The quest for smarter manufacturing is motivating the need for operational decisions to be made in real-time to adapt to uncertainties. Prevailing decision-making techniques typically consider each manufacturing function in isolation to reduce the complexity, which in turn leads to sequential decision-making where prior decisions become constraints for subsequent decisions. This paper proposes a unified approach for simultaneously controlling the timing of production events, the timing of maintenance events, and physical processing capacity. Moreover, the control algorithms can be fully distributed and exploit physics-based models for processes and remaining-useful-life of machinery components in real-time decision-making. Fused Filament Fabrication (FFF) additive manufacturing process is used as an example in the paper to demonstrate the unified approach. Dynamics of the resulting unified control system is modeled using non-linear discontinuous differential equations. Computer simulations are used to illustrate dynamic interactions between production and maintenance functions. Benchmarking of the unified control approach for randomly generated datasets show superior performance compared to other commonly used scheduling heuristics by about 48%.
ASME 2018 13th International Manufacturing Science and Engineering Conference
June 18–22, 2018
College Station, Texas, USA
Conference Sponsors:
- Manufacturing Engineering Division
ISBN:
978-0-7918-5137-1
PROCEEDINGS PAPER
Unified Control of Production, Capacity, and Pre-Emptive Maintenance of Fused Filament Fabrication Process
Rakshith Badarinath
,
Rakshith Badarinath
Pennsylvania State University, University Park, PA
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Kai-Wen Tien
,
Kai-Wen Tien
Pennsylvania State University, University Park, PA
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Vittaldas Prabhu
Vittaldas Prabhu
Pennsylvania State University, University Park, PA
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Author Information
Rakshith Badarinath
Pennsylvania State University, University Park, PA
Kai-Wen Tien
Pennsylvania State University, University Park, PA
Vittaldas Prabhu
Pennsylvania State University, University Park, PA
Paper No:
MSEC2018-6641, V003T02A032; 10 pages
Published Online:
September 24, 2018
Citation
Badarinath, Rakshith, Tien, Kai-Wen, and Prabhu, Vittaldas. "Unified Control of Production, Capacity, and Pre-Emptive Maintenance of Fused Filament Fabrication Process." Proceedings of the ASME 2018 13th International Manufacturing Science and Engineering Conference. Volume 3: Manufacturing Equipment and Systems. College Station, Texas, USA. June 18–22, 2018. V003T02A032. ASME. https://doi.org/10.1115/MSEC2018-6641
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