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Attitude control of pico-satellite using flywheel based on fractional order sliding mode

  • Harbin Institute of Technology

Research output: Contribution to conferencePaperpeer-review

Abstract

A quaternion based attitude model of a spacecraft that describes the three-axis stabilized pico-satellite equipped with momentum wheel considering gravity gradient torque disturbance is proposed in this paper. A linearized state space model that includes only three angle velocities and three components of the quaternion is derived from Taylor expansion and Jacobian matrix. Based on the linearized model, a fractional order sliding mode controller is designed in the light of Lyapunov stability theorem. Numerical simulations are also provided to show the proposed results and to validate the effectiveness of the new robust fractional sliding mode controller.

Original languageEnglish
Pages756-761
Number of pages6
DOIs
StatePublished - 2013
Event2013 2nd International Conference on Measurement, Information and Control, ICMIC 2013 - Harbin, China
Duration: 16 Aug 201318 Aug 2013

Conference

Conference2013 2nd International Conference on Measurement, Information and Control, ICMIC 2013
Country/TerritoryChina
CityHarbin
Period16/08/1318/08/13

Keywords

  • Flywheel
  • Fractional calculus
  • Fractional order sliding
  • Spacecraft attitude

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