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The Stochastic Control Of Process Capability Indices - Discussion

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Gómez Villegas, Miguel A. (1998) The Stochastic Control Of Process Capability Indices - Discussion. Test, 7 (1). pp. 1-74. ISSN 1133-0686

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URL Oficial: http://www.springerlink.com/content/phq7774443113484/fulltext.pdf


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Resumen

In manufacturing science, process capability indices play a role analogous to economic indices in government statistics. The existing capability indices are passive
devices whose main role is to retroactively monitor process capability. They have been developed under the restrictive assumption of process stability, and the procedures for using them are based on ad hoc rules. Using the normative point of view for decision making, it can be shown that some of the indices are, at best,convoluted special cases of a more general strategy; they can be justified only under
special assumptions, and the manner in which they are currently used could lead to incoherent actions. The available process capability indices should therefore be
abandoned and replaced by procedures that are normative, and also proactive with respect to both, prediction and control. An approach towards achieving this goal is proposed.


Tipo de documento:Artículo
Palabras clave:Process capability indices, quality control, manufacturing science,tolerances, control variables.
Materias:Ciencias > Matemáticas > Estadística matemática
Código ID:15957
Depositado:13 Jul 2012 11:10
Última Modificación:04 Mar 2016 17:18

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