| 适用于星敏感器的星跟踪算法研究 |
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| 引用本文： | 蒋明, 来逢昌, 叶以正, 李葆华,.适用于星敏感器的星跟踪算法研究[J].电子器件,2009,32(2). |
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| 作者姓名： | 蒋明 来逢昌 叶以正 李葆华 |
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| 作者单位： | 1. 哈尔滨工业大学微电子中心,哈尔滨,150001
2. 哈尔滨工业大学空间控制与惯性技术研究中心,哈尔滨,150001 |
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| 基金项目： | 国家重点基础研究发展规划(973计划) |
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| 摘 要： | 为了解决全天球识别中星像坐标提取速度慢的问题,提高空间飞行器姿态确定的实时性,提出了一种新的星跟踪算法.该算法根据星敏感器在一次全天球识别后能够获得一定先验信息的特点,利用星敏感器在上一时刻采集的星图中已识别观测星的信息来获取星敏感器下一时刻采集的星图中待识别观测星的信息.仿真结果表明该算法不但提高了星像坐标提取的速度.也由此提高了星敏感器的姿态更新率,从而避免了由于全天球识别导致的误匹配.
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| 关 键 词： | 星敏感器 星图 星跟踪算法 星像坐标提取 姿态更新率 |
Research on Star Tracking Algorithm Suitable for Star Sensor |
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| JIANG Ming,LAI Feng-chang,YE Yi-zheng,LI Bao-hua.Research on Star Tracking Algorithm Suitable for Star Sensor[J].Journal of Electron Devices,2009,32(2). |
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| Authors: | JIANG Ming LAI Feng-chang YE Yi-zheng LI Bao-hua |
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| Affiliation: | JIANG Ming1*,LAI Feng-chang1,YE Yi-zheng1,LI Bao-hua21.Microelectronics Center,Harbin Institute of Technology,Harbin 150001,China,2.Space Control , Inertial Technology Research Center |
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| Abstract: | A novel star tracking algorithm is presented to solve the problem of obtaining location of star slowly in the course of Lost-in-Space case,as well as reducing the time spent in calculating the attitude of spacecraft.The knowledge of recognized stars in previous star image could be used to obtain the knowledge of observed star in current star image with the star tracking algorithm based on the fact that the sufficient attitude knowledge including location of recognized stars in star image could be obtained b... |
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| Keywords: | star sensor star image star tracking algorithm obtaining location of star update rate of attitude |
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