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Florian Heiny, M. Sc.

 Florian Heiny, M. Sc.

Informatik Rechnerbetrieb (IRB)

Technischer Mitarbeiter - Mitarbeiter

+49 5251 60-1750
Pohlweg 51
33098 Paderborn

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Powder Spread Process Monitoring in Polymer Laser Sintering and its Influences on Part Properties

S.H. Klippstein, F. Heiny, N. Pashikanti,, M. Gessler, H. Schmid, JOM - The Journal of The Minerals, Metals & Materials Society (TMS) (2021), 74, pp. 1149–1157

Confidence in additive manufacturing technologies is directly related to the predictability of part properties, which is influenced by several factors. To gain confidence, online process monitoring with dedicated and reliable feedback is desirable for every process. In this project, a powder bed monitoring system was developed as a retrofit solution for the EOS P3 laser sintering machines. A high-resolution camera records each layer, which is analyzed by a Region-Based Convolutional Neural Network (Mask R-CNN). Over 2500 images were annotated and classified to train the network in detecting defects in the powder bed at a very high level. Each defect is checked for intersection with exposure areas. To distinguish between acceptable imperfections and critical defects that lead to part rejection, the impact of these imperfections on part properties is investigated.


From Pattern Invocation Networks to Rule Preconditions

N. Weidmann, A. Anjorin, F. Stolte, F. Kraus, in: Proceedings of the 12th International Conference on Graph Transformation, ICGT 2019, Held as Part of STAF 2019, Springer, 2019, pp. 195-211



FPGA-based acceleration of high density myoelectric signal processing

A. Boschmann, A. Agne, L. Witschen, G. Thombansen, F. Kraus, M. Platzner, in: 2015 International Conference on ReConFigurable Computing and FPGAs (ReConFig), IEEE, 2016


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