Star sensor model parametric analysis and calibration method study

Hong Tao Wang; Chang Zhou Luo; Yu Wang; Shu Fang Zhao

doi:10.3969/j.issn.1001-0548.2010.06.016

Star sensor model parametric analysis and calibration method study

Hong Tao Wang^*, Chang Zhou Luo, Yu Wang, Shu Fang Zhao

^*Corresponding author for this work

Research output: Contribution to journal › Journal Article › peer-review

13 Citations (Scopus)

Abstract

An actual measurement model of star sensor is established by geometrical method. The effect of relative factors to the actual imaging location of navigation star is considered into the ideal measurement model of star sensor. These factors include focal length deviation, optical lens distortion, image sensor tilt, image sensor rotate, primary point bias, etc. The affecting law of the factors on angle-measuring accuracy of star sensor is analyzed. The star sensor is calibrated through the measured calibration data and the model parameters solved by least square method. The experimental results show that the angle measurement accuracy of x and y directions is 1.6″ and 2.3″ after calibration, but 19.6″ and 17.8″ before calibration.

Original language	English
Pages (from-to)	880-885
Number of pages	6
Journal	Dianzi Keji Daxue Xuebao/Journal of the University of Electronic Science and Technology of China
Volume	39
Issue number	6
DOIs	https://doi.org/10.3969/j.issn.1001-0548.2010.06.016
Publication status	Published - Nov 2010
Externally published	Yes

Keywords

Calibration
Least-squares
Model
Star sensor

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10.3969/j.issn.1001-0548.2010.06.016

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title = "Star sensor model parametric analysis and calibration method study",

abstract = "An actual measurement model of star sensor is established by geometrical method. The effect of relative factors to the actual imaging location of navigation star is considered into the ideal measurement model of star sensor. These factors include focal length deviation, optical lens distortion, image sensor tilt, image sensor rotate, primary point bias, etc. The affecting law of the factors on angle-measuring accuracy of star sensor is analyzed. The star sensor is calibrated through the measured calibration data and the model parameters solved by least square method. The experimental results show that the angle measurement accuracy of x and y directions is 1.6″ and 2.3″ after calibration, but 19.6″ and 17.8″ before calibration.",

keywords = "Calibration, Least-squares, Model, Star sensor",

author = "Wang, \{Hong Tao\} and Luo, \{Chang Zhou\} and Yu Wang and Zhao, \{Shu Fang\}",

year = "2010",

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doi = "10.3969/j.issn.1001-0548.2010.06.016",

language = "English",

volume = "39",

pages = "880--885",

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issn = "1001-0548",

publisher = "University of Electronic Science and Technology of China",

number = "6",

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TY - JOUR

T1 - Star sensor model parametric analysis and calibration method study

AU - Wang, Hong Tao

AU - Luo, Chang Zhou

AU - Wang, Yu

AU - Zhao, Shu Fang

PY - 2010/11

Y1 - 2010/11

N2 - An actual measurement model of star sensor is established by geometrical method. The effect of relative factors to the actual imaging location of navigation star is considered into the ideal measurement model of star sensor. These factors include focal length deviation, optical lens distortion, image sensor tilt, image sensor rotate, primary point bias, etc. The affecting law of the factors on angle-measuring accuracy of star sensor is analyzed. The star sensor is calibrated through the measured calibration data and the model parameters solved by least square method. The experimental results show that the angle measurement accuracy of x and y directions is 1.6″ and 2.3″ after calibration, but 19.6″ and 17.8″ before calibration.

AB - An actual measurement model of star sensor is established by geometrical method. The effect of relative factors to the actual imaging location of navigation star is considered into the ideal measurement model of star sensor. These factors include focal length deviation, optical lens distortion, image sensor tilt, image sensor rotate, primary point bias, etc. The affecting law of the factors on angle-measuring accuracy of star sensor is analyzed. The star sensor is calibrated through the measured calibration data and the model parameters solved by least square method. The experimental results show that the angle measurement accuracy of x and y directions is 1.6″ and 2.3″ after calibration, but 19.6″ and 17.8″ before calibration.

KW - Calibration

KW - Least-squares

KW - Model

KW - Star sensor

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DO - 10.3969/j.issn.1001-0548.2010.06.016

M3 - Journal Article

AN - SCOPUS:78650005662

SN - 1001-0548

VL - 39

SP - 880

EP - 885

JO - Dianzi Keji Daxue Xuebao/Journal of the University of Electronic Science and Technology of China

JF - Dianzi Keji Daxue Xuebao/Journal of the University of Electronic Science and Technology of China

IS - 6

ER -

Star sensor model parametric analysis and calibration method study

Abstract

Keywords

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