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Leveling the flow of planned train maintenance
KTH, School of Engineering Sciences (SCI), Mathematics (Dept.), Optimization and Systems Theory.
2012 (English)Independent thesis Advanced level (degree of Master (One Year)), 20 credits / 30 HE creditsStudent thesisAlternative title
  (English)
Abstract [en]

This master thesis report presents a model for leveling of the workload in preventivetrain maintenance, useful to improve workshop eciency and production quality. The recurring maintenance tasks for one trainset are arranged in relation to each other,ensuring that the tasks are performed often enough and that the workload is roughlythe same at every maintenance occasion. Literature of previous work has been sought for,but with limited success. Both a linear minimax optimization program and a quadraticprogram have been formulated, and a solution to the linear problem is presented. The quadratic model was not solvable in reasonable time. Further evaluation of the manhours actually needed for the tasks is recommended before implementation.

Place, publisher, year, edition, pages
2012.
Series
Trita-MAT. OS, ISSN 1401-2294 ; S195
Identifiers
URN: urn:nbn:se:kth:diva-102690OAI: oai:DiVA.org:kth-102690DiVA: diva2:555823
Educational program
Master of Science - Mathematics
Supervisors
Examiners
Available from: 2012-09-27 Created: 2012-09-21 Last updated: 2012-09-27Bibliographically approved

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