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Control adaptativo de calidad en procesos industriales

Subgroup size and sampling interval in Control Charts.
Authors: Fuente García, David de la; Hernández Iglesias, Cesáreo; Olmo, Ricardo del;

Control adaptativo de calidad en procesos industriales

Abstract

Se acepta que si las observaciones (yi) de un proceso de producción no son independientes, la estructura del error se puede determinar como sugirieron Box-Jenkins (1970). Pero los métodos de B-J son off-line y requieren de cierta experiencia por parte del usuario. En este trabajo, presentamos un procedimiento basado en filtros celosía adaptativos para el control estadístico de procesos (SPC). Este SPC adaptativo puede ser completamente computerizado y aún más, realizable en hardware.

The optimum choice of subgroup size and sampling interval is considered. Assuming that the sampling cost is proportional to the total number of units sampled, the optimum procedure depends on the deviation from the target value that is considered important: this deviation is related to the process capability. In general, if the process capability increases, it is advisable to reduce the subgroup size and the sampling interval length.

Country
Spain
Keywords

Control charts, Classificació AMS::90 Operations research, mathematical programming::90B Operations research and management science, System proces control, Lattice Filters, :90 Operations research, mathematical programming::90B Operations research and management science [Classificació AMS], Adaptative SPC, Operations research, Investigació operativa, Classificació AMS::90 Operations research, mathematical programming::90B Operations research and management science

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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