神经网络的多目标优化,用于预测织聚合物复合材料的物理性质
Ivan Malashin1, Vadim Tynchenko1, Andrei Gantimurov1
1Artificial Intelligence Technology Scientific and Education Center, Bauman Moscow State Technical University, 105005 Moscow, Russia.
Polymers
|June 27, 2024
概括
这项研究优化了人工神经网络 (ANN) 和支持向量机器 (SVM),使用多目标优化来预测织聚合物复合材料的性能. 这提高了材料的设计和开发.
科学领域:
- 材料科学 材料科学 材料科学
- 计算科学 计算科学
- 工程 工程师 工程师 工程师
背景情况:
- 预测织聚合物复合材料 (TPCM) 的物理性能对于先进的材料设计至关重要.
- 人工神经网络 (ANN) 和支持向量机器 (SVM) 是有前途的,但需要精确的超参数调整以获得最佳性能.
- 现有的方法可能无法完全捕捉构成材料属性和最终复合材料行为之间的复杂关系.
研究的目的:
- 应用多目标优化算法 (MOPSO,NSGA II,SPEA2) 调整ANN和SVM的超参数.
- 通过使用纤维和织物数据,提高ANN和SVM对TPCM的预测准确度.
- 通过增强的预测建模,促进高性能TPCM的开发.
主要方法:
- 使用的多目标优化算法:多目标粒子群优化 (MOPSO),非主导排序遗传算法II (NSGA II) 和强度帕雷托进化算法2 (SPEA2).
- 应用这些算法来优化人工神经网络 (ANN) 和支持矢量机器 (SVM) 的超参数.
- 输入数据包括TPCM构成纤维和面料的物理特性.
主要成果:
- 证明了MOPSO,NSGA II和SPEA2在优化TPCM的ANN和SVM超参数方面的成功应用.
- 与基线模型相比,实现了TPCM的增强预测精度.
- 通过比较分析和实验数据验证了优化方法的有效性.
结论:
- 多目标优化技术显著提高了ANN和SVM对TPCM的预测能力.
- 提出的方法为优化复杂材料系统提供了一个强大的框架.
- 这种方法加速了高性能织聚合物复合材料的设计和开发周期.
相关概念视频
Polymer Classification: Architecture
Polymers are classified as linear or branched on the basis of their chain architecture. The polymer chains in linear polymers have a long chain-like structure with minimal to no branching at all. Even if a polymer features large substituent groups on the monomer, which appear as branches to the skeleton, it is not considered a branched polymer. A branched polymer contains secondary polymer chains that arise from the main polymer chain. The branching occurs when the polymer growth shifts from...
Classification and Mechanical Properties of Synthetic Polymers
Synthetic polymers are classified as elastomers, fibers, or plastics based on their crystallinity. Crystallinity, the degree of long-range order in the solid state, influences the mechanical properties (stretching or contracting) of elastomers. Elastomers are flexible polymers that can expand or contract easily upon the application of an external force. They have numerous crosslinks that pull them back into their original shape when stress is removed. Silicones, for instance, are highly elastic...
Methods of Medium Optimization
Optimizing growth media enhances microbial proliferation and maximizes product yield. Statistical experimental design methodologies provide structured and reproducible approaches, offering progressively higher levels of robustness and efficiency.The One-Factor-at-a-Time (OFAT) MethodThe One-Factor-at-a-Time (OFAT) method involves adjusting a single variable while keeping all others constant. However, it cannot detect interactions between variables, often leading to suboptimal outcomes when...


