Abstract
The article addresses the event-triggered attitude control problem for spacecraft anti-unwinding reorientation with multiple attitude constraints in the presence of external disturbance. Based on a designed novel potential function (PF), a new sliding mode controller is proposed to guarantee the completeness of anti-unwinding reorientation with multiple attitude constraints and external disturbance. Different from the existing continuous attitude reorientation controller, the static and dynamic event-triggered mechanisms, related to the sliding mode variable and disturbance bound, are then constructed. With the designed event-triggered sliding mode control schemes, the attitude system asymptotic stability, the satisfaction of attitude constraints with anti-unwinding action, and free of Zeno phenomenon despite external disturbance are proved theoretically. Numerical simulation results confirm that the proposed methods can significantly reduce resource usage while guaranteeing the desired performance.
| Original language | English |
|---|---|
| Pages (from-to) | 6031-6043 |
| Number of pages | 13 |
| Journal | IEEE Transactions on Aerospace and Electronic Systems |
| Volume | 59 |
| Issue number | 5 |
| DOIs | |
| State | Published - 1 Oct 2023 |
| Externally published | Yes |
Keywords
- Event-triggered mechanism
- multiple attitude constraints
- potential function
- spacecraft reorientation
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