Velocity-free fault tolerant control allocation for flexible spacecraft with redundant thrusters
This paper proposes a novel velocity-free nonlinear proportional-integral (PI) control allocation scheme for fault tolerant attitude control of flexible spacecraft under thruster redundancy. More specifically, the nonlinear PI controller for attitude stabilization without using body angular velocity...
| Main Authors: | , , |
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| Other Authors: | |
| Format: | Conference Paper |
| Language: | English |
| Published: |
2013
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/97622 http://hdl.handle.net/10220/11818 |
| _version_ | 1811677458234081280 |
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| author | Hu, Qinglei Wang, Danwei Poh, Eng Kee |
| author2 | School of Electrical and Electronic Engineering |
| author_facet | School of Electrical and Electronic Engineering Hu, Qinglei Wang, Danwei Poh, Eng Kee |
| author_sort | Hu, Qinglei |
| collection | NTU |
| description | This paper proposes a novel velocity-free nonlinear proportional-integral (PI) control allocation scheme for fault tolerant attitude control of flexible spacecraft under thruster redundancy. More specifically, the nonlinear PI controller for attitude stabilization without using body angular velocity measurements is firstly designed as virtual control of a control allocator to produce the three axis moments, and can guarantee uniform ultimately boundedness of the closed-loop system in the presence of external disturbances and possible stuck faults. The associated stability proof is constructive and accomplished by the development of a passivity filter formulations together with the choice of a Lyapunov function containing cross/mixed terms involving the various states. Then, a robust least squares based control allocation is employed to deal with the problem of distributing the three axis moments over the available thrusters under redundancy, in which the focus of this control allocation is to find the optimal control vector of actuator by minimizing the worst-case residual, under the condition of thruster faults and control constraints like saturation. |
| first_indexed | 2024-10-01T02:37:41Z |
| format | Conference Paper |
| id | ntu-10356/97622 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T02:37:41Z |
| publishDate | 2013 |
| record_format | dspace |
| spelling | ntu-10356/976222020-03-07T13:24:47Z Velocity-free fault tolerant control allocation for flexible spacecraft with redundant thrusters Hu, Qinglei Wang, Danwei Poh, Eng Kee School of Electrical and Electronic Engineering International Conference on Control Automation Robotics & Vision (12th : 2012 : Guangzhou, China) DRNTU::Engineering::Electrical and electronic engineering This paper proposes a novel velocity-free nonlinear proportional-integral (PI) control allocation scheme for fault tolerant attitude control of flexible spacecraft under thruster redundancy. More specifically, the nonlinear PI controller for attitude stabilization without using body angular velocity measurements is firstly designed as virtual control of a control allocator to produce the three axis moments, and can guarantee uniform ultimately boundedness of the closed-loop system in the presence of external disturbances and possible stuck faults. The associated stability proof is constructive and accomplished by the development of a passivity filter formulations together with the choice of a Lyapunov function containing cross/mixed terms involving the various states. Then, a robust least squares based control allocation is employed to deal with the problem of distributing the three axis moments over the available thrusters under redundancy, in which the focus of this control allocation is to find the optimal control vector of actuator by minimizing the worst-case residual, under the condition of thruster faults and control constraints like saturation. 2013-07-18T02:10:07Z 2019-12-06T19:44:41Z 2013-07-18T02:10:07Z 2019-12-06T19:44:41Z 2012 2012 Conference Paper Hu, Q., Wang, D., & Poh, E. K. (2012). Velocity-free fault tolerant control allocation for flexible spacecraft with redundant thrusters. 2012 12th International Conference on Control Automation Robotics & Vision (ICARCV). https://hdl.handle.net/10356/97622 http://hdl.handle.net/10220/11818 10.1109/ICARCV.2012.6485254 en © 2012 IEEE. |
| spellingShingle | DRNTU::Engineering::Electrical and electronic engineering Hu, Qinglei Wang, Danwei Poh, Eng Kee Velocity-free fault tolerant control allocation for flexible spacecraft with redundant thrusters |
| title | Velocity-free fault tolerant control allocation for flexible spacecraft with redundant thrusters |
| title_full | Velocity-free fault tolerant control allocation for flexible spacecraft with redundant thrusters |
| title_fullStr | Velocity-free fault tolerant control allocation for flexible spacecraft with redundant thrusters |
| title_full_unstemmed | Velocity-free fault tolerant control allocation for flexible spacecraft with redundant thrusters |
| title_short | Velocity-free fault tolerant control allocation for flexible spacecraft with redundant thrusters |
| title_sort | velocity free fault tolerant control allocation for flexible spacecraft with redundant thrusters |
| topic | DRNTU::Engineering::Electrical and electronic engineering |
| url | https://hdl.handle.net/10356/97622 http://hdl.handle.net/10220/11818 |
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