Dynamic equivalence conditions for an air-bearing simulator emulating scaled drag-free control dynamics
文献类型：期刊论文
| 作者 | Chen MW(陈明伟)1,2; Zhang C(章楚)2 ; He JW(贺建武)1,2; Yang C(杨超)2; Duan L(段俐)1,2; Kang Q(康琦)1,2
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| 刊名 | ACTA MECHANICA SINICA
 |
| 出版日期 | 2025 |
| 卷号 | 41期号:1页码:19 |
| 关键词 | Drag-free satellite Ground simulation Pi theorem Dynamical similarity Scaling law |
| ISSN号 | 0567-7718 |
| DOI | 10.1007/s10409-024-24026-x |
| 通讯作者 | Zhang, Chu(zhangchu@imech.ac.cn) |
| 英文摘要 | The ground-based experimental tests are crucial to verify the related technologies of the drag-free satellite. This work presents a design method of the ground simulator testbed for emulating the planar dynamics of the space drag-free systems. In this paper, the planar dynamic characteristics of the drag-free satellite with double test masses are analyzed and non-dimensionalized. A simulator vehicle composed of an air bearing testbed and two inverted pendulums is devised on the basic of equivalent mass and equivalent stiffness proposed firstly in this paper. And the dynamic model of the simulator equivalent to the sensitive axis motion of the test mass and the planar motion of the satellite is derived from the Euler-Lagrange method. Then, the dynamic equivalence conditions between the space prototype system and the ground model system are derived from Pi theorem. To satisfy these conditions, the scaling laws of two systems and requirements for the inverted pendulum are put forward. Besides, the corresponding control scaling laws and a closed-loop control strategy are deduced and applied to establishing the numerical simulation experiments of underactuated system. Subsequently, the comparative simulation results demonstrate the similarity of dynamical behavior between the scaled-down ground model and the space prototype. As a result, the rationality and effectiveness of the design method are proved, facilitating the ground simulation of future gravitational wave detection satellites. |
| 分类号 | 二类/Q1 |
| WOS关键词 | ORBIT PERFORMANCE ; SPACE ; LISA |
| 资助项目 | National Key Research and Development Program of China[2021YFC2202604] ; Strategy Priority Research Program of Chinese Academy of Sciences[XDA1502110101] |
| WOS研究方向 | Engineering ; Mechanics |
| 语种 | 英语 |
| WOS记录号 | WOS:001317151200005 |
| 资助机构 | National Key Research and Development Program of China ; Strategy Priority Research Program of Chinese Academy of Sciences |
| 其他责任者 | Zhang, Chu |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/96709]  |
| 专题 | 力学研究所_国家微重力实验室 |
| 作者单位 | 1.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100190, Peoples R China 2.Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China; |
| 推荐引用方式 GB/T 7714 | Chen MW,Zhang C,He JW,et al. Dynamic equivalence conditions for an air-bearing simulator emulating scaled drag-free control dynamics[J]. ACTA MECHANICA SINICA,2025,41(1):19. |
| APA | 陈明伟,章楚,贺建武,杨超,段俐,&康琦.(2025).Dynamic equivalence conditions for an air-bearing simulator emulating scaled drag-free control dynamics.ACTA MECHANICA SINICA,41(1),19. |
| MLA | 陈明伟,et al."Dynamic equivalence conditions for an air-bearing simulator emulating scaled drag-free control dynamics".ACTA MECHANICA SINICA 41.1(2025):19. |
入库方式： OAI收割
来源：力学研究所
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