Design and manufacturing advisor for turbine disks |
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Authors: | Steven H. Kim Stephen Hom Sanjay Parthasarathy |
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Affiliation: | Knowledge Systems Program, M.I.T. Laboratory for Manufacturing and Productivity, Cambridge, Massachusetts 02139, U.S.A. |
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Abstract: | The design and manufacturing advisor (DMA) is a generic architecture for an expert system which assists in the process of product design. It integrates various parts of the production environment which affect the final product—such as fabrication, assembly, inspection and inventory. The design process can be partitioned into four stages: problem specification, feature specification, testing and generation. DMA facilitates the development of tractable designs, defined by the intersection of three spaces relating to specifications, features and productibility. The system consists of a domain-independent module and a domain-dependent module, each of which contains subcomponents; this modular structure facilitats system modification, expansion, and portability. The DMA has been validated by specializing the architecture to the design of gas-turbine disks for jet engines. |
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