Three-tank hoist scheduling problem with unbounded or zero-width processing windows


International audienceOn surface treatment lines, the products are transferred in successive tanks by a hoist. Aninteresting problem for this kind of lines is to find the hoist moves which maximise productivity. Moreover, each processing time is nested between a minimal and a maximal duration. This constraint is called the processing window constraint. This paper deals with a production of identical parts in a balanced three-tank line. We prove that for zero-width or unbounded processing windows, 1- and 2-cycles are optimal

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This paper was published in Hal - Université Grenoble Alpes.

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