摘要
红外地球敏感器作为检测地球矢量方位角的一种光学敏感器,是卫星实现姿态测量和控制的重要仪器.针对低轨道卫星(300~1600 km)应用需求,设计了一种面阵三视场静态红外地球敏感器,使用3个面阵红外探测器实现对三段地球红外辐射圈的位置测量,采用单片机80C32+FPGA的低成本、低功耗、小型化的设计方案,通过计算地球边缘的空间向量获得地心矢量.实验结果表明,姿态角随机误差标准差小于0.06°.
As an optical sensor to measure the attitude angle of earth, infrared earth sensor is an important instrument for satellite attitude measurement and control. An array triple-FOV micro static infrared earth sensor is proposed and designed for LEO satellites(300~1600 km). Three sections of earth’s infrared radiation circle position are measured via three array infrared detectors. A design scheme with low cost, low power, miniaturized is adopted by using 80 C32 and FPGA. Earth center vector is calculated via the vector product of earth edge points. Experiment results verify that the attitude random error of proposed infrared earth sensor is less than 0.06°.
作者
王伟华
盖芳钦
周昊
陈树琪
田信灵
张朋
张海力
杨颖
WANG Weihua;GAI Fangqing;ZHOU Hao;CHEN Shuqi;TIAN Xinling;ZHANG Peng;ZHANG Haili;YANG Ying(Beijing Institute of Control Engineering,Beijing 100190,China)
出处
《空间控制技术与应用》
CSCD
北大核心
2022年第1期38-43,共6页
Aerospace Control and Application
基金
科技部智能传感器专项资助项目(2021YFB3203100)。
关键词
红外地球敏感器
焦平面
红外探测器
三视场
地心矢量
infrared earth sensor
focal plane
infrared detector
triple-FOV
earth center vector
