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题名:
Combined line-of-sight error and angular position to generate feedforward control for a charge-coupled device-based tracking loop
作者: Tang, Tao1,2; Cai, Huaxiang1,2; Huang, Yongmei1,2; Ren, Ge1,2
刊名: Optical Engineering
出版日期: 2015
卷号: 54, 期号:10, 页码:105107
学科分类: Charge coupled devices - Closed loop control systems - Data fusion - Delay control systems - Errors - Frequency domain analysis - Kalman filters - Time delay
DOI: 10.1117/1.OE.54.10.105107
通讯作者: Tang, Tao
文章类型: 期刊论文
中文摘要: A feedforward control based on data fusion is proposed to enhance closed-loop performance. The target trajectory as the observed value of a Kalman filter is recovered by synthesizing line-of-sight error and angular position from the encoder. A Kalman filter based on a Singer acceleration model is employed to estimate the target velocity. In this control scheme, the control stability is influenced by the bandwidth of the Kalman filter and time misalignment. The transfer function of the Kalman filter in the frequency domain is built for analyzing the closed loop stability, which shows that the Kalman filter is the major factor that affects the control stability. The feedforward control proposed here is verified through simulations and experiments. © 2015 Society of Photo-Optical Instrumentation Engineers (SPIE).
英文摘要: A feedforward control based on data fusion is proposed to enhance closed-loop performance. The target trajectory as the observed value of a Kalman filter is recovered by synthesizing line-of-sight error and angular position from the encoder. A Kalman filter based on a Singer acceleration model is employed to estimate the target velocity. In this control scheme, the control stability is influenced by the bandwidth of the Kalman filter and time misalignment. The transfer function of the Kalman filter in the frequency domain is built for analyzing the closed loop stability, which shows that the Kalman filter is the major factor that affects the control stability. The feedforward control proposed here is verified through simulations and experiments. © 2015 Society of Photo-Optical Instrumentation Engineers (SPIE).
收录类别: SCI ; Ei
项目资助者: Promotion Association ; Chinese Academy of Science ; China scholarship council
语种: 英语
WOS记录号: WOS:000364220200035
ISSN号: 0091-3286
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/4170
Appears in Collections:光电工程总体研究室(一室)_期刊论文

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作者单位: 1. Chinese Academy of Sciences, Key Laboratory of Optical Engineering, Chengdu, China
2. Chinese Academy of Sciences, Institute of Optics and Electronics, Chengdu, China

Recommended Citation:
Tang, Tao,Cai, Huaxiang,Huang, Yongmei,et al. Combined line-of-sight error and angular position to generate feedforward control for a charge-coupled device-based tracking loop[J]. Optical Engineering,2015,54(10):105107.
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