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A Novel Dual-Loop Disturbance Observer-Based Attitude Control for a Space-Based Observation Microsatellite

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  • Jian Sun
  • Jian Yu
  • Haijun Rong

Abstract

Aiming at strong coupling and nonlinear dynamic equations for a space-based observation satellite, a sliding mode controller with feed-forward compensation is proposed in this paper. The theorem of moment of momentum is applied to formulate the exact nonlinear dynamic equations of a multibody satellite. On this basis, sliding-mode control-based, dual-loop forward-feed compensation control is used to control the attitude of the space-based observation microsatellite. By comparing with the conventional control method, simulation results demonstrate that the proposed control method has superior performance in terms of suppression from external disturbances and vibration. Better dynamic and static performance indices than the conventional control method are achieved.

Suggested Citation

  • Jian Sun & Jian Yu & Haijun Rong, 2012. "A Novel Dual-Loop Disturbance Observer-Based Attitude Control for a Space-Based Observation Microsatellite," Mathematical Problems in Engineering, Hindawi, vol. 2012, pages 1-18, September.
    • Handle: RePEc:hin:jnlmpe:987256
    DOI: 10.1155/2012/987256
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