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Robust process capability indices Cpm and Cpmk using Weibull process [PDF]

open access: goldScientific Reports, 2023
Process Capability Indices (PCIs) are very helpful to measure the manufacturing capability and production quality of the products in many manufacturing processes.
Muhammad Kashif   +3 more
doaj   +4 more sources

Estimation of Non-Normal Process Capability Indices [PDF]

open access: goldAl-Rafidain Journal of Computer Sciences and Mathematics, 2021
The important and common applications of  process capability indices (PCI’s) is the process capability ratio  and the process capability index , and the use of these measures in practical applications is based on the assumption that the ...
Huda Mohamed Taib, Ban Alani
doaj   +3 more sources

Bayesian Estimation of Generalized Process Capability Indices [PDF]

open access: yesJournal of Probability and Statistics, 2012
Process capability indices (PCIs) aim to quantify the capability of a process of quality characteristic (X) to meet some specifications that are related to a measurable characteristic of its produced items. One such quality characteristic is life time of
Sudhansu S. Maiti, Mahendra Saha
doaj   +2 more sources

MPCI : An R Package for Computing Multivariate Process Capability Indices [PDF]

open access: yesJournal of Statistical Software, 2012
Manufacturing processes are often based on more than one quality characteristic. When these variables are correlated the process capability analysis should be performed using multivariate statistical methodologies. Although there is a growing interest in
Edgar Santos-Fernandez   +1 more
doaj   +3 more sources

Process Capability Indices as Fuzzy Numbers

open access: diamondAustrian Journal of Statistics, 2016
Most of the traditional methods for assessing the capability of manufacturing processes are dealing with crisp quality. In this paper we discuss the fuzzy quality and introduce fuzzy process capability indices, where instead of precise quality we have ...
Abbas Parchami   +3 more
doaj   +3 more sources

COMPARISON METHOD PROCESS CAPABILITY INDICES FOR NORMAL AND NON-NORMAL DATA BY USE SIMULATING. [PDF]

open access: diamondKirkuk Journal of Science, 2016
In quality control assume that the distribution of their process output is normal. The definition and estimation of (pci) indices are usually based on the assumption that the production process under normal distribution. But, in most practical cases this
Wakkaa Ali Hadba
doaj   +3 more sources

A note on the generalized indices of process capability [PDF]

open access: greenInternational Journal of Research in Industrial Engineering, 2020
Process capability indices are widely used to assess whether the outputs of an in-control process meet the specifications. The commonly used indices are , , and . In most applications, the quality characteristics are assumed to follow normal distribution.
S. Gauri, S. Pal
doaj   +2 more sources

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