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| Content Provider | IET Digital Library |
|---|---|
| Author | Song, Zhuoyue Duan, Chao Su, Housheng Hu, Jinchang |
| Abstract | This study addresses an attitude tracking problem for a rigid spacecraft with bounded external disturbances. Attitude dynamics of the rigid spacecraft is modelled by a unit quaternion for global representation. Based on this representation, a novel continuous controller is proposed based on the full-order terminal sliding mode method. The finite-time stability of the closed-loop system is assured by Lyapunov and homogeneous finite-time stability theorems. Moreover, the singularity term in the terminal sliding surface is compensated by an identical item in the feedback control law, and this makes the closed-loop system trajectories converge to the equilibrium in finite-time, and hence a high precision is obtained. Finally, simulation results are presented to illustrate the effectiveness of the proposed controller. |
| Starting Page | 1086 |
| Ending Page | 1094 |
| Page Count | 9 |
| ISSN | 17518644 |
| Volume Number | 12 |
| e-ISSN | 17518652 |
| Issue Number | Issue 8, May (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-cta/12/8 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-cta.2017.0583 |
| Journal | IET Control Theory & Applications |
| Publisher Date | 2018-02-09 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Aerodynamics Aerospace Control Attitude Control Attitude Dynamics Bounded External Disturbances Closed Loop System Closed-loop System Trajectories Compensation Continuous Controller Continuous System Feedback Feedback Control Law Finite-time Attitude Tracking Full-order Terminal Sliding Mode Control Global Representation Homogeneous Finite-time Stability Theorems Lyapunov Method Lyapunov Stability Theorems Multivariable Control System Rigid Spacecraft Singularity Term Compensation Space Vehicle Spatial Variables Control Stability Stability in Control Theory Terminal Sliding Surface Unit Quaternion Variable Structure System |
| Content Type | Text |
| Resource Type | Article |
| Subject | Control and Optimization Control and Systems Engineering Human-Computer Interaction Electrical and Electronic Engineering Computer Science Applications |
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