Title

Suboptimal Finite Time Controller Design for Formation Flying at Libration Points by ϴ − D Technique

Abstract

In this paper, a novel finite time suboptimal control design method (named ϴ − D technique) to two spacecraft Coulomb formation at the Earth-Moon libration points is investigated. By employing this proposed technique, the relative distance between them can be driven to a desired value at a finite time from the initial positions. Meanwhile, three nonlinear dynamic configurations to two spacecraft Coulomb formation are considered in this study, which are orbit radial direction configuration, along track direction configuration and orbit normal direction configuration. Finally, the effectiveness of the proposed control design technique is demonstrated by the numerical simulations, indicating potential of this proposed technique to this formation control application and to other engineering applications.

Meeting Name

AIAA Scitech 2021 Forum (2021: Jan.11-15, Nashville, TN)

Department(s)

Mechanical and Aerospace Engineering

International Standard Book Number (ISBN)

978-162410609-5

Document Type

Article - Conference proceedings

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2020 American Institute of Aeronautics and Astronautics (AIAA), All rights reserved.

Publication Date

15 Jan 2021

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