Star sensor is an important part of the attitude control of spacecraft. Based on the homemade anti-radiation CMOS APS chip and SoPC control chip, the optical and electrical system of a miniature star sensor is designed, and finally the miniaturization and localization of star sensor are realized. In order to develop a homemade miniaturized star sensor as the breakthrough point, the key technical issues of its parameter design, system construction and performance are studied. The developed star sensor eventually meets the expected design, and can complete the basic functions.%星敏感器是航天飞行器姿态控制的重要组成部件.基于国产抗辐射CMOS APS芯片和SoPC控制芯片,设计一款微小型星敏感器的光学及电学系统,最终实现星敏感器的小型化、国产化.以研制一台国产化微小型化星敏感器作为切入点,研究其参数的设计、系统的构建、使用性能等关键技术问题.最终研制的星敏感器符合预期设计,能够完成基本功能.
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