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| Titel: |
Sequence Dependent Machine Set-Up Times and Similarity of Parts: A Mathematical Model |
| Auteur: |
Charles-Owaba, O. E. Lambert, B. K. |
| Verschenen in: |
IIE transactions |
| Paginering: | Jaargang 20 (1988) nr. 1 pagina's 12-21 |
| Jaar: |
1988-03-01 |
| Inhoud: |
This paper attempts to develop a mathematical relation between machine set-up times and similarity of parts. First, the task for setting up a machine was broken down into a distinct number of elements whose state was expressed as a binary vector called set-up task elimination vector. By introducing a corresponding rime vector, it was shown that sequence dependent set-up time is the product of the two vectors. Next, a quantitative relation between set-up tasks and the design characteristics of parts was defined as a binary interaction matrix while the similarity of parts was defined as a binary vector. It turned out that the set-up tasks elimination vector is the Boolean product of the interaction matrix and the similarity vector. Using this information, a machine set-up model was developed in terms of similarity of parts. The computation of machine set-up times and a sequencing heuristic using the model were illustrated. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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