نموذج إحصائي مقترح لدراسة خرائط AIX SIGMA للرقابة الاحصائية لى جودة الانتاج (دراسة تطبيقية )

نوع المستند : المقالة الأصلية

المؤلفون

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المستخلص

Abstract: The quality control is one of the sciences which has gained a passion for many researchers and writers in economic and administrative sciences, so look for a new mechanism to achieve the requirements of the costumer and please him in terms of the quality of goods and services, whether in price or the extent of their availability, and because of customer satisfaction would increase the profitability of the enterprise and enhance the competitive position and to ensure the survival and continuity in the local market as well as create a competitive advantage in the international market. quality control has evolved rapidly and then using statistical quality control chart, the concept of six Sigma from the latest statistical concepts in the science of quality control, but in the case of non-symmetric data were introduced skewness correction to obtain a more accurate charts, those charts were applied on the data extracted from the East Mansoura station to purify drinking water. This paper found some of the following recommendations: the need to use skewness correction control chart in the case of non-symmetric data which gives more accurate results for the adjustment of the boundaries of statistical quality control chart over production. So we need to develop the water treatment plants and using the modern methods of purification like ozone and ultraviolet rays.

الموضوعات الرئيسية

المراجع

1- Eugene L.Grent, Richard S. Leavenworth, (1996) "Statistical Quality Control", seventh edition . 2- korkusuz- Duygu, (2011), " Process Capability Analysis for Non-normal Processes with Lower Specification Limits" Master of Science, CHALMERS UNIVERSITY OF TECHNOLOGY, Gothenburg, SWEDEN. 3- Bagh- Ashwin kumar and Behera- Nikesh kumar, (2007), "DETECTING SHIFT IN A WEIBULL PROCESS USING BOOTSTRAP METHOD" A thesis submitted in partial fulfillment of the requirement for the degree of bachelor of technology in mechanical engineering, National Institute of Technology, Rourkela. 4- Shin-bau wang, (2009), “ skewness and kurtosis correction for x and R control charts “ Institute of statistics, National university of Kaohsiung, Taiwan. 5- Ashit B. Chakraborty and Anwer Khurshid, (2011), " CONTROL CHARTS FOR BINOMIAL WHEN THE UNDERLYING DISTRIBUTION IS RATIO OF TWO POISSON MEANS", College of Arts and Science, University of Nizwa, vol. 32, 258-264. 6- Doglas C.Montgomery, Arizona state university, ( 2009), " Introduction to statistical Quality control ", sixth edition 7- Ellen George, Steve Janiszewski, (2002), "Applying Six Sigma and Statistical Quality Control to Optimizing Software Inspections" 8- Nelson,Jr.Ralph, 2008, " Dispersing Prowders in Liquids, Part 1,Chap6: Particle Volume Distribution". http:/www.erpt.org/014Q/nelsa06.htm.Retrieved. 24 9- Betal kan, Berna yazici,(2005), “ The Individuals Control Chart in Case of Non-Normality “ Journal of Modern Applied Statistical Methods, volume 5, Issue 2

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