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A Measurement Noise Rejection Method in the Feedback Control System Based on Noise Observer

文献类型：期刊论文

作者Ning, Zongqi2; Mao, Yao2; Huang, Yongmei2; Xi, Zhou2; Zhang, Chao.
刊名IEEE Sensors Journal
出版日期2021-01-15
卷号21期号:2页码:1686-1693
关键词Noise measurement Feedback control Sensors Frequency measurement Control systems Frequency control Observers Measurement noise suppression noise observer system stability
ISSN号1530-437X
DOI10.1109/JSEN.2020.3015837
文献子类期刊论文
英文摘要In the conventional feedback control system, the control accuracy is affected by the measurement noise. In this article, a novel method is proposed for the purpose of the measurement noise rejection in the single-input single-output (SISO) feedback control system. By adding an inner noise observer loop in the conventional feedback loop, we apply the observer-based control method into the sensor output signal processing. The proposed method is capable of reducing the measurement noise in frequencies overlapping with the control bandwidth without affecting the tracking ability of the feedback control system. Moreover, this method is simple in that its noise suppression ability is merely decided by the Q-filter, which can be set as a constant. In addition, a necessary and sufficient condition for the system stability is presented considering the uncertainties of the real plant. It is shown that when the Q-filter is zero, the uncertainties of the plant cannot influence the stability of the system. To verify the effectiveness, both the tracking performance and noise rejection performance of the proposed method is simulated, comparing with the conventional feedback control system. Finally, laboratory experiment is conducted with a tracking mirror control system.
出版地PISCATAWAY
WOS关键词H-INFINITY CONTROL ; DISTURBANCE-OBSERVER ; ROBUSTNESS ; COMPENSATION ; PERFORMANCE ; DESIGN ; ERROR
WOS研究方向Engineering ; Instruments & Instrumentation ; Physics
语种英语
WOS记录号WOS:000600900300089
出版者IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
源URL[http://ir.ioe.ac.cn/handle/181551/10153]  
专题光电技术研究所_光电工程总体研究室（一室）
作者单位1.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Key Lab Opt Engn, Chengdu 610209, Peoples R China
推荐引用方式
GB/T 7714		 Ning, Zongqi,Mao, Yao,Huang, Yongmei,et al. A Measurement Noise Rejection Method in the Feedback Control System Based on Noise Observer[J]. IEEE Sensors Journal,2021,21(2):1686-1693.
APA Ning, Zongqi,Mao, Yao,Huang, Yongmei,Xi, Zhou,&Zhang, Chao..(2021).A Measurement Noise Rejection Method in the Feedback Control System Based on Noise Observer.IEEE Sensors Journal,21(2),1686-1693.
MLA Ning, Zongqi,et al."A Measurement Noise Rejection Method in the Feedback Control System Based on Noise Observer".IEEE Sensors Journal 21.2(2021):1686-1693.

入库方式： OAI收割

来源：光电技术研究所

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