基于压电偏转系统的卫星平台振动补偿

韩诚山; 李祥之; 文明; 赵庆磊; 姜肖楠

doi:10.3788/OPE.20111909.2085

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基于压电偏转系统的卫星平台振动补偿

微纳技术与精密机械 | 更新时间：2020-08-12

- 基于压电偏转系统的卫星平台振动补偿
- Vibration compensation of satellite platform based on piezo-electric steering system
- 光学精密工程 2011年19卷第9期页码：2085-2091
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
- 作者简介：
- 基金信息：
  
  长江学者和创新团队发展计划资助项目(No. IRT0520)()
- DOI：10.3788/OPE.20111909.2085
  中图分类号： TN929.1;V476.5
- 收稿日期：2010-12-02，
  
  修回日期：2011-02-15，
  
  网络出版日期：2011-09-26，
  
  纸质出版日期：2011-09-26
- 稿件说明：
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韩诚山, 李祥之, 文明, 赵庆磊, 姜肖楠. 基于压电偏转系统的卫星平台振动补偿[J]. 光学精密工程, 2011,19(9): 2085-2091

HAN Cheng-shan, LI Xiang-zhi, WEN Ming, ZHAO Qing-lei, JIANG Xiao-nan. Vibration compensation of satellite platform based on piezo-electric steering system[J]. Editorial Office of Optics and Precision Engineering, 2011,19(9): 2085-2091
韩诚山, 李祥之, 文明, 赵庆磊, 姜肖楠. 基于压电偏转系统的卫星平台振动补偿[J]. 光学精密工程, 2011,19(9): 2085-2091 DOI： 10.3788/OPE.20111909.2085.

HAN Cheng-shan, LI Xiang-zhi, WEN Ming, ZHAO Qing-lei, JIANG Xiao-nan. Vibration compensation of satellite platform based on piezo-electric steering system[J]. Editorial Office of Optics and Precision Engineering, 2011,19(9): 2085-2091 DOI： 10.3788/OPE.20111909.2085.

摘要

针对卫星平台振动严重影响空间光通信跟瞄精度的问题

提出了基于压电偏转控制系统的扰动补偿方案。建立了压电偏转系统的数学模型

设计了基于改进型最小均方根(LMS)滤波算法的自适应控制器

分析了最优步长选择的影响因素。针对输入信号的相位延迟问题

设计了自适应延迟滤波器

不仅有效地补偿了相位延迟

还可通过自适应调节输入信号相位

在不增加步长的前提下提高收敛速率。最后进行了实验验证

结果表明补偿后的残余误差仅为rad量级

补偿因子达85%以上

验证了补偿算法的有效性和可行性。

Abstract

A disturbance compensation scheme based on a piezo-electric steering control system was presented

for the vibration of a satellite platform seriously impacted the tracking and pointing accuracy in space optical communication. A mathematical model for the piezo-electric steering system was built. Then

an adaptive controller based on an improved Least Mean Square(LMS) filter was designed

and effect factors on optimal step length choices were analyzed. For the problem of signal phase delay

an adaptive delay filter was designed not only to compensate the phase delay

but also adaptively to adjust the input signal phase to increase its convergence rate without adding the step length. Finally

a verifying experiment was performed.The results show that the remained errors after compensation are rad magnitude and the compensation factor is over 85%.These results prove that this control scheme is valid and feasible.

关键词

Keywords

references

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