Fuzzy computer-aided design of process manufacturing facilities |
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| Authors: | Professor A. C. Butler S. S. Rao S. R. LeClair |
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| Affiliation: | (1) School of Mechanical Engineering, Purdue University, West Lafayette, Indiana, USA;(2) US Air Force Materials Directorate, Wright-Patterson Air Force Base;(3) Present address: Industrial and Technological Development Center, Department of Mechanical and Aerospace Engineering, University of Missouri, Columbia |
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| Abstract: | Preliminary design of process manufacturing facilities involves, among other things, the synthesis of detailed layout designs. In current practice, this spatial design process is very labor-intensive and expensive. This paper describes a prototype CAD system which models design decision-making, providing a computable framework for automation. The CAD system performs auto-elicitation of an expert's judgment in the form of fuzzy sets using interactive computer graphics. These fuzzy sets are then used in a heuristic search process employing multi-objective, non-linear optimization. Designs synthesized by this fuzzy CAD system are comparable to those generated  by hand, and in some cases exceed a practitioner's design in quality. The CAD system, as presently constructed, provides multiple solutions. Conclusions and recommendations regarding processing speed and unrepresented heuristic content are made. |
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| Keywords: | Computer-aided design Facilities layout Fuzzy Preliminary design Process manufacturing |
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