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  • 标题:The Mixed CUSUM-EWMA (MCE) control chart as a new alternative in the monitoring of a manufacturing process
  • 本地全文:下载
  • 作者:Custodio da Cunha Alves ; Andréa Cristina Konrath ; Elisa Henning
  • 期刊名称:Brazilian Journal of Operations & Production Management
  • 印刷版ISSN:1679-8171
  • 出版年度:2019
  • 卷号:16
  • 期号:1
  • 页码:1-13
  • DOI:10.14488/BJOPM.2019.v16.n1.a1
  • 出版社:Associação Brasileira de Engenharia de Produção (ABEPRO)
  • 摘要:Goal: The objective is to conclude, based on a comparative study, if there is a significant difference in sensitivity between the application of MCE and the individual application of the CUSUM or EWMA chart, i.e., greater sensitivity particularly for cases of lesser magnitude of change. Design/Methodology/Approach: These are an applied research and statistical techniques such as statistical control charts are used for monitoring variability. Results: The results show that the MCE chart signals a process out of statistical control, while individual EWMA and CUSUM charts does not detect any situation out of statistical control for the data analyzed. Limitations: This article is dedicated to measurable variables and individual analysis of quality characteristics, without investing in attribute variables. The MCE chart was applied to items that are essential to the productive process development being analysed. Practical Implications: The practical implications of this study can contribute to: the correct choice of more sensitive control charts to detect mainly small changes in the location (mean) of processes; provide clear and accurate information about the fundamental procedures for the implementation of statistical quality control; and encourage the use of this quality improvement tool. Originality/Value: The MCE control chart is a great differential for the improvement of the quality process of the studied company because it goes beyond what CUSUM and EWMA control charts can identify in terms of variability.
  • 关键词:Process Monitoring;Control Chart;Mixed CUSUM-EWMA Chart
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