A simulation analysis of factors influencing the attractiveness of group technology cellular layouts
Article Abstract:
Group Technology (GT), a manufacturing production discipline that seeks to uncover and utilize similarities in the design and processing of products, is applied to batch manufacturing processes characterized by a high level of product variety and in which the equipment function determines the layout design. Claimed benefits of GT include reduced inventory and throughput times for work-in-process and increased worker satisfaction. A simulation model utilizing simulated shop data was used to compare cellular layout with process layout. The performance measures used in the model were work-in-process inventory and throughput time and the variables analyzed were setup to process time, transfer time of materials, stability of demand, and intracellular work flow. Research results reveal no clear advantage for cellular results for any of the variables, but an ideal cellular layout was constructed from research results.
Publication Name: Management Science
Subject: Business, general
ISSN: 0025-1909
Year: 1990
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Analysis of a kanban discipline for cell coordination in production lines
Article Abstract:
Kanban discipline for cell coordination in production lines is analyzed for a large-scale manufacturing facility in which the production consists of production cells, or stages, each of which contributes to the production of the final product. In the production network, there are many cells with a fixed number of kanbans in each cell. The kanbans circulate within individual cells and to neighboring cells in the presence of signals that are dependent on the inventory of the cell. A stochastic model is used to analyze the production facility. Research results reveal that kanban discipline creates superior throughput-inventory relationships than do classical disciplines.
Publication Name: Management Science
Subject: Business, general
ISSN: 0025-1909
Year: 1990
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A note on 'level schedules for mixed-model assembly lines in just-in-time production systems'
Article Abstract:
An assignment problem for deriving the optimal schedules for assembly lines producing multiple products in a just-in-time production system is presented. The problem is based on J. Miltenburg's (1989) quadratic programming problem. While Miltenburg's quadratic programming problem only utilized enumerative algorithms and heuristics for solutions, the proposed assignment problem can be used for more objective functions.
Publication Name: Management Science
Subject: Business, general
ISSN: 0025-1909
Year: 1991
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