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Quality and Reliability Engineering International, 2020
Statistical quality control is used to improve performance of processes. Since most of the processes are multivariate in nature, multivariate process capability indices (MPCIs) have been developed by many researchers depending on the context. However, it
A. Chakraborty, Moutushi Chatterjee
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Statistical quality control is used to improve performance of processes. Since most of the processes are multivariate in nature, multivariate process capability indices (MPCIs) have been developed by many researchers depending on the context. However, it
A. Chakraborty, Moutushi Chatterjee
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Journal of Quality Technology, 1986
The capability indices Cp, CPU, CPL, k and Cpk are presented and related to process parameters. These indices are shown to form a complementary system of measures of process performance, and can be used with bilateral and unilateral tolerances, with or ..
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The capability indices Cp, CPU, CPL, k and Cpk are presented and related to process parameters. These indices are shown to form a complementary system of measures of process performance, and can be used with bilateral and unilateral tolerances, with or ..
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On Generalizing Process Capability Indices
Quality Technology & Quantitative Management, 2010AbstractA generalized process capability index, defined as the ratio of proportion of specification conformance (or, process yield) to proportion of desired (or, natural) conformance, has been developed. Almost all the process capabilities defined in the literature are directly or indirectly associated with this generalized index. Normal as well as non-
Sudhansu S. Maiti +2 more
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Production data analysis system using novel process capability indices-based circular economy
Industrial management & data systems, 2019Purpose The purpose of this paper is to establish mechanisms for process improvement so that production efficiency and product quality can be expected, and create a sustainable development in terms of circular economy.
Kuo-Ping Lin, Chunjun Yu, Kuen-Suan Chen
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Dynamic Process Capability Indices
Asian Journal on Quality, 2002Process capability indices as an important kind of indices are intended to provide single‐number assessments of the inherent process capability to meet specification limits on quality characteristic(s) of interest. In this paper the condition for the application of process capability indices is analyzed.
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Squared Error Loss of Process Capability Indices
Economic Quality Control, 2001In this paper, we extend Johnson's work (2) of formulating the relationship between process capability indices (PCI) and expected squared error losses. Moreover, a comparison is made between the expected squared error loss of PCI under the specified capability index value.
Chen, Chung-Ho, Chou, Chao-Yu
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Bootstrap test for process capability indices
International Journal of Quality & Reliability Management, 2017Purpose The purpose of this paper is to construct a statistical hypotheses test for process capability indices and compare the pairs of them with a fixed sample size. Design/methodology/approach Since the sampling distribution of the estimators of pairs of two process capability indices (PCIs) is very complex, an exact statistical hypothesis test ...
Bahram Sadeghpour Gildeh +2 more
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Yield-based process capability indices for nonnormal continuous data
Journal of QualityTechnology, 2019Process capability indices (PCIs) are widely used to assess whether an in-control process meets manufacturing specifications. In most applications of classical PCIs, the process characteristic is assumed normally distributed.
Piao Chen, B. Wang, Z. Ye
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Process capability indices and product reliability
Microelectronics Reliability, 2001Abstract This paper discusses process capability indices— C p and C p k , their underlying assumptions, and the relationships between process capability indices and product reliability. An actual case is presented to demonstrate this relationship.
Bharatwaj Ramakrishnan +2 more
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