Journal
KUWAIT JOURNAL OF SCIENCE
Volume 48, Issue 1, Pages 37-49Publisher
ACADEMIC PUBLICATION COUNCIL
DOI: 10.48129/kjs.v48i1.7789
Keywords
Buffer allocation; multi-state reliability; repairable production system; structural complexity
Categories
Funding
- National Natural Science Foundation of China [51875332]
- Capacity Building Projects of Some Local Universities of Shanghai Science and Technology Commission [18040501600]
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By optimizing the buffer capacity allocation in production lines, it is possible to maximize the system theoretical production rate and minimize system state entropy, which improves production efficiency and reduces the level of chaos in the system.
Buffer capacity allocation plays a key role in the design of production lines. By means of polymorphism analysis on production capacity and capability, we investigate the buffer allocation problem in multistage production lines with unreliable machines. The allocated buffers simultaneously maximize the system theoretical production rate and minimize the system state entropy. A mathematical model for buffer capacity optimization was established and optimized using an extended vector universal generating function (UGF) and an improved adaptive nondominated sorting genetic algorithm II (NSGA-II). The feasibility and effectiveness of the proposed method were verified by applying the model to a production line of engine heads.
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