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Study on rejection characteristic of current loop to the base disturbance of optical communication system
Mao, Yao1,2; Deng, Chao2; Liu, Qiong1,2; Cao, Zheng1,2
2016
发表期刊Proceedings of SPIE: 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes
ISSN0277-786X
卷号9682页码:968214
文章类型C
摘要As laser has narrow transmitting beam and small divergence angle, the LOS (Line of Sight) stabilization of optical communication system is a primary precondition of laser communication links. Compound axis control is usually adopted in LOS stabilization of optical communication system, in which coarse tracking and fine tracking are included. Rejection against high frequency disturbance mainly depends on fine tracking LOS stabilization platform. Limited by different factors such as mechanical characteristic of the stabilization platform and bandwidth/noise of the sensor, the control bandwidth of LOS stabilization platform is restricted so that effective rejection of high frequency disturbance cannot be achieved as it mainly depends on the isolation characteristic of the platform itself. It is proposed by this paper that current loop may reject the effect of back-EMF. By adopting the method of electric control, high frequency isolation characteristic of the platform can be improved. The improvement effect is similar to increasing passive vibration reduction devices. Adopting the double closed loop control structure of velocity and current with the combining of the rejection effect of back-EMF caused by current loop is equivalent to reducing back-EMF coefficient, which can enhance the isolation ability of the LOS stabilization platform to high frequency disturbance. © 2016 SPIE.
关键词Bandwidth Disturbance Rejection Manufacture Mirrors Optical Testing Stabilization Telecommunication Links Telescopes
DOI10.1117/12.2244013
收录类别SCI ; Ei
语种英语
项目资助者Chinese Academy of Sciences, Institute of Optics and Electronics (IOE) ; The Chinese Optical Society (COS)
WOS记录号WOS:000387746500039
引用统计
文献类型期刊论文
条目标识符http://ir.ioe.ac.cn/handle/181551/8547
专题光电工程总体研究室(一室)
作者单位1. Institute of Optics and Electronics, Chinese Academy of Science, Chengdu
2.610209, China
3. Key Laboratory of Optical Engineering, Chinese Academy of Sciences, Chengdu
4.610209, China
推荐引用方式
GB/T 7714
Mao, Yao,Deng, Chao,Liu, Qiong,et al. Study on rejection characteristic of current loop to the base disturbance of optical communication system[J]. Proceedings of SPIE: 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes,2016,9682:968214.
APA Mao, Yao,Deng, Chao,Liu, Qiong,&Cao, Zheng.(2016).Study on rejection characteristic of current loop to the base disturbance of optical communication system.Proceedings of SPIE: 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes,9682,968214.
MLA Mao, Yao,et al."Study on rejection characteristic of current loop to the base disturbance of optical communication system".Proceedings of SPIE: 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes 9682(2016):968214.
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