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MEMS inertial sensors-based multi-loop control enhanced by disturbance observation and compensation for fast steering mirror system
Deng, Chao1,2,3; Mao, Yao1,2; Ren, Ge1,2
2016
Source PublicationSensors (Switzerland)
ISSN1424-8220
Volume16Issue:11Pages:1920
SubtypeJ
AbstractIn this paper, an approach to improve the disturbance suppression performance of a fast steering mirror (FSM) tracking control system based on a charge-coupled device (CCD) and micro-electro-mechanical system (MEMS) inertial sensors is proposed. The disturbance observation and compensation (DOC) control method is recommended to enhance the classical multi-loop feedback control (MFC) for line-of-sight (LOS) stabilization in the FSM system. MEMS accelerometers and gyroscopes have been used in the FSM system tentatively to implement MFC instead of fiber-optic gyroscopes (FOG) because of its smaller, lighter, cheaper features and gradually improved performance. However, the stabilization performance of FSM is still suffering a large number of mechanical resonances and time delay induced by a low CCD sampling rate, which causes insufficient error attenuation when suffering uncertain disturbances. Thus, in order to make further improvements on the stabilization performance, a cascaded MFC enhanced by DOC method is proposed. The sensitivity of this method shows the significant improvement of the conventional MFC system. Simultaneously, the analysis of stabilization accuracy is also presented. A series of comparative experimental results demonstrate the disturbance suppression performance of the FSM control system based on the MEMS inertial sensors can be effectively improved by the proposed approach. © 2016 by the authors; licensee MDPI, Basel, Switzerland.
KeywordCharge Coupled Devices Control Systems Delay Control Systems Feedback Control Fiber Optics Gyroscopes Inertial Navigation Systems Mems Mirrors Stabilization Time Delay Transients
DOI10.3390/s16111920
Indexed BySCI ; Ei
Language英语
WOS IDWOS:000389641700153
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/8560
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
5. University of Chinese Academy of Science, Beijing
6.100039, China
Recommended Citation
GB/T 7714
Deng, Chao,Mao, Yao,Ren, Ge. MEMS inertial sensors-based multi-loop control enhanced by disturbance observation and compensation for fast steering mirror system[J]. Sensors (Switzerland),2016,16(11):1920.
APA Deng, Chao,Mao, Yao,&Ren, Ge.(2016).MEMS inertial sensors-based multi-loop control enhanced by disturbance observation and compensation for fast steering mirror system.Sensors (Switzerland),16(11),1920.
MLA Deng, Chao,et al."MEMS inertial sensors-based multi-loop control enhanced by disturbance observation and compensation for fast steering mirror system".Sensors (Switzerland) 16.11(2016):1920.
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