This paper proposes a top-down approach for product concept selection. The proposed approach integrates an analytical approach to define an acceptable part specification range (part range), and an optimization approach to find optimum tolerances of part specifications. In the analytical part of the procedure, an inverse of design matrix is used to identify a part range. In the optimization part of the procedure, a product cost is defined as a function of part specification tolerances, and optimization algorithm is used to find optimum part specification tolerances that minimize the cost of the concept. The concept with the minimum cost is selected as the optimum concept. The usefulness of the proposed approach is demonstrated using an illustrative example.
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ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 30–September 2, 2009
San Diego, California, USA
Conference Sponsors:
- Design Engineering Division and Computers in Engineering Division
ISBN:
978-0-7918-4905-7
PROCEEDINGS PAPER
A Top-Down Concept Selection Integrating Analytical and Optimization Approaches
Shun Takai,
Shun Takai
Missouri University of Science and Technology, Rolla, MO
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Vivek K. Jikar,
Vivek K. Jikar
Missouri University of Science and Technology, Rolla, MO
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Kenneth M. Ragsdell
Kenneth M. Ragsdell
Missouri University of Science and Technology, Rolla, MO
Search for other works by this author on:
Shun Takai
Missouri University of Science and Technology, Rolla, MO
Vivek K. Jikar
Missouri University of Science and Technology, Rolla, MO
Kenneth M. Ragsdell
Missouri University of Science and Technology, Rolla, MO
Paper No:
DETC2009-86738, pp. 147-155; 9 pages
Published Online:
July 29, 2010
Citation
Takai, S, Jikar, VK, & Ragsdell, KM. "A Top-Down Concept Selection Integrating Analytical and Optimization Approaches." Proceedings of the ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 8: 14th Design for Manufacturing and the Life Cycle Conference; 6th Symposium on International Design and Design Education; 21st International Conference on Design Theory and Methodology, Parts A and B. San Diego, California, USA. August 30–September 2, 2009. pp. 147-155. ASME. https://doi.org/10.1115/DETC2009-86738
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