Error-based Feedforward Control For a Charge-Coupled Device Tracking System

doi:10.1109/TIE.2018.2884239

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	Error-based Feedforward Control For a Charge-Coupled Device Tracking System
	Tang, Tao 1; Yang, Tao 2; Qi, Bo 3; Ren, Ge 4; Bao, Q.Liang 5
刊名	IEEE Transactions on Industrial Electronics
	2018
页码	025104
关键词	Charge coupled devices Closed loop control systems Controllers Errors Robustness (control systems) Tracking (position)
ISSN号	0278-0046
DOI	10.1109/TIE.2018.2884239
文献子类	J
英文摘要	High 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
语种	英语
内容类型	期刊论文
源URL	[http://ir.ioe.ac.cn/handle/181551/9376]
专题	光电技术研究所_光电工程总体研究室（一室）
作者单位	1.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)
推荐引用方式 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.