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Virtual velocity loop based on MEMS accelerometers for optical stabilization control system
Ren, Wei1,2,3; Deng, Chao1,2,3; Mao, Yao1,2; Ren, Ge1,2
Source PublicationOptical Engineering
Volume56Issue:8Pages:085101
2017
Language英语
ISSN0091-3286
AbstractIn the optical stabilization control system (OSCS) control system based on a charge-coupled device (CCD), stabilization performance of the line-of-sight is severely limited by the mechanical resonance and the low sampling rate of the CCD. An approach to improve the stabilization performance of the OSCS control system with load restriction based on three loops, including an acceleration loop, a virtual velocity loop, and a position loop, by using MEMS accelerometers and a CCD is proposed. The velocity signal is obtained by accelerators instead of gyro sensors. Its advantages are low power, low cost, small size, and wide measuring range. A detailed analysis is provided to show how to design the virtual velocity loop and correct virtual velocity loop drift. Experimental results show that the proposed multiloop feedback control method with virtual velocity loop in which the disturbance suppression performance is better than that of the dual loop control with only an acceleration loop and a position loop at low frequency. © 2017 Society of Photo-Optical Instrumentation Engineers (SPIE).
KeywordAccelerometers - Charge coupled devices - Control systems - Feedback control - Stabilization - Velocity
Indexed ByEi
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/8850
Collection光电工程总体研究室(一室)
Affiliation1.Chinese Academy of Sciences, Key Laboratory of Optical Engineering, Chengdu, China;
2.Chinese Academy of Sciences, Institute of Optics and Electronics, Chengdu, China;
3.University of Chinese Academy of Sciences, Beijing, China
Recommended Citation
GB/T 7714
Ren, Wei,Deng, Chao,Mao, Yao,et al. Virtual velocity loop based on MEMS accelerometers for optical stabilization control system[J]. Optical Engineering,2017,56(8):085101.
APA Ren, Wei,Deng, Chao,Mao, Yao,&Ren, Ge.(2017).Virtual velocity loop based on MEMS accelerometers for optical stabilization control system.Optical Engineering,56(8),085101.
MLA Ren, Wei,et al."Virtual velocity loop based on MEMS accelerometers for optical stabilization control system".Optical Engineering 56.8(2017):085101.
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