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Hierarchical Production Scheduling: A Case Study at Perstorp
Lund University, Sweden. (Department of Automatic Control)
Linköping University, Department of Mathematics, Optimization . Linköping University, The Institute of Technology. (Division of Optimization)ORCID iD: 0000-0002-9881-4170
Linköping University, Department of Management and Engineering, Production Economics. Linköping University, The Institute of Technology.
2014 (English)In: 24th European Symposium on Computer Aided Process Engineering / [ed] Jiří Jaromír Klemeš, Petar Sabev Varbanov and Peng Yen Liew, Elsevier, 2014, 511-516 p.Conference paper, Published paper (Refereed)
Abstract [en]

Planning and scheduling are functions that have large economic impact in the chemical process industry. For integrated sites with many interconnected production areas, obtaining production schedules that respect all production-related constraints is a complex task. One important issue is the constraints due to disturbances in utilities, such as steam and cooling water. These are often site-wide disturbances that may make it impossible to maintain desired production rates in several production areas at a site. In this study, scheduling at two levels of the functional hierarchy at a site of a world lead chemical industry, Perstorp, is handled. The activities are denoted production scheduling (PS) and detailed production scheduling (DPS). Real data of incoming orders and utility disturbances are used to produce a production schedule and detailed production schedule for one month. The PS and DPS problems are formulated as optimization problems, where production-related constraints such as production rate constraints, inventory limitations, and start-up costs are included. The objective functions of the PS and DPS problems are formulated to reflect the importance of different issues at the site. The procedure aims to show how the hierarchical optimization framework may be used to provide decision support for how to operate the production at a site in order to maximize profit while minimizing the effects of site-wide disturbances.

Place, publisher, year, edition, pages
Elsevier, 2014. 511-516 p.
Series
Computer Aided Chemical Engineering, 33
Keyword [en]
production scheduling, utility disturbances, chemical industry, optimization
National Category
Production Engineering, Human Work Science and Ergonomics
Identifiers
URN: urn:nbn:se:liu:diva-114507DOI: 10.1016/B978-0-444-63456-6.50086-7ISBN: 978-0-444-63434-4 (print)OAI: oai:DiVA.org:liu-114507DiVA: diva2:790504
Conference
24th European Symposium on Computer Aided Process Engineering – ESCAPE 24, June 15-18, 2014, Budapest, Hungary.
Projects
Process Industry Centre (PIC)
Funder
Swedish Foundation for Strategic Research
Available from: 2015-02-24 Created: 2015-02-24 Last updated: 2015-11-24Bibliographically approved

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Quttineh, Nils-HassanLidestam, Helene

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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Language
  • de-DE
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  • sv-SE
  • Other locale
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Output format
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