Predictive sliding mode control for flexible spacecraft attitude tracking with multiple disturbances

IF 5.4 2区计算机科学 Q1 AUTOMATION & CONTROL SYSTEMS Control Engineering Practice Pub Date : 2024-11-16 DOI:10.1016/j.conengprac.2024.106160

Quan-Zhi Liu, Liu Zhang, Yang Xiao, Le Zhang, Guo-Wei Fan

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Abstract

This study addresses the challenge of achieving high-precision attitude control in flexible spacecraft subjected to multiple disturbances (MD). A predictive sliding mode (PSM) control method is proposed to tackle this issue. First, a second-order fully actuated (SOFA) system model for the attitude control of flexible spacecraft is established. Subsequently, sliding mode variables are introduced to enhance the robustness of the closed-loop system. Then, a Diophantine equation and sliding mode variables are applied to establish an incremental second-order fully actuated (ISOFA) sliding mode predictive model. A sliding mode reference is designed using a double power function to eliminate jitter. Based on the designed sliding mode predictive model, the multi-step ahead predictions are developed to optimize attitude tracking performance and suppress MD. Furthermore, the control performance and stability of the system are analyzed. Finally, a series of simulation results demonstrate the effectiveness of the proposed method.

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预测性滑动模式控制用于具有多重干扰的灵活航天器姿态跟踪

本研究探讨了在受多重干扰（MD）影响的柔性航天器中实现高精度姿态控制的难题。针对这一问题，提出了一种预测滑动模态（PSM）控制方法。首先，建立了用于柔性航天器姿态控制的二阶全致动（SOFA）系统模型。随后，引入滑模变量以增强闭环系统的鲁棒性。然后，应用 Diophantine 方程和滑动模式变量建立了增量二阶全致动（ISOFA）滑动模式预测模型。使用双幂函数设计滑动模式参考，以消除抖动。基于所设计的滑模预测模型，开发了多步超前预测，以优化姿态跟踪性能并抑制 MD。此外，还分析了系统的控制性能和稳定性。最后，一系列仿真结果证明了所提方法的有效性。

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来源期刊

Control Engineering Practice 工程技术-工程：电子与电气

CiteScore

9.20

自引率

12.20%

发文量

183

审稿时长

44 days

期刊介绍： Control Engineering Practice strives to meet the needs of industrial practitioners and industrially related academics and researchers. It publishes papers which illustrate the direct application of control theory and its supporting tools in all possible areas of automation. As a result, the journal only contains papers which can be considered to have made significant contributions to the application of advanced control techniques. It is normally expected that practical results should be included, but where simulation only studies are available, it is necessary to demonstrate that the simulation model is representative of a genuine application. Strictly theoretical papers will find a more appropriate home in Control Engineering Practice''s sister publication, Automatica. It is also expected that papers are innovative with respect to the state of the art and are sufficiently detailed for a reader to be able to duplicate the main results of the paper (supplementary material, including datasets, tables, code and any relevant interactive material can be made available and downloaded from the website). The benefits of the presented methods must be made very clear and the new techniques must be compared and contrasted with results obtained using existing methods. Moreover, a thorough analysis of failures that may happen in the design process and implementation can also be part of the paper. The scope of Control Engineering Practice matches the activities of IFAC. Papers demonstrating the contribution of automation and control in improving the performance, quality, productivity, sustainability, resource and energy efficiency, and the manageability of systems and processes for the benefit of mankind and are relevant to industrial practitioners are most welcome.