Application of fuzzy PID control algorithm in hypersonic vehicle transpiration cooling control

IF 4.9 2区工程技术 Q1 ENGINEERING, MECHANICAL International Journal of Thermal Sciences Pub Date : 2024-10-05 DOI:10.1016/j.ijthermalsci.2024.109457

Yanqi Diao , Xue Liu , Yuyang Bian , Jiayue Zheng , Weixing Zhou , Pengyu Zhang

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Abstract

As an efficient active cooling method, transpiration cooling is employed for thermal protection of blunt nose cones. However, most current systems utilize open-loop control for coolant supply. This study establishes a dynamic model of a one-dimensional blunt nose cone transpiration cooling system that concurrently considers aerodynamic heating, internal heat transfer in porous media, and the thermal insulation process of the air film layer formed by injected coolant. The findings indicate that the coolant film's thermal insulation effect significantly impacts the nose cone cooling system, with flow in the porous media causing a time-delay in the dynamic insulation effect. After implementing a closed-loop feedback controller, the fuzzy PID control algorithm demonstrates superiority over the conventional PID control algorithm in mitigating positive and negative feedback misalignment issues caused by time-delay, resulting in reduced temperature oscillation time and amplitude. Additionally, the fuzzy PID control algorithm achieves faster response and shorter stabilization time when external interference from varying Mach numbers occurs.

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模糊 PID 控制算法在高超音速飞行器蒸发冷却控制中的应用

作为一种高效的主动冷却方法，蒸发冷却被用于钝头锥的热保护。然而，目前大多数系统都采用开环控制冷却剂供应。本研究建立了一维钝头锥蒸腾冷却系统的动态模型，该模型同时考虑了气动加热、多孔介质的内部传热以及喷射冷却剂形成的空气膜层的隔热过程。研究结果表明，冷却剂薄膜的隔热效果会对鼻锥冷却系统产生重大影响，多孔介质中的流动会导致动态隔热效果的时间延迟。在实施闭环反馈控制器后，模糊 PID 控制算法比传统 PID 控制算法更能减轻时间延迟引起的正反馈失调问题，从而减少温度振荡时间和振幅。此外，当出现马赫数变化的外部干扰时，模糊 PID 控制算法的响应速度更快，稳定时间更短。

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来源期刊

International Journal of Thermal Sciences 工程技术-工程：机械

CiteScore

8.10

自引率

11.10%

发文量

531

审稿时长

55 days

期刊介绍： The International Journal of Thermal Sciences is a journal devoted to the publication of fundamental studies on the physics of transfer processes in general, with an emphasis on thermal aspects and also applied research on various processes, energy systems and the environment. Articles are published in English and French, and are subject to peer review. The fundamental subjects considered within the scope of the journal are: * Heat and relevant mass transfer at all scales (nano, micro and macro) and in all types of material (heterogeneous, composites, biological,...) and fluid flow * Forced, natural or mixed convection in reactive or non-reactive media * Single or multi–phase fluid flow with or without phase change * Near–and far–field radiative heat transfer * Combined modes of heat transfer in complex systems (for example, plasmas, biological, geological,...) * Multiscale modelling The applied research topics include: * Heat exchangers, heat pipes, cooling processes * Transport phenomena taking place in industrial processes (chemical, food and agricultural, metallurgical, space and aeronautical, automobile industries) * Nano–and micro–technology for energy, space, biosystems and devices * Heat transport analysis in advanced systems * Impact of energy–related processes on environment, and emerging energy systems The study of thermophysical properties of materials and fluids, thermal measurement techniques, inverse methods, and the developments of experimental methods are within the scope of the International Journal of Thermal Sciences which also covers the modelling, and numerical methods applied to thermal transfer.