Two-machine flow shop with dynamic storage space

Joanna Berlińska, Alexander Kononov, Yakov Zinder

Результат исследования: Научные публикации в периодических изданияхстатьярецензирование

Аннотация

The publications on two-machine flow shop scheduling problems with job dependent storage requirements, where a job seizes a portion of the storage space for the entire duration of its processing, were motivated by various applications ranging from supply chains of mineral resources to multimedia systems. In contrast to the previous publications that assumed that the availability of the storage space remains unchanged, this paper is concerned with a more general case when the availability is a function of time. It strengthens the previously published result concerning the existence of an optimal permutation schedule, shows that the variable storage space availability leads to the NP-hardness in the strong sense even for unit processing times, and presents a polynomial-time approximation scheme together with several heuristic algorithms. The heuristics are evaluated by means of computational experiments.

Язык оригиналаанглийский
Число страниц22
ЖурналOptimization Letters
DOI
СостояниеОпубликовано - 17 сен 2020

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