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Convolutional Autoencoder Frameworks for Projection Multi-Photon 3D Printing

delete2025-08-13
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PRE
AI
I
Ishat Raihan Jamil
J
Jason E. Johnson
X
Xianfan Xu *
DOI:10.1016/j.addma.2025.104929delete
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摘要

摘要

En 中文
投影多光子3D打印是一种用于以极高速制造微纳结构的新兴技术。它利用数字微镜(DMD)一次性投射和打印整个2D层,相比传统的逐点激光扫描提供更高的吞吐量和可扩展性。尽管双光子聚合被广泛认为是实现纳米级高维度精度的杰出方法,但投影方面引入了新的一套挑战,例如由于氧气抑制导致的欠打印。固有的复杂光聚合动力学使得难以高效建模和仿真。为解决此问题,我们引入了一种基于深度学习的数据驱动方法,用于构建打印过程的代理模型和用于2D DMD模式优化的逆向模型,以实现期望的打印形状。通过打印由各种参数化方案变形的多样化形状,我们构建了一个用于训练卷积编码器-解码器(自编码器)神经网络的数据集。训练后的代理模型能够准确地将输入DMD模式映射到其最终打印的几何形状,捕捉由过程物理引入的非线性。输入和输出的逆向进一步使我们能够训练一个用于生成预补偿DMD模式的逆向模型,以打印期望的目标几何形状。实验结果表明,这种深度学习方法能够准确预测打印输出并提高2D层打印的尺寸精度。我们的结果揭示了一种可行的方法来克服抑制诱导的限制,使基于投影的多光子打印在微纳尺度上实现更高的精度。
Keyword:
projection multi-photon 3D printing
digital micromirror device (DMD)
two photon polymerization
deep learning
inverse modeling

期刊

Additive Manufacturing 封面图
Additive Manufacturing
IF:
11.1
论文数:
4.7K
被引数:
4.9W

机构

P
Purdue University
学者数:
2.7W
论文数: 2.1W
被引数: 147
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