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Master's Dissertation
DOI
https://doi.org/10.11606/D.45.2008.tde-12082008-205637
Document
Author
Full name
Leyla Costa Ramos
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2008
Supervisor
Committee
Esteves, Luís Gustavo (President)
Borges, Wagner de Souza
Rodrigues, Josemar
Title in Portuguese
Uma abordagem bayesiana para o método de controle on-line de Taguchi para atributos
Keywords in Portuguese
intervalo de inspeção ótimo
método de Taguchi
teoria de decisão bayesiana
Abstract in Portuguese
Nesse trabalho, apresentaremos o método econômico desenvolvido por Taguchi para monitoramento on line da qualidade para atributos. O propósito deste método é obter o intervalo de inspeção que minimiza o custo esperado por item produzido em um processo industrial. Em seguida, mostraremos o modelo alternativo proposto por Nayebpour e Woodall (1993) e a derivação dos estimadores de máxima verossimilhança e de Bayes desenvolvida por Borges, Esteves e Wechsler (2005). Finalmente, apresentaremos uma nova solução para o problema de determinação do intervalo de inspeção ótimo sob a perspectiva da Teoria de Decisão Bayesiana. A última solução será ilustrada com alguns exemplos.
Title in English
A bayesian aproach of Taguchi´s On-line control method for attributes
Keywords in English
bayesian decison theory
optimal sampling interval
Taguchi´s method
Abstract in English
In this work, we present Taguchi's economic on line quality monitoring method for attributes. The aim of this method is to obtain the inspection interval that minimizes the expected cost per item produced in an industrial process. After that, we will consider the alternative method proposed by Nayebpour e Woodall (1993) and the derivation of the maximum likelihood and Bayes estimators developed by Borges, Esteves e Wechsler (2005). Finally, we will propose a new solution to the problem of inspection interval determination through Bayesian Decision Theory. This last solution will be implemented and its performance will be illustrated with a few examples.
 
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leyla_costa_ramos.pdf (387.97 Kbytes)
Publishing Date
2008-10-01
 
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