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Lot-dependent Sampling Plans for Qualifying Long-term Production Capability with a One-Sided Specification
Computers & Industrial Engineering ( IF 6.7 ) Pub Date : 2020-08-01 , DOI: 10.1016/j.cie.2020.106583
Bi-Min Hsu , To-Cheng Wang , Ming-Hung Shu

Abstract Acceptance sampling plan establishes a required sample size for lot inspection and decisive capability criteria for lot dispositions. The multiple-lot dependent state (MDS) and the generalized MDS (GMDS) plans have been recently developed for operating capability-qualified compliance testing of a process with a one-sided specification in continuous submissions. However, both lot-dependent plans are incapable for sustaining a long-lasting supplier-buyer relationship. The MDS plan’s benefits deteriorate as the number of deliberated anteceding lot-sentencing outcomes increases; the GMDS plan may suffer a schematic problem in some cases where the current lot having marginal capability will be accepted with an inferior capability history. To remedy those shortcomings, an adjustable MDS (AMDS) sampling plan on qualifying the process capability with a one-sided specification is constructed. This AMDS plan not only allows more backtracking lots encompassed in the lot-disposition decision but also substantially improves the inspection efficiency regarding the required sample size and lot-discriminatory power. More importantly, the plan, operating for the long-run inspection, exhibits a consistent upward-trend phenomenon for the required acceptance-capability standard, which firmly advocates the sustainability of business whose suppliers show continuous improvement of process capability. Finally, the industrial applicability of AMDS is illustrated in a case study.

中文翻译:

用于通过单方面规格确定长期生产能力的批次相关抽样计划

摘要 验收抽样计划确定了批检验所需的样本量和批处置的决定性能力标准。最近开发了多批次相关状态 (MDS) 和广义 MDS (GMDS) 计划,用于在连续提交中对具有单方面规范的过程进行操作能力合格的合规性测试。然而,这两种依赖批次的计划都无法维持长期的供应商-采购商关系。MDS 计划的好处随着预先考虑的批量判决结果数量的增加而恶化;在某些情况下,GMDS 计划可能会遇到原理图问题,其中具有边际能力的当前批次将被接受,但能力历史较差。为了弥补这些缺点,构建了一个可调整的 MDS (AMDS) 抽样计划,用于通过单方面规范对过程能力进行资格认证。该 AMDS 计划不仅允许在批次处置决策中包含更多回溯批次,而且还大大提高了有关所需样本量和批次辨别力的检验效率。更重要的是,该计划为长期检查而运作,其所要求的验收能力标准呈现出一致的上升趋势,坚定地倡导供应商表现出持续改进过程能力的业务的可持续性。最后,在一个案例研究中说明了 AMDS 的工业适用性。该 AMDS 计划不仅允许在批次处置决策中包含更多回溯批次,而且还大大提高了有关所需样本量和批次辨别力的检验效率。更重要的是,该计划为长期检查而运作,其所要求的验收能力标准呈现出一致的上升趋势,坚定地倡导供应商表现出持续改进过程能力的业务的可持续性。最后,在一个案例研究中说明了 AMDS 的工业适用性。该 AMDS 计划不仅允许在批次处置决策中包含更多回溯批次,而且还大大提高了有关所需样本量和批次辨别力的检验效率。更重要的是,该计划为长期检查而运作,其所要求的验收能力标准呈现出一致的上升趋势,坚定地倡导供应商表现出持续改进过程能力的业务的可持续性。最后,在一个案例研究中说明了 AMDS 的工业适用性。坚定地倡导企业的可持续性,其供应商表现出持续改进过程能力。最后,在一个案例研究中说明了 AMDS 的工业适用性。坚定地倡导企业的可持续性,其供应商表现出持续改进过程能力。最后,在一个案例研究中说明了 AMDS 的工业适用性。
更新日期:2020-08-01
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