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Approximation algorithms for two-stage flexible flow shop scheduling
Journal of Combinatorial Optimization, 2019This paper deals with a two-stage flexible flow shop problem with a single machine at the first stage and \(m\) identical parallel machines at the second stage. The optimization criterion is the minimization of the makespan. First, a \((2 + \epsilon)\)-approximation algorithm is given.
Zhang, Minghui, Lan, Yan, Han, Xin
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Sequence-dependent group scheduling problems in flexible flow shops
International Journal of Production Economics, 2006Abstract Group scheduling within the context of sequence dependent setup times in flexible flow shops is considered in this paper. Flexible flow shops are becoming very popular in industry practice, primarily because of large workloads required by jobs within groups on some machine types.
Rasaratnam Logendran +2 more
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Scheduling flexible flow shops with sequence-dependent setup effects
IEEE Transactions on Robotics and Automation, 2000This paper presents a Lagrangian relaxation-based approach for production scheduling of flexible flow shops (PSFFS) where sequence-dependent setup effects are significant. PSPFS is first formulated as a separable integer programming problem with synchronization constraints between production and machine usage. Lagrangian relaxation is then applied, and
null Chung-Yang Liu +1 more
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Metaheuristiken für ein stochastisches flexibles Flow-Shop-Problem
2009Die vorliegende Diplomarbeit untersucht das stochastische fexible Flow-Shop-Problem mit begrenztem Puffer zwischen zwei vorhandenen Stufen. Maschinenausfällen und Variation der Bearbeitungszeit werden als stochastische Einflüsse berücksichtigt. Als Zielfunktionen für die Untersuchungen dienen Maschinenauslastung, Pufferstand und durchschnittliche ...
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New formulation for scheduling flexible flow shop problems
International Journal on Interactive Design and Manufacturing (IJIDeM), 2023Majid Esmaelian +2 more
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A parallel hybrid PSO-GA algorithm for the flexible flow-shop scheduling with transportation
Computers and Industrial Engineering, 2022Iraj Mahdavi, Erfan Babaee Tirkolaee
exaly
Scheduling tasks in the flexible flow shop with vehicles
2002International ...
Pawlak, G. +2 more
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Bilevel learning for large-scale flexible flow shop scheduling
Computers & Industrial Engineering, 2022Longkang Li +8 more
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Effective constructive heuristics for distributed no-wait flexible flow shop scheduling problem
Computers and Operations Research, 2021Dechang Pi
exaly