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Paper Information

Journal:   JOURNAL OF INDUSTRIAL ENGINEERING INTERNATIONAL   DECEMBER 2014 , Volume 10 , Number 4; Page(s) 229 To 238.
 
Paper: 

ECONOMIC DESIGN OF HOTELLING’S T2 CONTROL CHART ON THE PRESENCE OF FIXED SAMPLING RATE AND EXPONENTIALLY ASSIGNABLE CAUSES

 
 
Author(s):  BAHIRAEE EHSAN*, RAISSI SADIGH
 
* SCHOOL OF INDUSTRIAL ENGINEERING, ISLAMIC AZAD UNIVERSITY, SOUTH TEHRAN BRANCH, TEHRAN, IRAN
 
Abstract: 

Control charts are extensively used in manufacturing contexts to monitor production processes. This article illustrates economical design of a variable sample size and control limit Hotelling’s T2 control chart based on a novel cost model when occurrence times of the assignable causes are exponentially distributed. The proposed nonlinear cost model is an extension of Duncan’s (J Am Stat Assoc 51: 228-242, 1956) model which was employed for univariate cases. Applying genetic algorithm to find optimum parameter values and using an L33 orthogonal array in sensitivity analysis on the model parameters is investigated through a numerical example to illustrate the effectiveness of the proposed approach.

 
Keyword(s): ECONOMIC DESIGN, GENETIC ALGORITHMS, MULTIVARIATE CONTROL CHART, STATISTICAL QUALITY CONTROL, VSSCT2 CONTROL CHART
 
References: 
 
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