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Disturbance observer based finite-time attitude control for rigid spacecraft under input saturation
Hu QL(胡庆雷); Li B(李波); Qi JT(齐俊桐)
作者部门机器人学研究室
关键词Spacecraft Finite-time Control Disturbance Observer Input Saturation Misalignment
发表期刊Aerospace Science and Technology
ISSN1270-9638
2014
卷号39页码:13-21
收录类别SCI ; EI
EI收录号20144100092814
WOS记录号WOS:000347743100003
产权排序3
摘要A novel finite-time controller integrated with disturbance observer is investigated for a rigid spacecraft in the presence of disturbance, actuator saturation and misalignment. As a stepping-stone, a second-order disturbance observer is designed firstly such that the reconstruction of lumped disturbances is accomplished in finite time with zero error. Then, with the reconstructed information, a finite-time controller is synthesized even under actuator input saturation and misalignment, and the closed-loop system/state is proved to be finite-time stable and converges to the specified time-varying sliding mode surface. Moreover, the input saturation constraint is overcome via introducing an auxiliary variable to compensate for the overshooting. Numerical simulation results for the in-orbit rigid spacecraft show good performances, which validate the effectiveness and feasibility of the proposed schemes.
语种英语
WOS标题词Science & Technology ; Technology
WOS类目Engineering, Aerospace
关键词[WOS]SLIDING-MODE CONTROL ; VARIABLE-STRUCTURE SYSTEMS ; FLEXIBLE SPACECRAFT ; TRACKING CONTROL ; L-2-GAIN PERFORMANCE ; CONTROL CONSTRAINTS ; FEEDBACK-CONTROL ; CONTROL DESIGN ; STABILIZATION ; CONVERGENCE
WOS研究方向Engineering
引用统计
被引频次:39[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/15259
专题机器人学研究室
通讯作者Hu QL(胡庆雷)
作者单位1.School of Automation Science and Electrical Engineering, Beihang University, Beijing, China
2.Department of Control Science and Engineering, Harbin Institute of Technology, Harbin, China
3.State Key Laboratory of Robotics, Shenyang Institute of Automation, CAS, Shenyang, China
推荐引用方式
GB/T 7714
Hu QL,Li B,Qi JT. Disturbance observer based finite-time attitude control for rigid spacecraft under input saturation[J]. Aerospace Science and Technology,2014,39:13-21.
APA Hu QL,Li B,&Qi JT.(2014).Disturbance observer based finite-time attitude control for rigid spacecraft under input saturation.Aerospace Science and Technology,39,13-21.
MLA Hu QL,et al."Disturbance observer based finite-time attitude control for rigid spacecraft under input saturation".Aerospace Science and Technology 39(2014):13-21.
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