基于紫外敏感器和星敏感器的卫星自主导航

Abstract

Abstract: An autonomous orbit determination method based on ultraviolet sensors and star sensors is presented．The accuracy of the measurements of the geocentric vector plays a key role in satellite navigation，but it is affected by the earth oblateness．With the earth oblateness taken into account，simulations are used todetermine the effect of the earth oblateness on the geocentric vector，and a compensation process based on satellite attitudes is proposed．The results show that the compensation process has high accuracy and can improve navigation accuracy effectively．

Key words:

font-family:Calibri, sans-serif, "> font-family:宋体, ：">：autonomous navigation">autonomous navigationfont-family:宋体, ')">">, geocentric vector"> geocentric vectorfont-family:宋体, ')">">, earth oblateness">earth oblatenessfont-family:宋体, ')">">, "> font-family:Calibri, sans-serif, satellite attitude">satellite attitude')">">

CLC Number:

V448

GUAN Yuexin, WEI Chunling, . Satellites Autonomous Navigation Based on Ultraviolet Sensors and Star Sensors[J].Aerospace Contrd and Application, 2008, 34(3): 37-41.

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/ / Recommend ：autonomous navigation； geocentric vector；earth oblateness；
satellite attitude”. Please open it by linking:http://journal01.magtech.org.cn/Jwk3_kjkzjs/EN/abstract/abstract9406.shtml" name="neirong"> ：autonomous navigation； geocentric vector；earth oblateness；
satellite attitude">

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Satellites Autonomous Navigation Based on Ultraviolet Sensors and Star Sensors

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