Real-time nonlinear attitude control system for nanosatellite applications

Junquan Li, Mark Post, Regina Lee

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

This paper develops a fault-tolerant attitude controller for next-generation nanosatellites. The proposed fault-tolerant attitude control algorithms in this study are based on first-order and high-order sliding-mode control theories as well as fuzzy logic systems to achieve low cost and real-time autonomy. A locally asymptotically stable adaptive fuzzy first-order sliding-mode controller is chosen as the best solution to the local attitude control tracking problem. This novel fault-tolerant controller is validated by simulation results with reaction wheel Coulomb friction, saturation, noise, dead zones, bias faults, and external disturbances. Simulation and testing results presented in the paper demonstrate that the attitude control system can provide successful pointing and tracking in the presence of system uncertainties for a specified class of reaction wheel failures.
LanguageEnglish
Pages1661-1671
Number of pages11
JournalJournal of Guidance, Control and Dynamics
Volume36
Issue number6
DOIs
Publication statusPublished - Nov 2013

Fingerprint

Nanosatellites
nanosatellites
attitude control
Attitude Control
Attitude control
Nonlinear Control
reaction wheels
control system
controllers
Control System
Real-time
Fault-tolerant
Control systems
Controller
Wheel
Controllers
sliding
Wheels
tracking problem
First-order

Keywords

  • fuzzy logic systems
  • nanosatellite applications
  • control system

Cite this

Li, Junquan ; Post, Mark ; Lee, Regina. / Real-time nonlinear attitude control system for nanosatellite applications. In: Journal of Guidance, Control and Dynamics. 2013 ; Vol. 36, No. 6. pp. 1661-1671.
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Real-time nonlinear attitude control system for nanosatellite applications. / Li, Junquan; Post, Mark; Lee, Regina.

In: Journal of Guidance, Control and Dynamics, Vol. 36, No. 6, 11.2013, p. 1661-1671.

Research output: Contribution to journalArticle

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