Adaptive backstepping control for optimal descent with embedded autonomy

Maodeng Li, Wuxing Jing, Malcolm Macdonald, Colin McInnes

Research output: Contribution to journalArticle

12 Citations (Scopus)
115 Downloads (Pure)

Abstract

Using Lyapunov stability theory, an adaptive backstepping controller is presented
in this paper for optimal descent tracking. Unlike the traditional approach, the proposed control law can cope with input saturation and failure which enables the embedded autonomy of lander system. In addition, this control law can also restrain the unknown bounded terms (i.e., disturbance). To show the controller’s performance in the presence of input saturation, input failure and bounded external disturbance, simulation was carried out under a lunar landing scenario.
Original languageEnglish
Pages (from-to)1396-1411
JournalAerospace Science and Technology
Volume15
Issue number7
Early online date15 Dec 2010
DOIs
Publication statusPublished - Oct 2011

Keywords

  • adaptive backstepping control
  • input failure
  • input saturation
  • optimal

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