Phase II Logistic Profile Monitoring
Publish place: International Journal of Industrial Engineering & Production Research، Vol: 23، Issue: 4
Publish Year: 1391
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJIEPR-23-4_007
تاریخ نمایه سازی: 7 شهریور 1393
Abstract:
In many industrial and non-industrial applications the quality of a process or product is characterized by a relationship between a response variable and one or more explanatory variables. This relationship is referred to as profile. In the past decade, profile monitoring has been extensively studied under the normal response variable, but it has paid a little attention to the profile with the nonnormal response variable. In this paper, the focus is especially on thebinary response followed by the bernoulli distribution due to its application in many fields of science and engineering. Some methods have been suggested to monitor such profiles in phase I, the modeling phase; however, no method has been proposed for monitoring them in phase II, the detecting phase. In this paper, two methods are proposed for phase II logistic profile monitoring. The first method is a combination of two exponentially weighted moving average (EWMA) control charts for mean and variance monitoring of the residuals defined in logistic regression models and the second method is amultivariate T2 chart to monitor model parameters. The simulation study is done to investigate the performance of the methods.
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Authors
A. Saghaei
Industrial Engineering Department, Science and Research Branch, Islamic Azad University, Tehran, Iran
M. Rezazadeh-Saghaei
Parsian Quality and Productivity Research Center, Tehran, Iran.
R. Noorossana
Industrial Engineering Department, Iran University of Science and Technology, Tehran,
M. Dorri
Industrial Engineering Department, Islamic Azad University-South Tehran Branch, Tehran, Iran.