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Scheduling optimiza...
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Thörnblad, Karin,1971Gothenburg University,Göteborgs universitet,Institutionen för matematiska vetenskaper,Department of Mathematical Sciences,University of Gothenburg,Chalmers tekniska högskola,Chalmers University of Technology
(författare)
Scheduling optimization of a real flexible job shop including fixture availability and preventive maintenance
- Artikel/kapitelEngelska2015
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LIBRIS-ID:oai:gup.ub.gu.se/167036
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https://gup.ub.gu.se/publication/167036URI
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https://doi.org/10.1504/EJIE.2015.067451DOI
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https://research.chalmers.se/publication/167036URI
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The multitask cell at GKN Aerospace Sweden is a flexible job shop containing ten resources aimed at being flexible with regard to product mix and processing types. We present a time-indexed formulation of the problem of optimally scheduling the planned jobs on the resources, also considering a limited availability of fixtures as well as required preventive maintenance activities. The objective is to minimize a weighted sum of the completion times and tardiness for the jobs, where the tardiness weight for a given job is a non-increasing function of its due date. We propose a fast iterative approach to finding a suitable value of the length of the time horizon that needs to be set for the time-indexed formulation and which considerably influences the computation time. Computational results show that the method developed is able to produce optimal, or near-optimal, schedules for real data instances within an acceptable practical time frame.
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Strömberg, Ann-Brith,1961Gothenburg University,Göteborgs universitet,Institutionen för matematiska vetenskaper, matematik,Department of Mathematical Sciences, Mathematics,University of Gothenburg,Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)anstr
(författare)
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Patriksson, Michael,1964Gothenburg University,Göteborgs universitet,Institutionen för matematiska vetenskaper, matematik,Department of Mathematical Sciences, Mathematics,University of Gothenburg,Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)mipat
(författare)
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Almgren, Torgny,1962Gothenburg University,Göteborgs universitet,Institutionen för matematiska vetenskaper, matematik,Department of Mathematical Sciences, Mathematics,University of Gothenburg,Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)torgnya
(författare)
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Göteborgs universitetInstitutionen för matematiska vetenskaper
(creator_code:org_t)
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Ingår i:European Journal of Industrial Engineering9:1, s. 126-1451751-52541751-5262
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