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Alternative TitleDevelopment and Evaluation of a CAN-Based Alignment System for Active Optics
肖心怡1; 张宗猛1; 杨德华1; 吴常铖1; 金振宇2
Source Publication天文研究与技术(Astronomical Research & Technology)
Contribution Rank第2完成单位
Indexed ByCSCD
Keyword主动光学 CAN总线 镜面调整 位移促动器

为先进地基太阳望远镜(AST-G)主镜支撑系统预研,本文设计了一套基于CAN总线通信的主动光学镜面位姿调整驱动系统。首先面向一个主动支撑样机实验平台,开展了镜面运动学理论分析及位姿解算,然后采用STM32设计了一个主节点和三个子节点,实现了镜面位姿驱动系统中位移促动器的分布式控制。最后,开展了基于CAN总线的位移促动器性能测试及镜面位姿调整实验验证。结果表明,位移促动器的控制精度优于1μm RMS,镜面绕X、Y轴的转动误差优于1’’ RMS,镜面Z轴方向平动误差优于1μm RMS。本文所提基于CAN总线的位姿驱动系统研究为先进地基太阳望远镜(AST-G)主镜支撑系统的研制提供了技术探索,也可为其它主动光学应用系统提供参考。 

Other Abstract

In order to explore the primary mirror support of the Advanced Ground-based Solar Telescope (AST-G), this paper reported the development of the aligning system of an active optical mirror using CAN Bus communication. Based on an active support system prototype, theoretical analysis of mirror kinematics with regard to the configuration of displacement actuators was firstly figured out. Then, a master node and three slave nodes were designed with STM32 to realize the distributed control of displacement actuators to actively align the mirror. Finally, we tested the performance of displacement actuator with CAN Bus and the experimental verification of the mirror alignment. The results show that the control accuracy of the displacement actuator is better than 1μm RMS, the rotations of the system around the x-axis and y-axis are better than 1'' RMS, and the piston error of the mirror is also better than 1 μm RMS. The research of the alignment system with CAN Bus is an elementary technical preparation for future development of the primary mirror support system of the AST-G.

Funding Project国家自然科学基金天文联合基金[U1531110] ; 国家自然科学基金天文联合基金[U1931126]
Funding Organization国家自然科学基金天文联合基金[U1531110, U1931126]
Subject Area物理学 ; 光学
MOST Discipline Catalogue理学 ; 理学::天文学
Citation statistics
Document Type期刊论文
Corresponding Author杨德华; 金振宇
Affiliation1.南京航空航天大学自动化学院, 江苏, 南京, 211106
2.中国科学院云南天文台,云南 昆明 650011
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
肖心怡,张宗猛,杨德华,等. 基于CAN总线的主动光学镜面位姿驱动系统研究[J]. 天文研究与技术(Astronomical Research & Technology),2020.
APA 肖心怡,张宗猛,杨德华,吴常铖,&金振宇.(2020).基于CAN总线的主动光学镜面位姿驱动系统研究.天文研究与技术(Astronomical Research & Technology).
MLA 肖心怡,et al."基于CAN总线的主动光学镜面位姿驱动系统研究".天文研究与技术(Astronomical Research & Technology) (2020).
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