Journal of Korean Society for Quality Management (품질경영학회지)

Korean Society for Quality Management (한국품질경영학회)
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Development of a Reliability Index using Design, Development and Production Information

설계, 개발 및 양산 정보를 활용한 신뢰성 지수 개발

  • Kim, Sung Kyu (Department of Industrial and Management Engineering, Kyonggi University Graduate School) ;
  • Park, Jung Won (Korea Testing Laboratory) ;
  • Kim, Yong Soo (Department of Industrial and Management Engineering, Kyonggi University)
  • 김성규 (경기대학교 일반대학원 산업경영공학과) ;
  • 박정원 (한국산업기술시험원) ;
  • 김용수 (경기대학교 산업경영공학과)
  • Received : 2015.07.17
  • Accepted : 2015.08.06
  • Published : 2015.09.30
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Abstract

Purpose: In this paper, we developed a reliability index (RI) to efficiently compare reliability of products based on the design, development and production information such as reliability tests, quality, product life-cycle management. RI also can be applied to reliability prediction of a novel product as well as comparison evaluation among existing products. Methods: For evaluating RI, we proposed evaluation process which is composed of five steps. Target modules are selected based on warranty data and correlation analysis. Scores of selected target modules are calculated by scoring function. Finally, weights of RI model are determined by optimization method. Results: This paper presented an empirical analysis based on failure data of mobile devices. In this case study, we demonstrated that there is a direct correlation between evaluated RI and field failure probability of each product. Conclusion: We proposed the index for comprehensive and effective assessment of product reliability level. From the procedure of this study, we expected to be applied for reliability estimation of novel products and deduction of field failure-related factors.

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References

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