NIAOT OpenIR  > 中国科学院南京天文光学技术研究所  > 会议论文
Design of one large telescope direct drive control system based on TMS320F28xx
Xiao-li Song; Da-xing Wang; Chao Zhang; zhen-chao Zhang; Li-yan Chen; Chang-zhi Ren
2014-08-05
Source PublicationModeling, Systems Engineering, and Project Management for Astronomy VI
Volume9150
PagesVol.9150 1L-1-6
Conference Date2014-6-22
Conference PlaceMontréal, Quebec, Canada
Funding OrganizationSPIE
PublisherSPIE
Abstract
The mount drive control is the key technique which mostly affects astronomical telescope’s resolution and its speed. However, the ultra -lower speed and the giant moment of inertia make it very difficult to be controlled. In this paper, one segmented permanent-magnet synchronous motor (PMSM), 4m diameter, is suggested for the mount driving. A method is presented to drive the motor direct ly, which is based on TMS320F28XX and Insulated Gate Bipolar Transistor (IGBT) , also, HEIDENHAIN tape is used to detect the absolute position of the motor together with the Hall sensor. The segmented PMSM can work stable and the mount drive can realize nice tracking performance at ultra -lower speed with this drive system.
KeywordDirect Drive Control System Igbt Large Telescope
Subject Area天文技术与方法
Document Type会议论文
Identifierhttp://ir.niaot.ac.cn/handle/114a32/796
Collection中国科学院南京天文光学技术研究所_会议论文
望远镜新技术研究室_会议论文
望远镜工程中心_会议论文
Recommended Citation
GB/T 7714
Xiao-li Song,Da-xing Wang,Chao Zhang,et al. Design of one large telescope direct drive control system based on TMS320F28xx[C]:SPIE,2014:Vol.9150 1L-1-6.
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