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Alternative TitlePrecision Thermal Control Scheme of Fluctuating Temperature for Space Fluid Loop
张涵泽; 郑桐; 张汉勋; 陈博
Source Publication空间科学学报
Keyword高精度温度控制 流体回路 控制策略
Other AbstractFluid temperature at the inlet branches of the space fluid loop fluctuates randomly within a specific range, therefore measures should be taken to decrease their thermal effects on cold-plate cooled high-stability requirement payloads. Because the traditional patch heaters require additional power and produce waste heat, a scheme of fluid mixing with PID controlled valves is proposed, which can utilize thermal energies in different loop braches to control the temperature at the cold-plate inlet by regulating valve openings. A numerical study is performed and its results show the system can satisfy the high precision temperature control requirement. The fuzzy PID control effect is better than that of the PID control algorithm, such as faster response, less overshoot, and higher control precision. Therefore, the fuzzy PID is preferred as the control algorithm of this scheme.
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Document Type期刊论文
Recommended Citation
GB/T 7714
张涵泽,郑桐,张汉勋,等. 空间流体回路单点恒温控制方案[J]. 空间科学学报,2019,39(2):233-241.
APA 张涵泽,郑桐,张汉勋,&陈博.(2019).空间流体回路单点恒温控制方案.空间科学学报,39(2),233-241.
MLA 张涵泽,et al."空间流体回路单点恒温控制方案".空间科学学报 39.2(2019):233-241.
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