卫星姿态四元数的连续化方法及姿态控制算法研究  

The Algorithm of Continuous Quaternion and Attitude Control of Satellite

作　　者：刘善伍[1] 陈宏宇[1] 张学钢[1] Liu Shanwu Chen Hongyu Zhang Xuegang Shanghai(Engineering Center for Micro-satellite, Shanghai 200050, Chin)

机构地区：[1]上海微小卫星工程中心,上海200050

出　　处：《航天控制》2017年第3期30-33,39,共5页Aerospace Control

摘　　要：对无陀螺的微小卫星,提出了一种仅利用磁强计、太阳敏感器作为定姿部件的改进双矢量定姿算法,该算法解决了四元数输出跳变问题,基于该定姿算法确定的连续四元数设计了具有滤波功能的卫星姿态控制算法。仿真结果表明,该算法可保障卫星在任意初始状态下的姿态稳定,提高了可靠性、安全性,具有良好的工程应用前景。The modified attitude determination algorithm with only sun sensor and magnetometer for satel- lite without gyro is proposed. This algorithm solves the problem of un-sequential quaternion, and attitude control algorithm with filter based sequential quaternion is designed. The simulation results indicate that at- titude is stable and efficiently adjusted by using the control method proposed, whatever initial state is, and it greatly improve the reliability of satellite. It promises the fair good application in engineering.

关 键 词：姿态确定 姿态控制 四元数 微小卫星 

分 类 号：V412[航空宇航科学与技术—航空宇航推进理论与工程]