Flow management in flexible manufacturing cells with pipeline operations

Article Abstract:

Optimal flows for flexible manufacturing cells with pipeline operations are modeled. Resource allocation and operation scheduling are examined in the context of the cyclic production of a product with a given series of production operations and a specified set of resource requirements. Ageneral model with special applications to polynomial or NP-complete problems is proposed. The numbers of both operating machines and product units that are operational at each time period are varied in order to generate different cases. The polynomial solution exists given two streams when independent assignment of all operations to the robots is possible, thereby leading to a result expressed in terms of the shortest path on a specific network.

Author: Agnetis, A., Lucertini, M., Nicolo, F.
Production engineering

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Log Bucking and Lumber Manufacturing Using Dynamic Programming

Article Abstract:

Several Interrelated steps are needed to convert trees into finished lumber. These steps can be modeled as a single production system. The model can be used to train operators and as a real-time operating aid. It incorporates a description of the tree shape, a log grading and lumber grading system, a table of lumber sizes and prices, and the technical characteristics of the sawing process such as blade thickness and sawing method. Dynamic programming is used. Computational results are presented in tables.

Author: Faaland, B., Briggs, D.
Construction industry, Production control, Dynamic programming, Forest products

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Manufacturing Technology in the 1980's: A Survey of Federal Programs and Practices

Article Abstract:

There is a growing concern about the low growth of productivity in the United States manufacturing sector. Industries such as steel, machine tools, automobiles, electrical machinery and transport goods are of particular concern. Process, not product innovation, is the problem. The Federal presence in manufacturing technology is concentrated in small-scall, single function, hardware technologies.

Author: Hetzner, W.A., Tornatzky, L.G., Klein, K.J.
Industrial research, Manufacturing, Technology, Automation, Industrial productivity, Technology transfer, Research and Development, Productivity, National Government, United States, Government

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Subjects list: Models, Management science
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