Journal of Korean Society for Quality Management (품질경영학회지)

Korean Society for Quality Management (한국품질경영학회)
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An optimal tolerancing of the mixture ratio with variance considerations

분산을 고려한 혼합물 배합비의 최적허용차 결정

  • Kim, Seong-Jun (Department of Industrial, Information, and Management Engineering, Kangnung National University) ;
  • Park, Jong-In (Reliability Technology Center, Korea Testing Laboratory)
  • 김성준 (강릉원주대학교 산업정보경영공학과) ;
  • 박종인 (한국산업기술시험원 신뢰성기술센터)
  • Received : 2010.11.04
  • Accepted : 2010.12.06
  • Published : 2010.12.31
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Abstract

Performance variations in mixture products such as medicine, food, and chemicals can be caused by their own subcomponents. For instance, a discharge capacity of a lithium-ion battery depends upon the mixture ratio of ethylene, dimethyle, and ethyle-methyle, all of which are subcomponents of an electrolyte solution in the battery. Thus it is crucial to determine tolerances of the mixture ratio in order to maintain the product quality at a desired level. This paper is concerned with the tolerance design of the mixture ratio. In particular, minimizing variance around the mixture ratio is adopted as a decision criterion in this paper. An illustrative example with multiple quality characteristics is given as well.

Keywords

References

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