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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
Source PublicationProceedings of SPIE: 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes
Volume9682Pages:968214
2016
Language英语
ISSN0277-786X
DOI10.1117/12.2244013
SubtypeC
AbstractAs 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.
KeywordBandwidth Disturbance Rejection Manufacture Mirrors Optical Testing Stabilization Telecommunication Links Telescopes
Indexed BySCI ; Ei
WOS IDWOS:000387746500039
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/8547
Collection光电工程总体研究室(一室)
Affiliation1. 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
Recommended Citation
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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