The Optimal Initial Buffer and Cycle Time Design for Improving Lean Production Automation Line Efficiency
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Optimizing the size and location of storage buffer between machines is critical issues in designing efficient production automation line. The objective of the study is to propose the optimal design of the initial buffer size as well as the suitable machine cycle time to increase the efficiency of the automation line. In this study, the production system consists of three machines with two buffers are placed between them is considered. There is a regular downtime for maintenance at the second machine, which results in lower production efficiency. The production simulation on cloud is used for modelling and demonstrating the concept. The experimental results revealed the proposed optimal initial buffer and the proposed cycle time of maintenance station could yield the maximum production line efficiency.
KeywordsBuffer design Production line efficiency Simulation model
We would like to show our gratitude to Lean Automation System Integrators (LASI) Project, Denso Corporation. We would like to thank Dr. Masahiro Nakamura and Mr. Teruo Oohashi, from Lexer Research Inc. for their kindly support in this research. We want to send our deepest appreciation to Sirindhorn International Institute of Technology (SIIT), Thammasat University (TU), Thailand as well as Logistics and Supply Chain Systems Engineering Research Unit Center for Demonstration and Technology Transfer of Industry 4.0 for financial support our research. This study was also partially funded by Studies for Science and Technology Foundation (STF).
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