Volume 34 Issue 02
Feb.  2008
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Liu Haiying, Wang Huinan, Chen Zhiminget al. Underactuated control of micro-satellite using thrusters based on (w,z) parametrization[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(02): 229-233. (in Chinese)
Citation: Liu Haiying, Wang Huinan, Chen Zhiminget al. Underactuated control of micro-satellite using thrusters based on (w,z) parametrization[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(02): 229-233. (in Chinese)

Underactuated control of micro-satellite using thrusters based on (w,z) parametrization

  • Publish Date: 29 Feb 2008
  • Aimed at the attitude stabilization of micro-satellite under actuator failure, a control scheme based on the (w,z) parametrization was proposed. The (w,z) parametrization is a new attitude describing method, which describes the attitude of satellite using two perpendicular rotations thus complements the Euler angles and quaternion. Using (w,z) parametrization method the kinematics and dynamics model were established, and three controllers named spin-axis stabilization, angular velocities stabilization and attitude stabilization were designed, which applied on three aspect of non-symmetry satellite under actuator failure. Numerical examples of underactuated control by micro-thrusters which is based on pulse width modulation(PWM) technology demonstrated the effectiveness of the derived method.

     

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