Abstract
This study is dedicated to addressing the predefined-time attitude tracking control problem of spacecraft in the presence of actuator faults, unmeasurable angular velocity, system uncertainties, and external disturbance. Invoking only the attitude measurement feedback, a model-free adaptive state observer is designed to estimate the unmeasurable angular velocity. Its estimation error is governed to be stable with predefined-time convergence. Using this estimation, a continuous and nonsingular sliding-surface-based predefined-time adaptive controller is synthesized. This controller is free from singularities and chattering. It ensures that the attitude tracking error is stable with predefined-time convergence. The effectiveness of the proposed controller is verified through numerical examples.
| Original language | English |
|---|---|
| Pages (from-to) | 19274-19282 |
| Number of pages | 9 |
| Journal | IEEE Transactions on Aerospace and Electronic Systems |
| Volume | 61 |
| Issue number | 6 |
| DOIs | |
| State | Published - 2025 |
Keywords
- Attitude control
- fault-tolerant control
- predefined time
- rigid spacecraft
- state observer
- velocity free
Fingerprint
Dive into the research topics of 'A Predefined-Time and Angular Velocity-Free Attitude-Tolerant Control Approach for Spacecraft'. Together they form a unique fingerprint.Cite this
- APA
- Author
- BIBTEX
- Harvard
- Standard
- RIS
- Vancouver