Mixed two- and four-level experimental designs for interchangeable parts with different degrees of assembly difficulty

Purpose – The purpose of this paper is to show how to properly use the method of replacement to construct mixed two- and four-level minimum setup split-plot type designs to accommodate the presence of hard-to-assemble parts. Design/methodology/approach – Split-plot type designs are economical app...

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Principais autores:	Vivacqua, Carla A., Ho, Linda Lee, Pinho, André L.S.
Formato:	article
Idioma:	eng
Publicado em:	International journal of quality & reliability management
Assuntos:	Hard-to-change factor Minimum setup Prototype testing Regular design Restricted randomization Split-plot fractional factorial design
Endereço do item:	https://repositorio.ufrn.br/jspui/handle/123456789/25454
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spelling	ri-123456789-254542019-01-30T05:57:23Z Mixed two- and four-level experimental designs for interchangeable parts with different degrees of assembly difficulty Vivacqua, Carla A. Ho, Linda Lee Pinho, André L.S. Hard-to-change factor Minimum setup Prototype testing Regular design Restricted randomization Split-plot fractional factorial design Purpose – The purpose of this paper is to show how to properly use the method of replacement to construct mixed two- and four-level minimum setup split-plot type designs to accommodate the presence of hard-to-assemble parts. Design/methodology/approach – Split-plot type designs are economical approaches in industrial experimentation. These types of designs are particularly useful for situations involving interchangeable parts with different degrees of assembly difficulties. Methodologies for designing and analyzing such experiments have advanced lately, especially for two-level designs. Practical needs may require the inclusion of factors with more than two levels. Here, the authors consider an experiment to improve the performance of a Baja car including two- and four-level factors. Findings – The authors find that the direct use of the existing minimum setup maximum aberration (MSMA) catalogs for two-level split-plot type designs may lead to inappropriate designs (e.g. low resolution). The existing method of replacement for searching exclusive sets of the form (α, β, αβ) available in the literature is suitable for completely randomized designs, but it may not provide efficient plans for designs with restricted randomization. Originality/value – The authors provide a general framework for the practitioners and have extended the algorithm to find out the number of generators and the number of base factor at 2018-06-19T11:44:35Z 2018-06-19T11:44:35Z 2017-08 article VIVACQUA, Carla A.; HO, Linda Lee ; PINHO, André L. S. . Mixed two- and four-level experimental designs for interchangeable parts with different degrees of assembly difficulty. International Journal Of Quality and reliability management, v. 34, p. 1152-1166, 2017. Disponível em: <http://www.emeraldinsight.com/doi/full/10.1108/IJQRM-01-2016-0006>. Acesso em: 04 dez. 2017 https://repositorio.ufrn.br/jspui/handle/123456789/25454 10.1108 eng Acesso Aberto application/pdf International journal of quality & reliability management
institution	Repositório Institucional
collection	RI - UFRN
language	eng
topic	Hard-to-change factor Minimum setup Prototype testing Regular design Restricted randomization Split-plot fractional factorial design
spellingShingle	Hard-to-change factor Minimum setup Prototype testing Regular design Restricted randomization Split-plot fractional factorial design Vivacqua, Carla A. Ho, Linda Lee Pinho, André L.S. Mixed two- and four-level experimental designs for interchangeable parts with different degrees of assembly difficulty
description	Purpose – The purpose of this paper is to show how to properly use the method of replacement to construct mixed two- and four-level minimum setup split-plot type designs to accommodate the presence of hard-to-assemble parts. Design/methodology/approach – Split-plot type designs are economical approaches in industrial experimentation. These types of designs are particularly useful for situations involving interchangeable parts with different degrees of assembly difficulties. Methodologies for designing and analyzing such experiments have advanced lately, especially for two-level designs. Practical needs may require the inclusion of factors with more than two levels. Here, the authors consider an experiment to improve the performance of a Baja car including two- and four-level factors. Findings – The authors find that the direct use of the existing minimum setup maximum aberration (MSMA) catalogs for two-level split-plot type designs may lead to inappropriate designs (e.g. low resolution). The existing method of replacement for searching exclusive sets of the form (α, β, αβ) available in the literature is suitable for completely randomized designs, but it may not provide efficient plans for designs with restricted randomization. Originality/value – The authors provide a general framework for the practitioners and have extended the algorithm to find out the number of generators and the number of base factor at
format	article
author	Vivacqua, Carla A. Ho, Linda Lee Pinho, André L.S.
author_facet	Vivacqua, Carla A. Ho, Linda Lee Pinho, André L.S.
author_sort	Vivacqua, Carla A.
title	Mixed two- and four-level experimental designs for interchangeable parts with different degrees of assembly difficulty
title_short	Mixed two- and four-level experimental designs for interchangeable parts with different degrees of assembly difficulty
title_full	Mixed two- and four-level experimental designs for interchangeable parts with different degrees of assembly difficulty
title_fullStr	Mixed two- and four-level experimental designs for interchangeable parts with different degrees of assembly difficulty
title_full_unstemmed	Mixed two- and four-level experimental designs for interchangeable parts with different degrees of assembly difficulty
title_sort	mixed two- and four-level experimental designs for interchangeable parts with different degrees of assembly difficulty
publisher	International journal of quality & reliability management
publishDate	2018
url	https://repositorio.ufrn.br/jspui/handle/123456789/25454
work_keys_str_mv	AT vivacquacarlaa mixedtwoandfourlevelexperimentaldesignsforinterchangeablepartswithdifferentdegreesofassemblydifficulty AT holindalee mixedtwoandfourlevelexperimentaldesignsforinterchangeablepartswithdifferentdegreesofassemblydifficulty AT pinhoandrels mixedtwoandfourlevelexperimentaldesignsforinterchangeablepartswithdifferentdegreesofassemblydifficulty
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Mixed two- and four-level experimental designs for interchangeable parts with different degrees of assembly difficulty

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