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Department光电工程总体研究室(一室)
An acceleration feed-forward control method based on fusion of model output and sensor data
He, Qiunong1,2,3; Luo, Yong1,2,3; Mao, Yao1,2; Zhou, Xi1,2
Source PublicationSENSORS AND ACTUATORS A-PHYSICAL
Volume284Pages:186-193
2018-12-01
Language英语
ISSN0924-4247
DOI10.1016/j.sna.2018.10.031
Indexed BySCI ; Ei
WOS IDWOS:000452569800024
EI Accession Number20184406026922
SubtypeJ
AbstractIn this paper, to enhance the tracking ability of a charge-coupled device (CCD) and micro-electro-mechanical-system (MEMS) accelerometer based low-cost tracking control system, an acceleration feed-forward control method based on fusion of model output and sensor data is proposed. To achieve the acceleration feed-forward control, the target acceleration is fed into the traditional acceleration-position dual closed-loop. Considering the CCD can only detect the line-of-sight (LOS) error of the target, the double integration of accelerometer measurement is regarded as the platform's position and is combined with the LOS error to build the target trajectory. The target acceleration is predicted by a Kalman filter, in which the combined target trajectory is used as the observed value. However, the basic acceleration feed-forward control method fails to improve the tracking ability at low frequencies due to inaccuracy of the accelerometer measurement caused by drift and noise. To solve this problem, we further propose to calculate an acceleration using the system acceleration model, and then use this calculated acceleration to fuse with the measured acceleration to obtain a new acceleration. The new acceleration, which is more accurate than the original measured acceleration in low frequency, is utilized to rebuild the target trajectory and predict the target acceleration again. Experimental results confirm the effectiveness of the proposed method. (C) 2018 Elsevier B.V. All rights reserved.
KeywordTracking ability MEMS accelerometer Acceleration feed-forward Fusion of model and sensor
WOS KeywordDELAY COMPENSATION ; TRACKING
EI KeywordsAccelerometers ; Charge coupled devices ; MEMS ; Sensor data fusion ; Trajectories
EI Classification Number704.2 Electric Equipment ; 714.2 Semiconductor Devices and Integrated Circuits ; 723.2 Data Processing and Image Processing ; 943.1 Mechanical Instruments
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/9372
Collection光电工程总体研究室(一室)
Affiliation1.The Institute of Optics and Electronics, Chinese Academy of Science, Chengdu; 610209, China;
2.Key Laboratory of Optical Engineering, Chinese Academy of Science, Chengdu; 610209, China;
3.University of Chinese Academy of Science, Beijing; 100039, China
Recommended Citation
GB/T 7714
He, Qiunong,Luo, Yong,Mao, Yao,et al. An acceleration feed-forward control method based on fusion of model output and sensor data[J]. SENSORS AND ACTUATORS A-PHYSICAL,2018,284:186-193.
APA He, Qiunong,Luo, Yong,Mao, Yao,&Zhou, Xi.(2018).An acceleration feed-forward control method based on fusion of model output and sensor data.SENSORS AND ACTUATORS A-PHYSICAL,284,186-193.
MLA He, Qiunong,et al."An acceleration feed-forward control method based on fusion of model output and sensor data".SENSORS AND ACTUATORS A-PHYSICAL 284(2018):186-193.
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