General attitude maneuvers of spacecraft with flexible structures

Yiing Yuh Lin, Gern Liang Lin

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

An efficient composite control strategy is proposed in this paper permitting simultaneous multi-axis reorientation of a spacecraft with flexible structures. The proposed control, separating large and small motions of the dynamic system, includes three parts that can be independently designed and tuned. For each maneuver, an open-loop referencing attitude control trajectory is derived by considering the spacecraft as rigid and executed by part 1. Flexural deformations of the structures are stabilized by part 2. Part 3, encompassing part 1 and part 2 control results and external disturbances, is an optimal guidance that tracks part 1 reference trajectory and achieves the specified final attitude in finite time. Three simulation cases are included in which a flexible model spacecraft is used. Collocated actuators and sensors are placed on the hub and on the flexible structures of the spacecraft.

Original languageEnglish
Pages (from-to)264-271
Number of pages8
JournalJournal of Guidance, Control, and Dynamics
Volume18
Issue number2
DOIs
Publication statusPublished - 1995 Mar

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Aerospace Engineering
  • Space and Planetary Science
  • Electrical and Electronic Engineering
  • Applied Mathematics

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