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Formal DEVS modelling and simulation of a Flow-Shop relocation method without interrupting the production

Abstract : This paper presents an organisational method to keep the production going during the removal of a flow-shop. Assume a flow-shop system is to be moved on a new site and its production has to continue, our method can be applied to follow requests for the removal period. The method works as follows: we segment the removals in groups of machines and move them ones after the others. This method can be successfully executed provided that a prime condition is met: envisaging sufficient stocks’ plug between each group. The role of the latter stocks is to ensure operations’ production continuity between the old and the new site, when the non-operational group is being removed. Removal is then renewed until the whole line is moved and is operational on the new site. To validate this approach, we have used simulation and developed a model of the flow-shop according to coupled DEVS formalism. Our model enables to segment a production line. As a consequence, we can simulate the sequential displacement of machines’ groups towards the new site. Among the solutions suggested, those starting with the final group (finished products) and while finishing with the first group are much more effective. In this paper, we present and discuss some simulation results of an industrial case study. The results demonstrate the compared effectiveness of various strategies of removal, and make possible for the industrialist to envisage a good estimated project management.
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Submitted on : Wednesday, October 14, 2015 - 7:36:39 PM
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  • HAL Id : hal-01212617, version 1


Patrick Pujo, Massimo Pedetti, Norbert Giambiasi. Formal DEVS modelling and simulation of a Flow-Shop relocation method without interrupting the production. Simulation Modelling Practice and Theory, Elsevier, 2006, 14, pp.817-842. ⟨hal-01212617⟩



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