Construction of New Standardized Attribute Control Chart based on defects per million opportunities
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https://doi.org/10.25212/lfu.qzj.3.3.34##semicolon##
پوختە
To understand the concepts of Six Sigma, the concepts of Defects Per Unit (DPU) and Defects Per Opportunities (DPO) need to be introduced. DPU and DPO have different implications from attribute and variable data perspectives. The aim of this paper is to Construction quality control chart, which is Standardized attribute control chart based on defects per million opportunities (dpmo) to justify the efficiency and sensitively of the new chart for detecting are out of control cases. Using example, it was found that the examined processes were in control on both charts .The chart suggested herein may be useful for companies practicing Six Sigma process. These charts can be used to replace existing Shewhart control charts implemented when companies first started implementing Six Sigma.
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سەرچاوەکان
Alan Chow, Ameina Tressler, and Kelly C. Woodford (2013). A Comparison of Control Charting Applications for Variable Sample Sizes in Service Processes. Journal of Business, Industry and Economics . Volume 18.pp109-126.
Besterfield, D. H. (2009) “Quality Control”. 8th Edition. New York: Prentice-Hall Inc. 3. Grant, E. L. & Leavenworth, R. S. (1988) “Statistical Quality Control”. 6th Edition, McGraw-Hill. Book Company. New York, U.S.A.
Montgomery, D. C. (2005): Introduction to Statistical Quality Control”. 5thEdition, John Wiley & Sons Inc. New York, U.S.A.
Radhakrishnan, R., & Balamurugan, P. (2010). Six Sigma based control charts for number of defectives. Proceedings of the 2010 International Conference on Industrial Engineering and Operations Management, Dhaka, Bangladesh, 92.
Santos, D.L. (2008). Beyond Six Sigma – A Control Chart for Tracking Defects Per Billion Opportunities (dpbo). International Conference on Industrial Engineering, Las Vegas, NV, Sept. pp. 228-233. I
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