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Applicability of Constraint Solving and Simulated Annealing to Real-World Scale University Course Timetabling Problems
KTH, School of Electrical Engineering and Computer Science (EECS).
KTH, School of Electrical Engineering and Computer Science (EECS).
2019 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
Tillämpbarhet av villkorsprogrammering och simulerad härdning för universitetsschemaläggningsproblem på realistisk skala (Swedish)
Abstract [en]

The university course timetabling problem is the problem of creating a schedule for university courses under certain constraints. The decision variant of this optimisation problem is NP-complete. We have researched this problem and implemented the heuristic simulated annealing. This implementation has been compared with respect to time to the constraint solver CPSolver, based on iterative forward search. Our results show that CPSolver scales better for large problem instances. Simulated annealing as implemented by us is thus not suitable in itself for generating valid solutions to this problem on a real-world scale.

Abstract [sv]

Universitetsschemaläggningsproblemet går ut på att skapa ett schema för universitetskurser under vissa villkor. Beslutsversionen av detta optimeringsproblem är NP-fullständig. Vi har undersökt problemet och implementerat heuristiken simulerad härdning. Denna har jämförts med avseende på tid med villkorsprogrammeringslösaren CPSolver, som är baserad på iterativ framåtsökning. Våra resultat visar att CPSolver skalar bättre för stora probleminstanser. Simulerad härdning som implementerad av oss är därför inte i sig lämplig för att generera giltiga lösningar till verklighetstrogna probleminstanser.

Place, publisher, year, edition, pages
2019. , p. 23
Series
TRITA-EECS-EX ; 2019:358
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:kth:diva-259761OAI: oai:DiVA.org:kth-259761DiVA, id: diva2:1353500
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Examiners
Available from: 2019-10-02 Created: 2019-09-23 Last updated: 2022-06-26Bibliographically approved

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CiteExportLink to record
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