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Multiple Fusion Based on the CCD and MEMS Accelerometer for the Low-Cost Multi-Loop Optoelectronic System Control
Luo, Yong1,2,3; Mao, Yao1,2; Ren, Wei1,2,3; Huang, Yongmei1,2; Deng, Chao1,2,3; Zhou, Xi1,2
Source PublicationSENSORS
Volume18Issue:7Pages:2153
2018-07-01
Language英语
ISSN1424-8220
DOI10.3390/s18072153
Indexed BySCI ; Ei
WOS IDWOS:000441334300175
EI Accession Number20182805546435
SubtypeJ
AbstractIn the charge-coupled device (CCD) and micro-electro-mechanical system (MEMS) accelerometer based low-cost multi-loop optoelectronic control system (OCS), due to accelerometers' drift and noise in low frequency, the disturbance suppression (DS) is insufficient. Previously, based on the acceleration and position dual-loop control (ADLC), researchers combined a disturbance observer (DOB) with a virtual velocity loop to make some medium-frequency DS exchange for low-frequency performance. However, it is not optimal because the classic DOB based on accelerometers' inaccurate signals cannot observe accurate disturbance in low frequency and the velocity based on a CCD and accelerometer time-domain fusion carried the CCD's delay, resulting in the drop of medium-frequency DS. In this paper, considering the CCD's advantage in low frequency and the accelerometer's strength in high frequency, we propose to fuse their signals twice with a modified complementary filter method to respectively acquire an acceleration and velocity. The new acceleration with no drift and less noise but lower bandwidth creates a new acceleration model and is only used in fusion DOB (FDOB), while the velocity with little delay is to build an additional velocity loop. Compared with the traditional DOB enhanced by the time-domain fusion velocity loop, experiments verify that the proposed multiple fusion would apparently enhance the system's DS, especially in low and medium frequency.
Keywordmultiple fusion the optoelectronic control system disturbance suppression low-cost disturbance observer virtual velocity loop
EI KeywordsAccelerometers ; Charge coupled devices ; Control systems ; Costs ; MEMS ; Optoelectronic devices
EI Classification Number704.2 Electric Equipment ; 714.2 Semiconductor Devices and Integrated Circuits ; 731.1 Control Systems ; 741.3 Optical Devices and Systems ; 911 Cost and Value Engineering ; Industrial Economics ; 943.1 Mechanical Instruments
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/9368
Collection光电工程总体研究室(一室)
Affiliation1.Institute of Optics and Electronics, Chinese Academy of Science, Chengdu; 610209, China;
2.Key Laboratory of Optical Engineering, Chinese Academy of Sciences, Chengdu; 610209, China;
3.University of Chinese Academy of Sciences, Beijing; 100039, China
Recommended Citation
GB/T 7714
Luo, Yong,Mao, Yao,Ren, Wei,et al. Multiple Fusion Based on the CCD and MEMS Accelerometer for the Low-Cost Multi-Loop Optoelectronic System Control[J]. SENSORS,2018,18(7):2153.
APA Luo, Yong,Mao, Yao,Ren, Wei,Huang, Yongmei,Deng, Chao,&Zhou, Xi.(2018).Multiple Fusion Based on the CCD and MEMS Accelerometer for the Low-Cost Multi-Loop Optoelectronic System Control.SENSORS,18(7),2153.
MLA Luo, Yong,et al."Multiple Fusion Based on the CCD and MEMS Accelerometer for the Low-Cost Multi-Loop Optoelectronic System Control".SENSORS 18.7(2018):2153.
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