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1 Decision Making in Manufacturing and Services

1 2007

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Optimizing modular machining line design problem with mixed activation mode of machining units

Belmokhtar S., Dolgui A., Delorme X., Ignatenko I.

Decision Making in Manufacturing and Services

2007

Vol. 1, no. 1-2

35-48

A modular transfer line designing problem is investigated. The problem is to find the best subset of modules (machining units) from a given set and to assign them to different stations so that technological constraints and cycle upper limit are respected and the line cost is minimal. The investigated lines have a mixed activation mode for the machining units of each station, i. e. the units of each station are arranged into a series of stages such that each stage is composed of several units activated in parallel. A mixed integer program approach is proposed to model and solve the corresponding design problem. Improvements are suggested in order to reduce the model size and speed up the computations.