Attributes Control Charts as a Tool of Retrospective Analysis

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F29142890%3A_____%2F18%3A00033823" target="_blank" >RIV/29142890:_____/18:00033823 - isvavai.cz</a>
Alternative codes found
RIV/61989100:27360/18:10241056
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Attributes Control Charts as a Tool of Retrospective Analysis
Original language description
The paper deals with attributes control charts, especially with the control charts for fraction nonconforming, and their use in retrospective analysis of a process. Several forms of these charts are applied in a case study. The study concerns the occurrence of defects, especially the deformations on hot-rolled wire manufactured on the wire rod mill at Arcelor Mittal Ostrava a.s. Number of wire coils with defects is of interest. P-charts are used to identify subgroups with an inflated fraction nonconforming that could distort results of evaluating differences in fraction nonconforming between steel grades, hot-rolling temperatures, and wire diameters. In addition, it is shown how to modify the traditional p chart in the case when a substantial part of the points fall outside control limits due to large subgroup sizes.
Czech name
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Czech description
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Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Metal 2018: 27th International Conference on Metallurgy and Materials
ISBN
978-80-87294-84-0
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
1818-1823
Publisher name
TANGER
Place of publication
Ostrava
Event location
Brno, Czech Republic
Event date
Jan 1, 2018
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
000461832200293

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