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The research on direct drives control system in the large aperture telescope
Li Xiaoyan; Zhang Zhenchao; Wang Daxing
2010-07-19
会议录名称Software and Cyberinfrastructure for Astronomy
卷号7740
期号7740
页码Vol.7740 2D-1-7
会议日期2010-6-27
会议地点San Diego, California, USA
会议主办者The International Society for Optical Engineering
出版者SPIE
摘要
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).
关键词Chinese Future Giant Telescope (Cfgt) Surface-mounted Permanent Magnet Synchronous Motor (Smpmsm) Space-vector Pwm (svPwm) Feedback
学科领域自动控制
文献类型会议论文
条目标识符http://ir.niaot.ac.cn/handle/114a32/610
专题会议论文
推荐引用方式
GB/T 7714
Li Xiaoyan,Zhang Zhenchao,Wang Daxing. The research on direct drives control system in the large aperture telescope[C]:SPIE,2010:Vol.7740 2D-1-7.
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