| 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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