision risk to space assets. Generally, the evolution of debris clouds can be …

Reachable domain for spacecraft with ellipsoidal Delta-V distribution

C Wen, C Peng, Y Gao - Astrodynamics, 2018 - Springer
Conventional reachable domain (RD) problem with an admissible velocity increment, Δv, in
an isotropic distribution, was extended to the general case with Δv in an anisotropic …

Reachable domain of spacecraft after a gravity-assist flyby

Q Chen, D Qiao, C Wen - Journal of Guidance, Control, and Dynamics, 2019 - arc.aiaa.org
SINCE the 1960s, planet and asteroid explorations have always been a focus due to their
great scientific significance. Such exploration missions can be divided by their objectives …

[HTML][HTML] Analytical propagation of space debris density for collisions near sun-synchronous orbits

Y Liu, Y Jiang, H Li - Space: Science & Technology, 2022 - spj.science.org
The increasing frequency of human launches has led to a dramatic increase in the amount
of space debris, especially near sun-synchronous orbits. Most of the fragments are small in …