Model-Free Prescribed Performance Control for Spacecraft Attitude Tracking

The problem of flexible spacecraft attitude tracking control with guaranteeing the prescribed performance is investigated. First, the Lagrangian model of the flexible spacecraft is derived. Then, a model-free control law is proposed, in which information of spacecraft and flexible appendage is not r...

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Bibliographic Details
Published in:IEEE transactions on control systems technology 2021-01, Vol.29 (1), p.165-179
Main Authors: Hu, Yabo, Geng, Yunhai, Wu, Baolin, Wang, Danwei
Format: Article
Language:English
Subjects:
Analytical models
Angular velocity
Attitude control
Attitude tracking
Closed loop systems
Control theory
Feedback control
Flexible spacecraft
Mathematical models
model-free control
prescribed performance
Space vehicles
spacecraft
Spacecraft attitude control
spacecraft control
Spacecraft tracking
Stability
Stability analysis
Tracking control
Transient analysis
Velocity errors
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Summary:The problem of flexible spacecraft attitude tracking control with guaranteeing the prescribed performance is investigated. First, the Lagrangian model of the flexible spacecraft is derived. Then, a model-free control law is proposed, in which information of spacecraft and flexible appendage is not required. The proposed control law is able to guarantee the prescribed transient and steady-state behavior for both attitude and angular velocity errors in the presence of bounded external disturbances. The stability of the resulting closed-loop system is guaranteed by the Lyapunov approach. Two special forms of the proposed control law are subsequently obtained. The effectiveness of both complete form and special forms of the proposed control law is verified by numerical simulations. Since the modal information of spacecraft is not involved in the control design, the proposed control law can also be used for rigid spacecraft.
ISSN:1063-6536
1558-0865
DOI:10.1109/TCST.2020.2968868