Five-impulse low-energy earth-moon transfer using manifolds
S An, M Liu, H Li, F Wu - Advances in Space Research, 2024 - Elsevier
The libration points in the Earth-Moon and Sun-Earth systems are widely regarded as cost-
effective gateways into interstellar space. The associated manifold tubes have been utilized …
effective gateways into interstellar space. The associated manifold tubes have been utilized …
Designing Low-Thrust Transfers near Earth–Moon via Multi-Objective Reinforcement Learning
Multi-objective reinforcement learning is used to uncover a subset of the multi-objective
solution space for low-thrust transfers between two L 2 southern halo orbits in the Earth …
solution space for low-thrust transfers between two L 2 southern halo orbits in the Earth …
Exploring transfers between earth-moon halo orbits via multi-objective reinforcement learning
Multi-Reward Proximal Policy Optimization, a multiobjective deep reinforcement learning
algorithm, is used to examine the design space of low-thrust trajectories for a SmallSat …
algorithm, is used to examine the design space of low-thrust trajectories for a SmallSat …
Exploration of Long Time-of-Flight Three-Body Transfers Using Deep Reinforcement Learning
K Yanagida, N Ozaki, R Funase - AIAA Scitech 2020 Forum, 2020 - arc.aiaa.org
Low-energy transfers reduce the total∆ V in deep space missions by exploiting multibody
dynamics. However, searching for initial guesses in highly nonlinear systems is often a …
dynamics. However, searching for initial guesses in highly nonlinear systems is often a …
Multiple SSO Space Debris Flyby Trajectory Design Based on Cislunar Orbit
S Zhang, S Wang - Universe, 2024 - mdpi.com
This paper investigates the trajectory design problem in the scenario of a multiple Sun-
synchronous Orbit (SSO) space debris flyby mission from a DRO space station. At first, the …
synchronous Orbit (SSO) space debris flyby mission from a DRO space station. At first, the …
Approximation methods for quick evaluation of invariant manifolds during global optimization
The purpose of this paper is to explore potential methods for improving approximation
methods of invariant manifolds. The ultimate goal is to produce a set of methods and …
methods of invariant manifolds. The ultimate goal is to produce a set of methods and …
Automated global optimization of low-energy trajectories using a hybrid optimal control framework
VJ Shah - 2017 - ideals.illinois.edu
Leveraging dynamical structures found in the three-body problem provides opportunities to
explore transfers that utilize considerably less fuel, thus gaining the moniker of low-energy …
explore transfers that utilize considerably less fuel, thus gaining the moniker of low-energy …
Automated detection of invariant manifold intersections using grid based approach
JD Aurich - 2017 - ideals.illinois.edu
When designing spacecraft trajectories, there exist cases where a trade-off between time-of-
flight and fuel become crucial to the mission design scenario, especially for unmanned …
flight and fuel become crucial to the mission design scenario, especially for unmanned …
Exploring Transfers Between Earth-Moon Halo Orbits via Multi-Objective Reinforcement Learning
AK Mashiku, JR Stuart, N Bosanac, CJ Sullivan… - 2021 - ntrs.nasa.gov
Multi-Reward Proximal Policy Optimization, a multi-objective deep reinforcement learning
algorithm, is used to examine the design space of low-thrust trajectories for a SmallSat …
algorithm, is used to examine the design space of low-thrust trajectories for a SmallSat …