Output feedback model predictive control of spacecrafts based on proportional-integral observer

IF 3.2 Q2 AUTOMATION & CONTROL SYSTEMS Systems Science & Control Engineering Pub Date : 2022-03-06 DOI:10.1080/21642583.2022.2045644
Weiqiang Tang
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引用次数: 3

Abstract

A novel attitude control algorithm is developed for spacecrafts based on the model predictive control and proportional-integral observer (PIO) in the presence of constraints. The high dimensional nonlinear dynamics are firstly transformed into three single-input single-output linear structural subsystems with coupled actions. Then these actions are viewed as disturbances estimated by the PIOs, and their values are embedded into the models to improve the accuracy of prediction. The predictive controller is composed of the analytical solution and the heuristic constraint handling. In addition, the angular position information is only needed for implementation. Finally, several simulations are used to verify the effectiveness of the developed algorithm. The results show that the designed system compensates the coupled actions well and makes the attitude control performance good.
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基于比例积分观测器的航天器输出反馈模型预测控制
提出了一种基于模型预测控制和存在约束条件的比例积分观测器的航天器姿态控制算法。首先将高维非线性动力学转化为具有耦合作用的三个单输入单输出线性结构子系统。然后将这些动作视为pio估计的干扰,并将其值嵌入到模型中以提高预测的准确性。该预测控制器由解析解和启发式约束处理两部分组成。此外,仅在实现时才需要角度位置信息。最后,通过仿真验证了算法的有效性。结果表明,所设计的系统能很好地补偿耦合作用,使姿态控制性能良好。
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来源期刊
Systems Science & Control Engineering
Systems Science & Control Engineering AUTOMATION & CONTROL SYSTEMS-
CiteScore
9.50
自引率
2.40%
发文量
70
审稿时长
29 weeks
期刊介绍: Systems Science & Control Engineering is a world-leading fully open access journal covering all areas of theoretical and applied systems science and control engineering. The journal encourages the submission of original articles, reviews and short communications in areas including, but not limited to: · artificial intelligence · complex systems · complex networks · control theory · control applications · cybernetics · dynamical systems theory · operations research · systems biology · systems dynamics · systems ecology · systems engineering · systems psychology · systems theory
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