Economic design of a Vp (X)over bar chart

被引:59
作者
De Magalhaes, MS [1 ]
Epprecht, EK [1 ]
Costa, AFB [1 ]
机构
[1] Pontificia Univ Catolica Rio de Janeiro, Dept Ind Engn, BR-22453900 Rio De Janeiro, Brazil
关键词
control charts; process control; variable design parameters; expected cost;
D O I
10.1016/S0925-5273(01)00126-8
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We develop an economic model for (X) over bar control charts having all design parameters varying in an adaptive way, that is, in real time considering current sample information. In the proposed model, each of the design parameters can assume two values as a function of the most recent process information. The cost function is derived and it provides a device for optimal selection of the design parameters. Through a numerical example one can foresee the savings that the developed model possibly provides. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:191 / 200
页数:10
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