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The M2&M3 positioning control systems of a 2.5m telescope
Yu Ye; Chong Pei; Zhiyong Zhang; Bozhong Gu
2012-09-17
Source PublicationGround-based and Airborne Telescopes IV
Volume8444
Issue8444
PagesVol.8444 4X-1-9
Conference Date2012--7-1
Conference PlaceAmsterdam, Netherlands
Funding OrganizationThe International Society for Optical Engineering
PublisherSPIE
Abstract
The 2.5m optical/infrared telescope is an F/8 telescope comprising one Cassegrain foci, two Nasmyth foci and two student Nasmyth foci. This paper presents a brief description of the physical structure, conceptual design, hardware implementing measure and software structure in the positioning control system of M2&M3. The graphical user interface application (Qt) is adopted to design the software. During the full working range the M2 focus and decenter achieve the positioning repeatability is better than ±4μm and the M2 tilt is better than 10 μrad. The M3 angular positioning and locking accuracy is better than 10 arcsec and repeatability is better than 2 arcsec RMS.
Keyword2.5m Telescope M2&M3 Positioning Control Control Systems
Subject Area自动控制
Document Type会议论文
Identifierhttp://ir.niaot.ac.cn/handle/114a32/684
Collection中国科学院南京天文光学技术研究所_会议论文
望远镜工程中心_会议论文
Recommended Citation
GB/T 7714
Yu Ye,Chong Pei,Zhiyong Zhang,et al. The M2&M3 positioning control systems of a 2.5m telescope[C]:SPIE,2012:Vol.8444 4X-1-9.
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