A knowledge-based method for the cost estimation of concept variants for new or prototype products manufactured as unique-manufacture or in small batches-series. The goal is to provide design engineers of mechanical products with a method of which software implementation will enable them to perform easy, plausible cost estimations already in the very early development (concept) phases of product concepts or drafts. This will allow them to make prompt decisions about the most promising and cost-efficient concept for further development. Concurrently, the method will assist the designer in localizing the most cost-intensive concept or draft zones and in identifying the technical and process properties related to these costs. Hence, he will be able to concentrate on these characteristics and introduce an optimization procedure in the later detail design phase. Accordingly, the method is based on the principles of the systems engineering theory. Thereby, a “fundamental method element” is created. Based on this element, the application of the object-oriented design method leads to the creation of classes containing concept modeling elements with driving cost attributes concerning technical and process properties. The cost generation mechanism is then mapped in a class structure framework. In order to resolve the problem of the cost data vagueness and apply cost relationships in the concept phase, a fuzzy model is created to perform the cost estimation.
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ASME 2004 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
September 28–October 2, 2004
Salt Lake City, Utah, USA
Conference Sponsors:
- Design Engineering Division and Computers and Information in Engineering Division
ISBN:
0-7918-4696-2
PROCEEDINGS PAPER
Knowledge-Based Cost Estimation of Product Concepts Available to Purchase
E. G. Welp,
E. G. Welp
Ruhr-University Bochum, Bochum, Germany
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D. Giannoulis
D. Giannoulis
Ruhr-University Bochum, Bochum, Germany
Search for other works by this author on:
E. G. Welp
Ruhr-University Bochum, Bochum, Germany
D. Giannoulis
Ruhr-University Bochum, Bochum, Germany
Paper No:
DETC2004-57766, pp. 813-822; 10 pages
Published Online:
June 27, 2008
Citation
Welp, EG, & Giannoulis, D. "Knowledge-Based Cost Estimation of Product Concepts." Proceedings of the ASME 2004 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 3d: 8th Design for Manufacturing Conference. Salt Lake City, Utah, USA. September 28–October 2, 2004. pp. 813-822. ASME. https://doi.org/10.1115/DETC2004-57766
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