Journal of Korean Institute of Industrial Engineers (대한산업공학회지)

Korean Institute of Industrial Engineers (대한산업공학회)
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A Study on Small-Sample Inspection Plan for New Product Quality Evaluation of Finite Population

유한모집단의 신제품 품질평가를 위한 소표본 샘플링검사 방법에 대한 소고

  • Byun, Jai-Hyun (Department of Industrial and Systems Engineering and Engineering Research Institute, Gyeongsang National University) ;
  • Shin, Byung-Cheol (Department of Industrial and Systems Engineering and Engineering Research Institute, Gyeongsang National University) ;
  • Lee, Chang-Woo (Daegu Center, Quality Management Bureau, Defense Agency for Technology and Quality)
  • 변재현 (경상대학교 산업시스템공학부) ;
  • 신병철 (경상대학교 산업시스템공학부) ;
  • 이창우 (국방기술품질원 품질경영본부 대구센터)
  • Received : 2014.11.06
  • Accepted : 2014.12.15
  • Published : 2015.02.15
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Abstract

Evaluating product quality level is necessary before the manufactured items are delivered to the customer. When the amount of the items to be manufactured is limited and the product is of high price and should be evaluated by destructive testing, the number of samples to be tested should be as small as possible. This paper presents a small-sample inspection method using hyper-geometric distribution and Bayesian approach for finite small-sized population. A method of determining the minimum sample size is presented for given population size, allowable number of defectives, warranteed defective level, and confidence level which is the degree of confidence on the product quality level recognized by both the producer and the customer.

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References

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