Estimating process capability index Cpk: classical approach versus Bayesian approach

Wen Lea Pearn; Chin Chieh Wu; Chia Huang Wu

doi:10.1080/00949655.2014.914211

Estimating process capability index C_pk: classical approach versus Bayesian approach

Wen Lea Pearn, Chin Chieh Wu, Chia Huang Wu^*

^*Corresponding author for this work

Department of Industrial Engineering and Management

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

Process capability index C_pk has been the most popular one used in the manufacturing industry dealing with problems of measuring reproduction capability of processes to enhance product development with very low fraction of defectives. In the manufacturing industry, lower confidence bound (LCB) estimates the minimum process capability providing pivotal information for quality engineers to monitoring the process and assessing process performance for quality assurance. The main objective of this paper is to compare and contrast the LCBs on C_pk using two approaches, Classical method and Bayesian method.

Original language	English
Pages (from-to)	2007-2021
Number of pages	15
Journal	Journal of Statistical Computation and Simulation
Volume	85
Issue number	10
DOIs	https://doi.org/10.1080/00949655.2014.914211
State	Published - 3 Jul 2015

Keywords

Bayesian method
Classical method
credible interval
lower confidence bound
process capability index

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10.1080/00949655.2014.914211

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abstract = "Process capability index Cpk has been the most popular one used in the manufacturing industry dealing with problems of measuring reproduction capability of processes to enhance product development with very low fraction of defectives. In the manufacturing industry, lower confidence bound (LCB) estimates the minimum process capability providing pivotal information for quality engineers to monitoring the process and assessing process performance for quality assurance. The main objective of this paper is to compare and contrast the LCBs on Cpk using two approaches, Classical method and Bayesian method.",

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Estimating process capability index C_pk: classical approach versus Bayesian approach

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Keywords

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