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Utilize este identificador para citar ou criar um link para este item: http://acervodigital.unesp.br/handle/11449/66246
Título: 
Joint conomic design of x̄ and R charts under Weibull shock models
Autor(es): 
Instituição: 
  • University of New Brunswick
  • Universidade Estadual Paulista (UNESP)
ISSN: 
0020-7543
Resumo: 
This paper deals with the joint economic design of x̄ and R charts when the occurrence times of assignable causes follow Weibull distributions with increasing failure rates. The variable quality characteristic is assumed to be normally distributed and the process is subject to two independent assignable causes (such as tool wear-out, overheating, or vibration). One cause changes the process mean and the other changes the process variance. However, the occurrence of one kind of assignable cause does not preclude the occurrence of the other. A cost model is developed and a non-uniform sampling interval scheme is adopted. A two-step search procedure is employed to determine the optimum design parameters. Finally, a sensitivity analysis of the model is conducted, and the cost savings associated with the use of non-uniform sampling intervals instead of constant sampling intervals are evaluated.
Data de publicação: 
10-Set-2000
Citação: 
International Journal of Production Research, v. 38, n. 13, p. 2871-2889, 2000.
Duração: 
2871-2889
Palavras-chaves: 
  • Failure (mechanical)
  • Industrial economics
  • Sensitivity analysis
  • Vibrations (mechanical)
  • Wear of materials
  • Weibull distribution
  • Overheating
  • Manufacture
Fonte: 
http://yadda.icm.edu.pl/yadda/element/bwmeta1.element.elsevier-512df70d-4b1e-36ed-b4ef-86b3df61c2e3
Endereço permanente: 
Direitos de acesso: 
Acesso restrito
Tipo: 
outro
Fonte completa:
http://repositorio.unesp.br/handle/11449/66246
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