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基于地磁传感器与陀螺仪的姿态测量法 被引量:6

Attitude Measurement Based on Magnetometer and MEMS Gyroscope
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摘要 姿态测量系统是火箭弹简易制导领域不可或缺的一部分。文中基于地磁传感器与MEMS陀螺仪的姿态测量系统,对传统单点姿态测量方法进行了研究与改进。以MEMS陀螺仪解算所得的偏航角作为三轴地磁传感器输入,推导了姿态角测量方法。针对姿态测量方法,设计了三轴地磁传感器姿态测量模块,在三轴旋转平台上进行了半实物仿真实验。实验结果表明,改进后的方法可以满足火箭弹姿态解算,提高了姿态角解算精度。 Attitude measurement system is an indispensable part of rocket simple guidance field .Based on magnetometer and MEMS gyro-scope , traditional single-point attitude measuring method was studied and improved .Yaw angle solved by MEMS gyroscope was taken as in-put of three-axis magnetometer for measuring attitude angle .In view of the attitude measurement method , a three-axis magnetometer meas-uring system was designed and semi-physical simulation experiments were carried out on three-axis rotation platform .The results show that the improved method can satisfy missile attitude algorithm and the precision is improved .
机构地区 南京理工大学
出处 《弹箭与制导学报》 CSCD 北大核心 2016年第2期143-146,共4页 Journal of Projectiles,Rockets,Missiles and Guidance
基金 南京理工大学自主科研专项计划项目(ZDJH02)资助
关键词 姿态测量 地磁传感器 MEMS陀螺仪 半实物仿真 attitude measurement magnetometer MEMS gyroscope semi-physical simulation
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