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  • 标题:Disturbance rejection for a rotating flexible spacecraft: a port-Hamiltonian approach
  • 本地全文:下载
  • 作者:Daniel Alazard ; Saïd Aoues ; Flávio Luiz Cardoso-Ribeiro
  • 期刊名称:IFAC PapersOnLine
  • 印刷版ISSN:2405-8963
  • 出版年度:2018
  • 卷号:51
  • 期号:3
  • 页码:113-118
  • DOI:10.1016/j.ifacol.2018.06.031
  • 语种:English
  • 出版社:Elsevier
  • 摘要:AbstractIn this paper, the mathematical model of a flexible spacecraft system composed of a hub and two symmetrical beams loaded with tip masses is reconsidered to design a control law for internal disturbance rejection. This model has a port-Hamiltonian structure and is passive. The disturbance rejection is performed by a feedback control law using the angular rates at the two tips of a beam. The closed-loop asymptotic stability of such a collocated / non-collocated control is analyzed through explicitly solving the Partial Differential Equations (PDE) of the system. Finally, the experimental results are carried out to assess the validity of the proposed control methodology.
  • 关键词:KeywordsPort-Hamiltonian systemspassivity-based controlflexible spacecraftLyapunov stability
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