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- Title
Chaos control with ion propulsion.
- Authors
Slíz, J.; Kovács, T.; Süli, Á.
- Abstract
The escape dynamics around the triangular Lagrangian point L5 in the real Sun-Earth-Moon-Spacecraft system is investigated. Appearance of the finite-time chaotic behavior suggests that widely used methods and concepts of dynamical system theory can be useful in constructing a desired mission design. Existing chaos control methods are modified in such a way that we are able to protect a test particle from escape. We introduce initial condition maps (ICMs) in order to have a suitable numerical method to describe the motion in high-dimensional phase space. Results show that the structure of ICMs can be split into two well-defined domains. One of these two parts has a regular contiguous shape and is responsible for long-time escape; it is a long-lived island. The other one shows a filamentary fractal structure in the ICMs. The short-time escape is governed by this object. This study focuses on a low-cost method that successfully transfers a reference trajectory between these two regions using an appropriate continuous control force. A comparison of the Earth-Moon transfer is also presented to show the efficiency of our method.
- Subjects
LAGRANGIAN points; ANTIMONY crystals; SPACE vehicles; CRYSTAL whiskers; ION rockets; GRAVITATIONAL effects
- Publication
Astronomische Nachrichten, 2017, Vol 338, Issue 5, p536
- ISSN
0004-6337
- Publication type
Article
- DOI
10.1002/asna.201713222