Article (Scientific journals)
Double Objective Economic Statistical Design of the VPT2 Control Chart: Wald’s identity approach
Faraz, Alireza; Heuchenne, Cédric; Saniga, Erwin et al.
2014In Journal of Statistical Computation and Simulation, 84, p. 2123-2137
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Keywords :
Hotelling’s control chart, Adjusted Average Time to Signal (AATS), Variable Parameters (VP), Economic Statistical Design (ESD), Wald’s identity, Multi-objective Genetic Algorithm (MOGA).
Abstract :
[en] Recent studies have shown that applying the control chart by using a variable parameters (VP) scheme yields more rapid detection of assignable causes than the classical method of taking fixed sample sizes at fixed intervals of time. In this paper, the problem of economical statistical design of the VP T2 control chart is considered as a double-objective minimization problem with the statistical objective adjusted average time to signal and the economic objective expected cost per hour. Then we strive to find the Pareto-optimal designs in which the two objectives are met simultaneously by using a multi-objective Genetic Algorithm or GA. Through an illustrative example, we show that relatively large benefits accrue to the VP method relative to the classical policy; further another advantage of our approach is to provide a list of alternative solutions that can be explored graphically. This then ensures flexibility and adaptability, an important attribute of contemporary control chart design.
Disciplines :
Quantitative methods in economics & management
Author, co-author :
Faraz, Alireza ;  Université de Liège - ULiège > HEC-Ecole de gestion : UER > Statistique appliquée à la gestion et à l'économie
Heuchenne, Cédric ;  Université de Liège - ULiège > HEC-Ecole de gestion : UER > Statistique appliquée à la gestion et à l'économie
Saniga, Erwin;  Department of Business Administration, University of Delaware, Newark, Delaware 19716, USA
Costa, Antonio F.B.;  Department of Production, FEG-UNESP, Guaratingueta& , SP 12500-000, Brazil
Language :
English
Title :
Double Objective Economic Statistical Design of the VPT2 Control Chart: Wald’s identity approach
Publication date :
2014
Journal title :
Journal of Statistical Computation and Simulation
ISSN :
0094-9655
eISSN :
1563-5163
Publisher :
Taylor & Francis Ltd, Abingdon, United Kingdom
Volume :
84
Pages :
2123-2137
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
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