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| Author(s): |
Fernando Bernardi de Souza
Total Authors: 1
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| Document type: | Doctoral Thesis |
| Press: | São Carlos. |
| Institution: | Universidade de São Paulo (USP). Escola de Engenharia de São Carlos (EESC/SBD) |
| Defense date: | 2001-12-20 |
| Examining board members: |
Oswaldo Luiz Agostinho;
Luiz César Ribeiro Carpinetti;
Paulo Corrêa Lima;
Silvio Roberto Ignácio Pires;
Maria Creusa Bretas Salles
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| Advisor: | Oswaldo Luiz Agostinho; Antonio Freitas Rentes |
| Abstract | |
Most of the researches on production capacity allocation among resources, proposes the use of balanced and bowI allocation as the most efficient methods in terms of performance. Such studies were generally based on simplified push production systems, not considering other production pIanning and controI systems (PPC). On the other hand, studies about efficiency of PPC systems don\'t consider the effect of different criteria of capacity allocation on the performance of the PPC systems. The purpose of this research is to investigate how different capacity allocation criteria and different PPC systems interreIate among each other. The major performance criteria used to rank each combination was the resulting throughput, considering several average and maximum levels of work in process (WIP) in a production line with five resources. Eight different types of capacity allocation criteria and four types of PPC systems were studied, with three levels of unbalanced loads, three levels of variability coefficient for processing times and tive maximum WIP levels. A simulation tool was used in order to generate the models and run 1386 different scenarios. As a result, it could be noticed a strong interrelationship between the allocation criteria and the PPC systems. The research also showed, on the contrary of many studies on this subject, that for all the combination tested, none of capacity allocation criteria nor PPC systems stood out on the best option. (AU) | |