• Title/Summary/Keyword: Mixed Acceptance Sampling

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On OIML Mixed Acceptance Sampling Plans and Optimal Target Value for Products in Prepackages (OIML 혼합 샘플링 검사계획에 대한 고찰과 최적 목표값의 설정 : 실량표시상품을 대상으로)

  • Seo, Sun-Keun
    • Journal of Korean Institute of Industrial Engineers
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    • v.41 no.1
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    • pp.17-24
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    • 2015
  • Mixed acceptance sampling plans for quantity of products in prepackages are widely used for compliance testing. To pass testing, random samples jointly comply with two legal requirements: (i) the average net content of an inspection lot shall be not less than the labelled quantity and (ii) the numbers of under-filled prepackages in a sample are less than or equal to permitted numbers. This paper discusses some drawbacks of the acceptance sampling plans and requirements recommended in OIML R87 (KS A 50087 translated by Korean) developed by the International Organization of Legal Metrology and evaluates the producer's and consumer's risks. In addition, problem of determining a target value in filling processes of prepackages under the OIML R87 requirements is addressed and illustrated with a numerical example.

An Acceptance Sampling Plan for Products from Production Process with Variable Fraction Defective (불량률이 가변적인 공정으로부터 생산된 제품에 대한 수명시험 샘플링 검사방식 설계)

  • 권영일
    • Journal of Korean Society for Quality Management
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    • v.30 no.2
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    • pp.152-159
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    • 2002
  • An acceptance sampling plan for products manufactured from a production process with variable fraction defective is developed. We consider a situation where defective products have short lifetimes and non-defective ones never fail during the technological life of the products. An acceptance criterion which guarantee the out going quality of accepted products is derived using the prior information on the quality of products. Numerical examples are provided.