堆叠卫星的分离与重构动力学研究

孙加亮; 张晓亮; 金栋平

doi:10.21656/1000-0887.440222

堆叠卫星的分离与重构动力学研究

doi: 10.21656/1000-0887.440222

南京航空航天大学航空学院航空航天结构动力学及控制全国重点实验室，南京 210016

(我刊编委金栋平、青年编委孙加亮来稿)

基金项目:

国家自然科学基金 12002153

国家自然科学基金 12232011

国家自然科学基金 12172181

江苏省自然科学基金 BK20200434

中央高校基本科研业务费 NS2023002

详细信息

通讯作者:
孙加亮(1992—)，男，副教授，博士，硕士生导师(通讯作者. E-mail: jindp@nuaa.edu.cn)

中图分类号: O3
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出版历程
- 收稿日期: 2023-07-21
- 修回日期: 2023-09-03
- 刊出日期: 2024-01-01

Separation and Reconfiguration Dynamics of Stacked Satellites

State Key Laboratory of Mechanics and Control for Aerospace Structures, College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P.R.China

(Contributed by JIN Dongping, M.AMM Editorial Board & SUN Jialiang, M.AMM Youth Editorial Board)

摘要

摘要: 堆叠卫星入轨后分离再重构是构建大型空间结构的有效手段之一. 使用自然坐标法建立堆叠卫星系统的动力学方程，具有方便处理卫星组装中固定约束的优点. 设置合适的堆叠卫星分离策略和组装策略，采用自旋分离实现了卫星以堆叠状态入轨后的无碰撞分离，使用PD控制结合势函数方法实现了卫星的逐步组装. 另外，采用优化算法计算了卫星之间的最小距离，用以精细确定排斥势的大小. 基于以上方法，仿真实现了卫星由堆叠状态分离到分段组装的全部过程，证明了所设计的分离和组装策略是有效的.
- 堆叠卫星 /
- 分离重构 /
- 势函数 /
- 自然坐标方法
Abstract: The separation and reconfiguration of stacked satellites in orbit is an effective technique for constructing large space structures. The natural coordinates formulation is used to establish the dynamic equations for stacked satellite systems, which has the advantage of facilitating the handling of fixed constraints between satellites. Suitable strategies for autonomous assembly separation and assembly are devised. A spin separation method is employed to achieve collision-free separation of satellites, while PD control and the potential function is utilized for satellite assembly. Additionally, an optimization algorithm is employed to calculate the minimum distance between satellites, enabling precise determination of the potential function's magnitude. By implementing these methods in simulations, the complete process from separation of stacked satellites to segmented assembly is realized, which confirming the effectiveness of the proposed separation and assembly strategies.
- stacked satellite /
- separation and reconfiguration /
- potential function /
- natural coordinate formulation
edited-by

edited-by
注释:

1) (我刊编委金栋平、青年编委孙加亮来稿)

HTML全文

图 1 堆叠卫星系统的描述坐标系

Figure 1. Three coordinate systems for a stacked satellite system

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图 2 卫星k的自然坐标

Figure 2. The natural coordinate formulation for the kth satellite

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图 3 卫星之间的最小距离与卫星中心的距离

Figure 3. The minimum distance between satellites and the center-line spacing of the satellites

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图 4 堆叠卫星初始构型与目标组装构型

Figure 4. The initial and final configurations of the stacked satellites

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图 5 卫星分离组装策略

Figure 5. The separation and assembly strategy of stacked satellites

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图 6 分离阶段卫星构型

Figure 6. Satellite configurations in the separation progress

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图 7 分离阶段22号卫星与其相邻卫星之间的距离

注为了解释图中的颜色，读者可以参考本文的电子网页版本，后同.

Figure 7. The minimum distances between the №.22 satellite and its neighbours

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图 8 组装阶段卫星构型

Figure 8. Satellite configurations in the assembly progress

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图 9 1~8号卫星的位移

Figure 9. The displacements of the №.1~8 satellites

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图 10 1~8号卫星的姿态

Figure 10. The attitudes of the №.1~8 satellites

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图 11 1~8号卫星的速度

Figure 11. The velocities of the №.1~8 satellites

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图 12 1~8号卫星上的主动力

Figure 12. The forces of the №.1~8 satellites

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表 1 控制参数的取值

Table 1. Control parameters

parameter	value
phase 2 & 3 k_pr，k_pt	1
phase 2 & 3 k_dr, k_dt	5
phase 4 k_pr, k_pt	8
phase 4 k_dr, k_dt	40
d/m	0.07
δ/m	0.25

下载: 导出CSV

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