Research on interface mechanism of back-end module for on-orbit maintenance

doi:10.3788/OPE.20202803.0649

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	Research on interface mechanism of back-end module for on-orbit maintenance
	Z. Shi,W.-G. Zhao,Q.-Y. Li,Y.-Y. Zhang and L.-B. Yang
	2020
发表期刊	Guangxue Jingmi Gongcheng/Optics and Precision Engineering
ISSN	1004924X
卷号	28 期号:3 页码:649-658
摘要	On-orbit maintenance can significantly extend the service life of space science instruments, thus reducing economic costs. In order to realize on-orbit operation and replace the back-end module of a space telescope, a set of corresponding interface mechanisms was designed, which can solve the problem of on-orbit rapid positioning and installation. According to the 321 kinematic positioning criteria, the internal composition and working principle of the interface mechanism were introduced in detail. Then, the interface mechanism and back-end module were simulated at the component level. The simulation results show that the first-order mode is much higher than the fundamental frequency of the whole machine, which can prevent resonance when launching. A set of in-plane tooling was designed to simulate the back-end module, and the gravity unloading of the whole mechanism was carried out using the equivalent mass method. A laser tracker was used to measure the repetitive positioning accuracy of the whole back-end module. The experimental data show that the repetitive translation positioning errors of X, Y, Z in three directions are 5.58 m, 3.24 m and 3.63 m respectively, which are higher than the overall index of 10 m. The thermal experimental results show that the whole mechanism can completely release the deformation caused by temperature change, and has high thermal stability. The relative position of the incident light and target surface is stable, and the imaging quality is high, which provides a strong reference value for on-orbit maintenance devices in outer space. 2020, Science Press. All right reserved.
DOI	10.3788/OPE.20202803.0649
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收录类别	EI
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/64847
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Z. Shi,W.-G. Zhao,Q.-Y. Li,Y.-Y. Zhang and L.-B. Yang. Research on interface mechanism of back-end module for on-orbit maintenance[J]. Guangxue Jingmi Gongcheng/Optics and Precision Engineering,2020,28(3):649-658.
APA	Z. Shi,W.-G. Zhao,Q.-Y. Li,Y.-Y. Zhang and L.-B. Yang.(2020).Research on interface mechanism of back-end module for on-orbit maintenance.Guangxue Jingmi Gongcheng/Optics and Precision Engineering,28(3),649-658.
MLA	Z. Shi,W.-G. Zhao,Q.-Y. Li,Y.-Y. Zhang and L.-B. Yang."Research on interface mechanism of back-end module for on-orbit maintenance".Guangxue Jingmi Gongcheng/Optics and Precision Engineering 28.3(2020):649-658.

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