Abstract
For the issues of attitude strong coupling and the increments of attitude errors of upper stage during multi-satellite disposing, a three-axis stability nonlinear attitude control algorithm via feedback linearization is presented. By the definitions of coordinates and the attitude angle during multi-satellite disposing, the attitude dynamics and kinematics equations with Euler angles described are built. And the equations are equivalently linearized based on feedback linearization theory. A three-axis nonlinear predictive control algorithm is designed and the system robustness is analyzed. An example of mathematical simulation is completed using the Matlab/Simulink environment. Simulation results showed that the control algorithm has good disturbance rejection, rapidity, stability and robustness.
| Original language | English |
|---|---|
| Pages (from-to) | 14-18 |
| Number of pages | 5 |
| Journal | Journal of Harbin Institute of Technology (New Series) |
| Volume | 18 |
| Issue number | 5 |
| State | Published - Oct 2011 |
| Externally published | Yes |
Keywords
- Attitude control
- Feedback linearization
- Nonlinear predictive control
- Upper stage
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