| 根据同时观测信息确定航天器
姿态四元数的一种解析方法 |
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| 引用本文： | 范奎武,郭超.根据同时观测信息确定航天器
姿态四元数的一种解析方法[J].导航与控制,2017,16(4):55-59. |
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| 作者姓名： | 范奎武 郭超 |
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| 作者单位： | 海军驻航天一院代表室,北京,100076 |
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| 摘 要： | 介绍根据星敏感器同时观测几颗恒星的方向信息,用最小二乘法确定飞行器姿态的经典Wehba问题.针对用四元数描述飞行器姿态的情况,推导了的一种解析算法.观测5颗恒星实例的仿真结果表明,该算法能保证飞行器体轴系相对惯性系姿态的高精度.
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| 关 键 词： | 航天器 姿态 四元数 星敏感器 算法 |
Determination of Quaternion of the Spacecraft Attitude by the
Vector Measurements Taken in One and the Same Moment of Time |
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| FAN Kui-wu and GUO Chao.Determination of Quaternion of the Spacecraft Attitude by the
Vector Measurements Taken in One and the Same Moment of Time[J].Navigation and Control,2017,16(4):55-59. |
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| Authors: | FAN Kui-wu and GUO Chao |
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| Institution: | Representatives Office of Navy of CALT,Beijing 100076 and Representatives Office of Navy of CALT,Beijing 100076 |
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| Abstract: | This paper introduces the direction of information based on the star sensor observes a few fixed stars, with the least square method to determine the attitude of the classic Wehba''s problem. With quaternion to describe the aircraft attitude, an analytical algorithm is derived. Simulation result which observes fixed stars show that the algorithm can ensure the high accuracy of the aircraft body axis relative inertial attitude |
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| Keywords: | spacecraft attitude quaternion star sensor algorithm |
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