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基于替代模型的无热导热基板的轻量加热薄膜的最佳设计方法

Zheng Deng¹, Qingkui Yu¹, Jingyu Liu¹

¹China Aerospace Components Engineering Center, No. 104 Youyi Rd. Haidian District, Beijing 100048, China.

|August 29, 2024

概括

这项研究优化了太空任务的轻型加热膜,实现了显著更均的温度. 新的设计方法提高了热控制效率,并减少了关键机载设备的温度变化.

科学领域:

材料科学材料科学材料科学
航空航天工程航空航天工程
热力工程是热力工程中的一个.

背景情况:

统一的加热对于在太空任务中精确控制船上设备的温度至关重要.
轻量级的异型基板导热加热薄膜对于太空应用至关重要.

研究的目的:

开发一种优化方法,用于轻量化异型基板导热加热薄膜.
为了提高空间热控制的温度均性和轻量特性.

主要方法:

利用由粒子群优化 (PSO) 优化的feedforward神经网络创建替代模型.
采用NSGA-II算法来实现温度均性和轻量特性的多目标优化.
使用加热膜热模拟数据训练了PSO-BP替代模型.

主要成果:

替代模型准确地预测了温度差异,平均平方误差 (MSE) 在0.0168秒内.
达到1.188°C的最大温度差,与未优化模型相比减少了30.5倍.
相当密度仅增加了3.9%.

结论:

开发的优化设计方法有效地建模了参数关系和优化目标.
这种方法为加热膜和类似设备提供了卓越的计算精度和设计效率.

关键词:

在NSGA-II中,NSGA-II是最重要的.这是一个PSO-BP替代模型.轻量化加热薄膜是一种轻量化加热薄膜.多目标优化多目标优化

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