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Application of Deep Reinforcement Learning to Thermal Control of Space Telescope
Y. Xiong; L. Guo and D. F. Tian
2022
发表期刊Journal of Thermal Science and Engineering Applications
ISSN1948-5085
卷号14期号:1页码:10
摘要With the development of deep space exploration technology, thermal control systems for space telescopes are becoming increasingly complex, leading to the key parameters of conventional thermal control systems are difficult to adjust online automatically. To achieve these adjustments, this paper provided detailed verification of the application of deep reinforcement learning to space telescope thermal control from three perspectives: thermophysical modeling, intelligent sensing-based radiator, and online self-tuning of thermal control parameters. This paper presents a high-speed and high-precision thermophysical modeling strategy in matlab/simulink with better computational efficiency than conventional approaches. And an intelligent sensing-based radiator is proposed that can realize autonomous regulation of the radiating cold plate by sensing the external space environment and the thermal load inside the spacecraft. A strategy for online self-tuning of the thermal control parameters based on deep reinforcement learning is also proposed. Theoretical and experimental results show that deep reinforcement learning thermal control (DRLPID) can achieve temperature control accuracy of 0.05 degrees C. The steady-state errors in the simulations were reduced by 22.7%, 37.4%, and 47.4% when compared with the reinforcement learning proportional-integral-derivative (PID), the neural network PID, and the fuzzy PID, respectively. The experimental steady-state errors were reduced by 20.4%, 32.5%, and 42.7%, respectively.
DOI10.1115/1.4051072
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文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/65057
专题中国科学院长春光学精密机械与物理研究所
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Y. Xiong,L. Guo and D. F. Tian. Application of Deep Reinforcement Learning to Thermal Control of Space Telescope[J]. Journal of Thermal Science and Engineering Applications,2022,14(1):10.
APA Y. Xiong,&L. Guo and D. F. Tian.(2022).Application of Deep Reinforcement Learning to Thermal Control of Space Telescope.Journal of Thermal Science and Engineering Applications,14(1),10.
MLA Y. Xiong,et al."Application of Deep Reinforcement Learning to Thermal Control of Space Telescope".Journal of Thermal Science and Engineering Applications 14.1(2022):10.
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