Reference : A Meta Model to Optimally Design the VSI T2 Control Chart
Scientific journals : Article
Business & economic sciences : Quantitative methods in economics & management
http://hdl.handle.net/2268/151827
A Meta Model to Optimally Design the VSI T2 Control Chart
English
Faraz, Alireza mailto [Université de Liège - ULiège > UER Opérations > Statistique appliquée à la gestion et à l'économie >]
Seif, A. mailto [Islamic Azad University of Hamedan, Hamedan, Iran > Department of Mathematics > > >]
2012
International Journal of Applied Operational Research
Islamic azad university of lahijan
1
3
53-69
Yes
International
2251-6867
2251-9432
Lahijan
Iran
[en] Hotelling’s T2 Control Chart, Variable Sampling Interval (VSI) Scheme, Economic Statistical Design (ESD), Markov Chain, Genetic Algorithm (GA).
[en] Recent studies have shown that the variable sampling interval (VSI) scheme helps practitioners to detect process shifts more quickly than the classical scheme (FRS). In this paper, the economically and statistically optimal design of the VSI T2 control chart for monitoring the process mean vector is investigated. The cost model proposed by Lorenzen and Vance [1] based on the Markov chain approach is modified as the objective function which is intended to be minimized through a genetic algorithm (GA) approach. Then, the effects of the costs and operating parameters on the optimal design (OD) of the chart parameters; and resulting operating loss through a fractional factorial design is systematically studied and finally, based on the ANOVA results, a Meta model to facilitate implementation in industry is proposed to determine the OD of the VSI T2 control chart parameters from the process and cost parameters.
Islamic Azad university of Hamedan, Hamedan, Iran
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/151827

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