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Department光电工程总体研究室(一室)
Error-based Feedforward Control For a Charge-Coupled Device Tracking System
Tang, Tao1; Yang, Tao2; Qi, Bo3; Ren, Ge4; Bao, Q.Liang5
Source PublicationIEEE Transactions on Industrial Electronics
Pages025104
2018
Language英语
ISSN0278-0046
DOI10.1109/TIE.2018.2884239
Indexed ByEi
EI Accession Number20185006241894
SubtypeJ
AbstractHigh control bandwidth is usually restricted in a finite sampling rate of a charge-coupled device (CCD)-based tracking loop, which hinders a good closed-loop performance. Conventionally, a rate feedforward controller is usually used to improve the control performance; however, it is restricted by the LOS rate, which is required to be estimated due to only line of sight (LOS) error available in the CCD-based tracking control system. Besides that, it is also affected by the inverse of the control model. A new Error-based Feedforward (EBF) control mode is proposed to overcome these difficulties. Due to being plugged into an existing feedback control loop, the closed-loop performance of the CCD-based control system can be minimized by optimizing Q-filter. The closed-loop stability and robustness with this EBF control system are investigated on the condition of gain margin and phase margin of the open-loop transfer function. Furthermore, this paper proposes a new criteria to enhance the robustness of the EBF control system, and reveals the sensitivity function property. Because of not being restricted by an accurate model, this new feedforward controller cannot lead to a compromise between error attenuation and noise propagation in the control loop. Simulations and experiments are both used to testify the effectiveness of the improved control mode. IEEE
KeywordCharge coupled devices Closed loop control systems Controllers Errors Robustness (control systems) Tracking (position)
EI KeywordsCharge coupled devices ; Closed loop control systems ; Controllers ; Errors ; Robustness (control systems) ; Tracking (position)
EI Classification Number714.2 Semiconductor Devices and Integrated Circuits ; 731 Automatic Control Principles and Applications ; 731.1 Control Systems ; 732.1 Control Equipment
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/9376
Collection光电工程总体研究室(一室)
Affiliation1.Institute of Optics and Electronics.CAS, China (e-mail: prettang@gmail.com);
2.Institute of Optics and Electronics Chinese Academy of Sciences, 74709 Chengdu, Sichuan China (e-mail: Yangtao@gmail.com);
3.Institute of Optics and Electronics Chinese Academy of Sciences, 74709 Chengdu, Sichuan China (e-mail: qibo@gmail.com);
4.Institute of Optics and Electronics Chinese Academy of Sciences, 74709 Chengdu, Sichuan China (e-mail: renge@gmail.com);
5.Institute of Optics and Electronics Chinese Academy of Sciences, 74709 Chengdu, Sichuan China (e-mail: Bqliang@gmail.com)
Recommended Citation
GB/T 7714
Tang, Tao,Yang, Tao,Qi, Bo,et al. Error-based Feedforward Control For a Charge-Coupled Device Tracking System[J]. IEEE Transactions on Industrial Electronics,2018:025104.
APA Tang, Tao,Yang, Tao,Qi, Bo,Ren, Ge,&Bao, Q.Liang.(2018).Error-based Feedforward Control For a Charge-Coupled Device Tracking System.IEEE Transactions on Industrial Electronics,025104.
MLA Tang, Tao,et al."Error-based Feedforward Control For a Charge-Coupled Device Tracking System".IEEE Transactions on Industrial Electronics (2018):025104.
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