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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
会议录名称Modeling, Systems Engineering, and Project Management for Astronomy VI
卷号9150
页码Vol.9150 1L-1-6
会议日期2014-6-22
会议地点Montréal, Quebec, Canada
会议主办者SPIE
出版者SPIE
摘要
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.
关键词Direct Drive Control System Igbt Large Telescope
学科领域天文技术与方法
文献类型会议论文
条目标识符http://ir.niaot.ac.cn/handle/114a32/796
专题会议论文
推荐引用方式
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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