Nonlinear output tracking and disturbance rejection for autonomous close-range rendezvous and docking of spacecraft

Daero Lee, Hyochoong Bang, Eric A. Butcher, Amit Sanyal

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A new control scheme of nonlinear output tracking and disturbance rejection for autonomous close-range rendezvous and docking of spacecraft is proposed in a closed-loop structure. The robustness of the proposed control scheme is achieved through the sum of output-feedback control and state-feedback control as a closed-loop control structure. The designs of both control laws are based on full, 6-degrees-of-freedom, nonlinear dynamic models, which are transformed into a linear-like form using a state dependent Ricatti equation technique. The proposed control scheme ensures closerange rendezvous and meets the state tracking conditions for docking such that the convergence of state tracking errors should be ensured in the presence of unknown disturbances and uncertainties of the system parameters. Compared with the conventional state-dependent Ricatti equation method, the proposed control scheme yields superior state tracking performance and robustness in the presence of external disturbances and uncertain system parameters. The 6-degreesof- freedom numerical simulation results are presented to verify the effectiveness and capability of the proposed control scheme for autonomous close-range rendezvous and docking.

Original languageEnglish (US)
Pages (from-to)225-237
Number of pages13
JournalTransactions of the Japan Society for Aeronautical and Space Sciences
Volume57
Issue number4
DOIs
StatePublished - Jan 1 2014
Externally publishedYes

Fingerprint

rendezvous
Disturbance rejection
rejection
Spacecraft
spacecraft
disturbances
disturbance
output
feedback control
Feedback control
uncertain systems
Uncertain systems
Degrees of freedom (mechanics)
State feedback
Robustness (control systems)
dynamic models
Dynamic models
simulation
degrees of freedom
Computer simulation

Keywords

  • Close-Range Rendezvous and Docking
  • Disturbance Rejection
  • Nonlinear Output Tracking
  • State-Dependent Riccati Equation

ASJC Scopus subject areas

  • Aerospace Engineering
  • Space and Planetary Science

Cite this

Nonlinear output tracking and disturbance rejection for autonomous close-range rendezvous and docking of spacecraft. / Lee, Daero; Bang, Hyochoong; Butcher, Eric A.; Sanyal, Amit.

In: Transactions of the Japan Society for Aeronautical and Space Sciences, Vol. 57, No. 4, 01.01.2014, p. 225-237.

Research output: Contribution to journalArticle

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