Study on Increasing Update Data Rate of Star Sensor

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Study on Increasing Update Data Rate of Star Sensor

Article | 更新时间：2020-08-12

- Study on Increasing Update Data Rate of Star Sensor
- Optics and Precision Engineering Vol. 17, Issue 9, Pages: 2230-2235(2009)
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- Received：31 July 2008，
  
  Revised：12 November 2008，
  
  Published Online：25 September 2009，
  
  Published：25 September 2009
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钟红军,杨孟飞,卢欣. 流水线并行处理提高星敏感器数据更新率[J]. 光学精密工程, 2009,17(9):2230-2235

Study on Increasing Update Data Rate of Star Sensor[J]. Optics and precision engineering, 2009, 17(9): 2230-2235.
钟红军,杨孟飞,卢欣. 流水线并行处理提高星敏感器数据更新率[J]. 光学精密工程, 2009,17(9):2230-2235 DOI：

Study on Increasing Update Data Rate of Star Sensor[J]. Optics and precision engineering, 2009, 17(9): 2230-2235. DOI：

摘要

星敏感器是当前广泛应用于航天器姿态测量的高精度光学姿态敏感器。小型化、低功耗、高精度、高数据更新速率是现阶段星敏感器发展的共同特点。本文介绍了星敏感器数据更新时间的组成；着重介绍了流水线并行处理机制提高星敏感器数据更新率的方法，并给出了串行工作机制、二级流水线机制、三级流水线机制在星敏感器中实现结果。最后介绍了多星敏探头和软件插值等提高数据更新率的方法。

Abstract

Star sensor is the high precision optical sensor which is widely used in attitude measurement of the spacecraft nowadays. Low volume

low power consumption

high precision and high update rate are common features of the development of star sensor. In this paper

the composition of update time is presented

and the parallel processing mechanisms using pipelining method are analyzed emphatically. In addition

the sequential mode

two and three cycles pipelining mode are realized on the engineering prototype and the comparison of three actual realization results are given. Finally

multi-head star sensor method and software interpolation method for increasing update rate of the star sensor are introduced.

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Related Institution

Beijing Institute of Aerospace Control Devices

Dalian University of Technology，Key Laboratory for Micro/Nano Technology and System of Liaoning Province

Dalian University of Technology，State Key Laboratory of High-performance Precision Manufacturing

Key Laboratory of Lunar and Deep Space Exploration， Chinese Academy of Sciences

Changchun Institute of Optics，Fine Mechanics and Physics，Chinese Academy of Sciences

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