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| Content Provider | IET Digital Library |
|---|---|
| Author | Zhang, Aihua Hu, Qinglei Friswell, Michael I. |
| Abstract | A finite-time attitude compensation control scheme is developed for an over-activated rigid spacecraft subject to actuator faults, misalignment, external disturbances and uncertain inertia parameters. The controller is synthesised based on the sliding mode control theory, and guarantees the finite-time reachability of the system states. A sufficient condition for the controller to accommodate misalignment and faults of actuator is presented. An optimised control allocation algorithm based on the Karush–Kuhn–Tucker condition is then applied to distribute the commanded control to each actuator, and optimise the consumption of energy. Numerical simulation results are presented that highlight the performance benefits of the control law. |
| Starting Page | 2007 |
| Ending Page | 2020 |
| Page Count | 14 |
| ISSN | 17518644 |
| Volume Number | 7 |
| e-ISSN | 17518652 |
| Issue Number | Issue 16, Nov (2013) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-cta/7/16 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-cta.2013.0133 |
| Journal | IET Control Theory & Applications |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Actuating And Final Control Device Actuator Fault Actuator Misalignment Actuators Aerospace Control Attitude Control Commanded Control Compensation Control System Analysis Control System Synthesis Energy Consumption External Disturbances Fault Tolerance Finite-time Attitude Compensation Control Scheme Finite-time Fault Tolerant Attitude Control Finite-time Reachability Karush–Kuhn–Tucker Condition Multivariable Control System Numerical Simulation Optimised Control Allocation Algorithm Over-activated Rigid Spacecraft Over-activated Spacecraft Sliding Mode Control Theory Space Vehicle Spatial Variables Control Sufficient Condition Synthesis Method System State Uncertain Inertia Parameter 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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