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Title:
The research on direct drives control system in the large aperture telescope
Author: Li, XiaoYan(李晓燕) ; Zhang, ZhenChao(张振超) ; Wang, DaXing(汪达兴)
Issued Date: 2010-07-19
Conference Date: 2010-6-27
Conference Place: San Diego, California, USA
Keyword: Chinese Future Giant Telescope (CFGT) ; Surface-mounted Permanent Magnet Synchronous Motor (SMPMSM) ; Space-vector PWM (SVPWM) ; Feedback
Subject: 天文技术与方法::自动控制
English Abstract:
A 30m giant telescope project, Chinese Future Giant Telescope (CFGT), has been proposed by Chinese astronomers. At present, a series of key techniques are being developed. This paper explores a method to control direct drive servo motor in giant telescope application, which is based on a segmented Surface-mounted Permanent Magnet Synchronous Motor (SMPMSM). The losses of SMPMSM and the method of reducing the losses are discussed in this paper. Phasecontrolled rectification circuit is chosen to regulate rectified voltage according to the telescope status. Such design can
decrease the losses of the motor to some extent. In the control system Space-vector PWM (SVPWM) algorithm acts as a control algorithm and three-phase voltage source inverter circuit acts as drive circuit. This project is subsidized by Chinese National Natural Science Funds (10833004).
Sponsorship: The International Society for Optical Engineering
Source: Software and Cyberinfrastructure for Astronomy
Publisher: SPIE
Content Type: 会议论文
URI: http://ir.niaot.ac.cn/handle/114a32/610
Appears in Collections:中科院南京天光所知识成果_会议论文
望远镜新技术研究室_会议论文

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Recommended Citation:
Li Xiaoyan,Zhang Zhenchao,Wang Daxing. The research on direct drives control system in the large aperture telescope[C]. 见:. San Diego, California, USA. 2010-6-27.
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