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Considering start-ups and shutdowns using an optimisation tool – Including a dairy production planning case study
Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Energisystem. Linköpings universitet, Tekniska högskolan.
Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Energisystem. Linköpings universitet, Tekniska högskolan.
2013 (Engelska)Ingår i: Applied Energy, ISSN 0306-2619, E-ISSN 1872-9118, Vol. 107, s. 338-349Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

There are many different aspects a production-planning model has to be able to handle to make a model adequate for the purpose. One aspect is the handling of start-ups and shutdowns for different processes. The production plan is likely to be changed when considering, for example, a cost connected to the start-up and/or shutdown of processes. Besides costs associated with start-ups and shutdowns, waste may be produced during the start-up and shutdown. However, there is also the possibility of carrying out soft start-ups and shutdowns or limiting the number of start-ups and shutdowns. Thus, start-ups and shutdowns have to be handled in an adequate way in models to produce reliable and accurate results. In optimisation tools, this may be dealt with by introducing certain constraints, including integers. In this paper, the implementation of alternative ways to consider start-ups and shutdowns are presented. This is done in the energy system optimisation tool reMIND, which deals with Mixed Integer Linear Programming (MILP) problems. The purpose of this paper is to show four alternatives to consider start-ups and shutdowns in optimisation models. This involves, in total, almost 50 constraints. Also, a simple dairy case study is included in the paper to visualise the effect of implementing the different alternatives to shutdowns.

Ort, förlag, år, upplaga, sidor
Elsevier , 2013. Vol. 107, s. 338-349
Nyckelord [en]
MILP, Optimisation, Production planning, Start-up, Shutdown
Nationell ämneskategori
Teknik och teknologier
Identifikatorer
URN: urn:nbn:se:liu:diva-93954DOI: 10.1016/j.apenergy.2013.02.050ISI: 000318456700030OAI: oai:DiVA.org:liu-93954DiVA, id: diva2:628300
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Funding Agencies|Swedish Energy Agency (SEA)||

Tillgänglig från: 2013-06-13 Skapad: 2013-06-13 Senast uppdaterad: 2017-12-06

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Karlsson, MagnusMardan, Nawzad

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