相关实验视频
Updated: May 2, 2026

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Surrogate Model Development for Digital Experiments in Welding
Published on: March 28, 2025
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根据过程参数预测材料挤出部件的线性维度准确性,使用由进化算法优化的神经网络
Carsten Schmidt1, Jonas Funk1, Rainer Griesbaum1
1Institute of Applied Research, Karlsruhe University of Applied Sciences, Karlsruhe, Germany.
3D printing and additive manufacturing
|March 28, 2025
概括
这项研究开发了一个神经网络 (NN),以准确预测使用材料挤出 (MEX) 制造的3D打印部件的尺寸精度. 通过对打印参数进行精确控制,NN模型显著提高了工艺效率.
科学领域:
- 添加剂制造 添加剂制造 添加剂制造
- 材料科学 材料科学 材料科学
- 人工智能的人工智能
背景情况:
- 材料挤出 (MEX) 提供了复杂零件的经济生产,但由于未定义的工艺参数,其质量难以预测.
- 这种不确定性导致了保守的参数设置,增加了印刷时间和材料浪费.
研究的目的:
- 开发一个准确的预测模型,用于MEX制造的零件的线性维度准确度.
- 优化工艺参数以提高质量和减少制造效率低下.
主要方法:
- 利用神经网络 (NN) 通过进化算法进行超参数调整.
- 在各种材料挤出工艺参数组合上训练并测试了NN模型.
主要成果:
- 在X和Y维度下达到1.3%以下的平均绝对百分比误差 (MAPE),在Z维度下达到2.3%.
- 与多重线性回归相比,证明了更高的预测准确性和稳定性,即使在未经训练的参数范围.
结论:
- 开发的NN模型准确地预测了MEX中的线性维度精度,解决了增材制造中的关键差距.
- 这种预测能力允许优化参数设置,提高零件质量和工艺效率.
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