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Design Process Error-Proofing: Strategies for Reducing Quality Loss in Product Development

[+] Author Affiliations
Lawrence P. Chao, Kosuke Ishii

Stanford University

Paper No. IMECE2005-79453, pp. 255-263; 9 pages
  • ASME 2005 International Mechanical Engineering Congress and Exposition
  • Design Engineering, Parts A and B
  • Orlando, Florida, USA, November 5 – 11, 2005
  • Conference Sponsors: Design Engineering Division
  • ISBN: 0-7918-4215-0 | eISBN: 0-7918-3769-6
  • Copyright © 2005 by ASME


Design errors are a major source of quality loss in industry today. “Design Process Error-Proofing” seeks to prevent errors during product development by adapting quality management techniques. Poka-yoke solutions used in manufacturing and operation aim to prevent mistakes from occurring or detect them immediately after they are committed. The goal of design process error-proofing is to extend this strategy and develop innovative structured methods and tools that understand, predict, and prevent design errors. Because the research topic is fairly new, case studies are used to both explain and demonstrate the usefulness of solutions. Through a series of design initiatives at leading global organizations, important lessons were identified in the treatment of design errors. This paper discusses these error-proofing strategies and results.

Copyright © 2005 by ASME



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