Frequency Separation Control for Drag-Free Satellite With Frequency-Domain Constraints

被引：25

作者：

Lian, Xiaobin ^{[1
,2
]}

Zhang, Jinxiu ^{[1
,2
]}

Lu, Lang ^{[1
,2
]}

Wang, Jihe ^{[1
,2
]}

Liu, Lixuan ^{[1
,2
]}

Sun, Jun ^{[3
,4
]}

Sun, Yue ^{[3
,4
]}

机构：

[1] Sun Yat Sen Univ, MOE Key Lab TianQin Mission, TianQin Res Ctr Gravitat Phys, Zhuhai 519082, Peoples R China

[2] Sun Yat Sen Univ, Sch Phys & Astron, Frontiers Sci Ctr TianQin, CNSA Res Ctr Gravitat Waves, Zhuhai 519082, Peoples R China

[3] Shanghai Inst Space Control Technol, Shanghai 201109, Peoples R China

[4] Shanghai Key Lab Aerosp Intelligent Control Techn, Shanghai 201109, Peoples R China

来源：

IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2021年 / 57卷 / 06期

关键词：

Drag-free satellite; frequency separation control; H[!sub]∞[!/sub]mixed sensitivity control; scientific measurement;

D O I：

10.1109/TAES.2021.3088456

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

For a drag-free satellite, one core technology required to achieve the mission requirements is drag-free control. The purpose of control is to offset the interference such as sunlight pressure, gravitational gradients of Earth and Moon, nonspherical perturbation, etc. Currently, the drag-free controller design is mainly aimed at the full frequency band. This will inevitably mix the control signal into the scientific measurement signal, thereby interfering with the processing of scientific data. Besides, the control at the full frequency band will increase fuel consumption. To solve the above problems, this article presented the controller design method for a drag-free satellite with scientific measurement constraints, which covers motion model establishing, coordinate axis decomposition, frequency separation control strategy formulation, H-infinity mixed sensitivity controller design, controller stability analysis, and performance results.

引用

页码：4085 / 4096

页数：12

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