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题名: Null-space-based optimal control reallocation for spacecraft stabilization under input saturation
作者: Li B(李波); Hu QL(胡庆雷); Qi JT(齐俊桐)
作者部门: 机器人学研究室
关键词: Asymptotic stability ; Quadratic programming ; Spacecraft ; Stabilization
刊名: International Journal of Adaptive Control and Signal Processing
ISSN号: 0890-6327
出版日期: 2015
卷号: 29, 期号:6, 页码:705-724
收录类别: SCI ; EI
产权排序: 2
摘要: A novel saturated proportional-derivative control incorporated with null-space-based optimal control reallocation is proposed for spacecraft attitude stabilization in the presence of disturbance and input saturation. More specifically, a saturated proportional-derivative based baseline nonlinear controller is firstly developed to guarantee the globally asymptotic stability under input constraints and external disturbance. This is achieved with inexpensive online computations by dynamically adjusting a single parameter to ensure the desired performance. Then, a novel null-space-based optimal control reallocation method is employed to map the specified virtual control command to the redundant actuators. The optimal control solution is obtained by penalizing the control allocation errors at a lower power/energy cost using quadratic programming algorithm. The benefits of the proposed control method are analytically authenticated and also validated via simulation study.
语种: 英语
WOS记录号: WOS:000355752900003
WOS标题词: Science & Technology ; Technology
类目[WOS]: Automation & Control Systems ; Engineering, Electrical & Electronic
关键词[WOS]: ATTITUDE-CONTROL ; CONTROL ALLOCATION ; QUATERNION FEEDBACK ; ADAPTIVE-CONTROL ; MANEUVERS ; TRACKING
研究领域[WOS]: Automation & Control Systems ; Engineering
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内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/15119
Appears in Collections:机器人学研究室_期刊论文

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文件名: Null-space-based optimal control reallocation for spacecraft stabilization under input saturation.pdf
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