Thermal control of laser powder bed fusion using deep reinforcement learning
F Ogoke, AB Farimani - Additive Manufacturing, 2021 - Elsevier
Powder-based additive manufacturing techniques provide tools to construct intricate
structures that are difficult to manufacture using conventional methods. In Laser Powder Bed …
structures that are difficult to manufacture using conventional methods. In Laser Powder Bed …
Model-based feedforward control of laser powder bed fusion additive manufacturing
Control of laser power to improve part quality is critical for fabrication of complex
components via Laser Powder Bed Fusion (LPBF) additive manufacturing (AM) processes. If …
components via Laser Powder Bed Fusion (LPBF) additive manufacturing (AM) processes. If …
Feedforward control of thermal history in laser powder bed fusion: Toward physics-based optimization of processing parameters
We developed and applied a model-driven feedforward control approach to mitigate thermal-
induced flaw formation in laser powder bed fusion (LPBF) additive manufacturing process …
induced flaw formation in laser powder bed fusion (LPBF) additive manufacturing process …
Photodiode-based machine learning for optimization of laser powder bed fusion parameters in complex geometries
The quality of parts produced through laser powder bed fusion additive manufacturing can
be irregular, with complex geometries sometimes exhibiting dimensional inaccuracies and …
be irregular, with complex geometries sometimes exhibiting dimensional inaccuracies and …
A meltpool prediction based scan strategy for powder bed fusion additive manufacturing
In this study a feedforward control method for laser powder bed fusion additive
manufacturing is demonstrated. It minimizes the meltpool variation by updating the laser …
manufacturing is demonstrated. It minimizes the meltpool variation by updating the laser …
Real-time process monitoring and closed-loop control on laser power via a customized laser powder bed fusion platform
Additive manufacturing (AM) is one of the most effective ways to fabricate parts with complex
geometries using various materials. However, AM also suffers from printing quality issues …
geometries using various materials. However, AM also suffers from printing quality issues …
[HTML][HTML] Surrogate modeling of melt pool temperature field using deep learning
Powder-based additive manufacturing has transformed the manufacturing industry over the
last decade. In the Laser Powder Bed Fusion (L-PBF) process, a specific part is built in an …
last decade. In the Laser Powder Bed Fusion (L-PBF) process, a specific part is built in an …
Part geometry and conduction-based laser power control for powder bed fusion additive manufacturing
Laser powder bed fusion (LPBF) uses a focused, high power laser to repeatedly scan
geometric patterns on thin layers of metal powder, which build up to a final, solid three …
geometric patterns on thin layers of metal powder, which build up to a final, solid three …
Process optimization of complex geometries using feed forward control for laser powder bed fusion additive manufacturing
Additive manufacturing (AM) enables the fabrication of complex designs that are difficult to
create by other means. Metal parts manufactured by laser powder bed fusion (LPBF) can …
create by other means. Metal parts manufactured by laser powder bed fusion (LPBF) can …
Residual stress reduction and surface quality improvement of dual-laser powder bed fusion
Y Wang, C Chen, Y Qi, H Zhu - Additive Manufacturing, 2023 - Elsevier
Laser powder bed fusion (LPBF) is a widely used technology in additive manufacturing, but
existing in-situ stress relief methods often fail to provide satisfactory results. To address this …
existing in-situ stress relief methods often fail to provide satisfactory results. To address this …