On a number theoretic property of optimal maintenance grouping

Aart van Harten, G.C. van Dijkhuizen, J.G.M. Mars

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Abstract

In this paper we consider the problem of preventive maintenance of a failure prone system, for which a number of maintenance actions has to be executed on a regular basis. For each action i the frequency is prescribed. Between consecutive actions of type i there is an integer interspacing of T(i) time units. The set-up costs are activity dependent. The set-up structure is supposed to be tree-like and additive over the set-up nodes involved in the action or group of actions. Hence, for different activities with common setup nodes joint execution leads to set-up costs reduction. The question is how the actions should be arranged in time in order to exploit this set-up costs reduction effect maximally. It is shown that the time averaged set-up costs are minimal if a main peak clustering property is satisfied: all maintenance actions are combined at one moment in time. Intuitively, this property is appealing, but it asks for some interesting and non-trivial applications of number theory and inductive reasoning, to prove it.
Original languageEnglish
Place of PublicationEindhoven
PublisherTU Eindhoven, Research School for Operations Management and Logistics (BETA)
Publication statusPublished - 1999

Publication series

NameBETA Working Paper
PublisherUniversity of Eindhoven, BETA
No.WP-45

Keywords

  • IR-95679
  • METIS-128069

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    van Harten, A., van Dijkhuizen, G. C., & Mars, J. G. M. (1999). On a number theoretic property of optimal maintenance grouping. (BETA Working Paper; No. WP-45). Eindhoven: TU Eindhoven, Research School for Operations Management and Logistics (BETA).