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首页> 外文期刊>Space technology >3-AXIS MAGNETIC CONTROL WITH MULTIPLE ATTITUDE PROFILE CAPABILITIES IN THE PRISMA MISSION
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3-AXIS MAGNETIC CONTROL WITH MULTIPLE ATTITUDE PROFILE CAPABILITIES IN THE PRISMA MISSION

机译：PRIMIS任务中具有多姿态配置文件功能的3-AXIS磁控制

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摘要

This paper presents an approach for magnetic only attitude control on a Low Earth Orbit. The specific application is the PRISMA mission. PRISMA will implement Guidance, Navigation and Control strategies for advanced formation flying and rendezvous experiments. The mission is a test bed that consists of two spacecraft called MAIN and TARGET, where TARGET will be the reference satellite for the experiments performed by MAIN. The TARGET 3-axis attitude control design meets two main challenges. On the one hand, it is controlled with magnetic torque rods only, with neither additional momentum wheel nor gravity gradient boom. On the other hand, operations are not limited to follow the local orbital frame but also multiple attitude references. It shall have a robust and efficient safe mode, a zenith or sun pointing mode, as well as a tumbling mode, mimicking a non cooperative spacecraft. This paper presents the approach retained for magnetic attitude control of the TARGET spacecraft in order to fulfil the mission requirements. It details the attitude estimation, guidance and control algorithms, and describes the way it has been implemented in the PRISMA mission. Simulation results are presented to validate the technical choices and evaluate the whole attitude control system performance.
机译：本文提出了一种在低地球轨道上仅进行磁性姿态控制的方法。具体应用是PRISMA任务。 PRISMA将为高级编队飞行和交会实验实施制导，导航和控制策略。该任务是一个试验台，由两个称为MAIN和TARGET的航天器组成，其中TARGET将是MAIN进行的实验的参考卫星。 TARGET 3轴姿态控制设计面临两个主要挑战。一方面，它仅由磁性扭矩杆控制，既没有附加的动量轮也没有重力梯度动臂。另一方面，操作不限于遵循局部轨道框架，还可以遵循多个姿态参考。它应具有模仿非合作航天器的鲁棒且有效的安全模式，天顶或指向太阳的模式以及翻滚模式。本文介绍了为满足任务要求而保留的TARGET航天器磁姿态控制方法。它详细介绍了姿态估计，制导和控制算法，并描述了在PRISMA任务中已实现的方法。仿真结果表明，可以验证技术选择并评估整个姿态控制系统的性能。

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