Constrained Model Predictive Control of spacecraft attitude with reaction wheels desaturation
Constrained Model Predictive Control of spacecraft attitude with reaction wheels desaturation
复制标题
反作用轮去饱和航天器姿态的约束模型预测控制
DOI：
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发表时间：
2015
期刊：
影响因子：
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通讯作者：
A. Bemporad
中科院分区：
文献类型：
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作者：
A. Guiggiani;I. Kolmanovsky;Panagiotis Patrinos;A. Bemporad
本文提出了一种模型预测控制器，用于带反作用轮执行机构的航天器姿态跟踪。该控制器设计用于反作用轮的去饱和。与依赖于推进器激活的标准去饱和技术相比，所提出的策略不需要消耗燃料，因为它利用来自重力梯度和/或地球磁场的外部扭矩。该控制器还保证航天器的姿态在去饱和期间被约束在指定的范围内。
In this paper we propose a Model Predictive Controller for spacecraft attitude tracking with reaction wheel actuators. The controller is designed for desaturation of the reaction wheels. In contrast with standard desaturation techniques, which rely on the activation of thrusters, the proposed strategy does not need to consume fuel as it exploits external torques derived from gravity gradients and/or the Earth magnetic field. The controller also guarantees that the spacecraft attitude is constrained within specified bounds during desaturation.