基于算子理论的系统可重构性评价与自主重构

doi:10.7527/S1000-6893.2019.23747

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2020, Vol. 41 ›› Issue (S1): 723747-723747.doi: 10.7527/S1000-6893.2019.23747

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Reconfigurability evaluation and autonomous reconfiguration of systems based on operator theory

XU Heyu¹, WANG Dayi², LI Wenbo¹, LIU Chengrui¹, FU Fangzhou³

1. Beijing Institute of Control Engineering, China Academy of Space Technology, Beijing 100190, China;
2. Beijing Institute of Spacecraft System Engineering, China Academy of Space Technology, Beijing 100194, China;
3. School of Aeronautics and Astronautics, Sun Yat-sen University, Guangzhou 510006, China

Received:2019-12-13 Revised:2019-12-25 Online:2020-06-30 Published:2019-12-26
Supported by:
National Science Fund for Distinguished Young Scholars (61525301); National Natural Science Foundation of China (61690215,61640304,61573060,61203093)

Abstract

Abstract: The spacecraft in orbit resources are severely limited, including computing resources, hardware resources, and energy resources. In this paper, the evaluation of reconfigurability and the autonomous reconfiguration strategy for attitude control system of spacecraft are studied based on the operator theory. Firstly, based on the operator theory of Stable Kernel Representation (SKR) and Stable Image Representation (SIR), the evaluation index of system reconfigurability is given, and the ability of system reconfigurability is described quantitatively. The theory breaks through the limitation of the evaluation method of system reconfigurability based on the theory of coprime decomposition to the linear property of system. At the same time, based on the above results, the maximum boundary of system reconfigurability is given, which provides a clear index for designers to design autonomous reconfiguration strategies. Then, by considering the system reconfigurability in the design stage, the system reconfigurability potential is fully exploited and utilized, providing theoretical guidance for the design of autonomous reconfiguration strategy. Finally, the validity and correctness of the proposed method are verified by a simulation example.

Key words: spacecraft attitude control system, reconfigurability evaluation, autonomous reconfiguration, stable kernel representation, stable image representation

CLC Number:

XU Heyu, WANG Dayi, LI Wenbo, LIU Chengrui, FU Fangzhou. Reconfigurability evaluation and autonomous reconfiguration of systems based on operator theory[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2020, 41(S1): 723747-723747.

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Reconfigurability evaluation and autonomous reconfiguration of systems based on operator theory

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