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Time-varying modal parameters identification of large flexible spacecraft using a recursive algorithm
Ni ZY(倪智宇); Wu ZG(吴志刚); Wu SN(邬树楠)
作者部门空间自动化技术研究室
关键词Modal Parameter Identification Large Flexible Spacecraft Linear Time-varying System Recursive Subspace Algorithm
发表期刊International Journal of Aeronautical and Space Sciences
ISSN2093-274X
2016
卷号17期号:2页码:184-194
收录类别SCI ; EI
EI收录号20162702570346
WOS记录号WOS:000379716000006
产权排序1
资助机构National Natural Science Foundation of China (Grant no. 11432010, 11502040).
摘要In existing identification methods for on-orbit spacecraft, such as eigensystem realization algorithm (ERA) and subspace method identification (SMI), singular value decomposition (SVD) is used frequently to estimate the modal parameters. However, these identification methods are often used to process the linear time-invariant system, and there is a lower computation efficiency using the SVD when the system order of spacecraft is high. In this study, to improve the computational efficiency in identifying time-varying modal parameters of large spacecraft, a faster recursive algorithm called fast approximated power iteration (FAPI) is employed. This approach avoids the SVD and can be provided as an alternative spacecraft identification method, and the latest modal parameters obtained can be applied for updating the controller parameters timely (e.g. the self-adaptive control problem). In numerical simulations, two large flexible spacecraft models, the Engineering Test Satellite-VIII (ETS-VIII) and Soil Moisture Active/Passive (SMAP) satellite, are established. The identification results show that this recursive algorithm can obtain the time-varying modal parameters, and the computation time is reduced significantly. 
语种英语
WOS标题词Science & Technology ; Technology
WOS类目Engineering, Aerospace
关键词[WOS]ETS-VIII ; SYSTEM ; CONTROLLER
WOS研究方向Engineering
引用统计
被引频次:2[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/173321/18730
专题空间自动化技术研究室
通讯作者Wu ZG(吴志刚)
作者单位1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
2.School of Aeronautics and Astronautics, Dalian University of Technology, Dalian, 116024, China
3.State Key Laboratory of Structural Analysis for Industrial Equipment, School of Aeronautics and Astronautics, Dalian University of Technology, Dalian, 116024, China
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GB/T 7714
Ni ZY,Wu ZG,Wu SN. Time-varying modal parameters identification of large flexible spacecraft using a recursive algorithm[J]. International Journal of Aeronautical and Space Sciences,2016,17(2):184-194.
APA Ni ZY,Wu ZG,&Wu SN.(2016).Time-varying modal parameters identification of large flexible spacecraft using a recursive algorithm.International Journal of Aeronautical and Space Sciences,17(2),184-194.
MLA Ni ZY,et al."Time-varying modal parameters identification of large flexible spacecraft using a recursive algorithm".International Journal of Aeronautical and Space Sciences 17.2(2016):184-194.
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