High precision sun-tracking of spaceborne solar irradiance monitor

YANG Dong-jun; FANG Wei; YE Xin; SONG Bao-qi

doi:10.3788/OPE.20142209.2483

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High precision sun-tracking of spaceborne solar irradiance monitor

更新时间：2020-08-13

- High precision sun-tracking of spaceborne solar irradiance monitor
- Optics and Precision Engineering Vol. 22, Issue 9, Pages: 2483-2490(2014)
- 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：
- DOI：10.3788/OPE.20142209.2483
  CLC： P182.2
- Received：05 March 2014，
  
  Revised：02 April 2014，
  
  Published：2014
- 稿件说明：
移动端阅览
杨东军, 方伟, 叶新等. 星载太阳辐射监测仪的高精度太阳跟踪[J]. 光学精密工程, 2014,22(9): 2483-2490

YANG Dong-jun, FANG Wei, YE Xin etc. High precision sun-tracking of spaceborne solar irradiance monitor[J]. Editorial Office of Optics and Precision Engineering, 2014,22(9): 2483-2490
杨东军, 方伟, 叶新等. 星载太阳辐射监测仪的高精度太阳跟踪[J]. 光学精密工程, 2014,22(9): 2483-2490 DOI： 10.3788/OPE.20142209.2483.

YANG Dong-jun, FANG Wei, YE Xin etc. High precision sun-tracking of spaceborne solar irradiance monitor[J]. Editorial Office of Optics and Precision Engineering, 2014,22(9): 2483-2490 DOI： 10.3788/OPE.20142209.2483.

摘要

由于FY-3（01）星和FY-3（02）星宽视场扫描式太阳辐射监测仪（SIM）测量时间短、精度低，本文利用FY-3（03）星SIM实现了太阳的高精度跟踪测量。首先，分析了SIM太阳跟踪精度指标、跟踪转动范围，测试并确定了数字太阳敏感器（DSS）的视场范围、频率、分辨率，标定了DSS在轨像面辐照度。为消除跟踪抖动现象，分析测试了控制时间间隔和跟踪精度的关系，确定了理想控制时间间隔为500 ms。外场和在轨实验结果表明，SIM太阳跟踪精度优于0.1，俯仰在轨跟踪精度为0.029，偏航在轨跟踪精度为0.025，原始太阳总辐照度（TSI）值为1 353.1 W/m

。另外，DSS太阳指向精确，跟踪控制可靠，大幅增加了TSI监测时间。FY-3（03）星SIM在太阳同步轨道卫星上实现了TSI的太阳跟踪测量，跟踪精度是国际空间站（ISS）同类载荷CPD跟踪精度的10倍。

Abstract

As wide-field scanning solar irradiance monitors (SIMs) on the FY-3(01) satellite and FY-3(02) satellite have short measuring time and low accuracy

the high precision sun-tracking measurement of the SIM on the FY-3(03) satellite was explored. Firstly

the sun-tracking accuracy and the rotation angle of the SIM were analyzed

the field of view

frequency and the resolution of the Digital Sun Sensor (DSS) were tested and determined

and the on-orbit image irradiance of the DSS was calibrated. In order to eliminate the jitter tracking

the relationship between the control interval and the tracking accuracy was analyzed

and the ideal control interval was determined to be 500 ms. The experiment on ground and on-orbit show that the sun-tracking accuracy of SIM is better than 0.1

the pitch on-orbit tracking accuracy

yaw on-orbit tracking accuracy are 0.029 and 0.025

respectively

and the original TSI value measured successfully by the SIM is 1 353.1 W/m

. Moreover

the DSS shows an accurate sun pointing and reliable sun-tracking control

by which the measurement time of TSI is increased significantly. The experiment shows that the SIM on the FY-3(03) satellite implements the sun-tracking measurement on the sun synchronous satellite

and the tracking accuracy is about 10 times that of the similar payload CPD on International Space Station (ISS).

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references

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Related Author

SONG Bao-qi

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FANG Wei

YE Xin

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FANG Wei

WANG Kai

YE Xin

Related Institution

Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

State Key Laboratory of Applied Optics,Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033,China

Graduate School of the Chinese Academy of Science

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