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Department光电工程总体研究室(一室)
Feedforward Control Based on Error and Disturbance Observation for the CCD and Fiber-Optic Gyroscope-Based Mobile Optoelectronic Tracking System
Yong Luo1,2,3; Wei Ren1,2,3; Yongmei Huang1,2; Qiunong He1,2,3; Qiongyan Wu1,2; Xi Zhou1,2; Yao Mao1,2
Source PublicationELECTRONICS
Volume7Issue:10Pages:223
2018-10-01
Language英语
ISSN2079-9292
DOI10.3390/electronics7100223
Indexed BySCI
WOS IDWOS:000448544900015
SubtypeJ
AbstractIn the mobile optoelectronic tracking system (MOTS) based on charge-coupled device (CCD) and fiber-optic gyroscope (FOG), the tracking performance (TP) and anti-disturbance ability (ADA) characterized by boresight error are of equal importance. Generally, the position tracking loop, limited by the image integration time of CCD, would be subject to a non-negligible delay and low-sampling rate, which could not minimize the boresight error. Although the FOG-based velocity loop could enhance the ADA of the system, it is still insufficient in the case of some uncertain disturbances. In this paper, a feedforward control method based on the results of error and disturbance observation was proposed. The error observer (EOB) based on the CCD data and model output essentially combined the low-frequency tracking feedforward and closed-loop disturbance observer (DOB), which could simultaneously enhance the low-frequency TP and ADA. In addition, in view of the poor low-frequency performance of the FOG due to drift and noise that may result in the inaccuracy of the observed low-frequency disturbance, the FOG-based DOB was used to improve the relatively high-frequency ADA. The proposed method could make EOB and DOB complementary and help to obtain a high-precision MOTS, for in practical engineering, we give more attention to the low-frequency TP and full-band ADA. Simulations and experiments demonstrated that the proposed method was valid and had a much better performance than the traditional velocity and position double-loop control (VPDC).
Keywordfeedforward control mobile optoelectronic tracking system error observer disturbance observer tracking performance anti-disturbance ability model reference
WOS KeywordFILTERS ; MIRROR
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/9275
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
Yong Luo,Wei Ren,Yongmei Huang,et al. Feedforward Control Based on Error and Disturbance Observation for the CCD and Fiber-Optic Gyroscope-Based Mobile Optoelectronic Tracking System[J]. ELECTRONICS,2018,7(10):223.
APA Yong Luo.,Wei Ren.,Yongmei Huang.,Qiunong He.,Qiongyan Wu.,...&Yao Mao.(2018).Feedforward Control Based on Error and Disturbance Observation for the CCD and Fiber-Optic Gyroscope-Based Mobile Optoelectronic Tracking System.ELECTRONICS,7(10),223.
MLA Yong Luo,et al."Feedforward Control Based on Error and Disturbance Observation for the CCD and Fiber-Optic Gyroscope-Based Mobile Optoelectronic Tracking System".ELECTRONICS 7.10(2018):223.
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