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Dekker, Rommert
van der Meer, J. Robert
Plasmeijer, Raymond Ph.
Wildeman, Ralph E.
de Bruin, Jacco J.
Year of Publication: 
Series/Report no.: 
Tinbergen Institute Discussion Paper 96-166/9
This paper discusses several strategies for the maintenance of light standards, where each light standard consists of n independent and identical lamps screwed on a chandelier. The lamps are subject to stochastic failures, and must be correctively replaced if the number of failed lamps reaches a prespecified number m; a norm that is set by the local management to guarantee a minimumluminance. As lamps have an increasing failure rate, and there is a fixed cost of hoisting the chandelier, we propose various variants of the m-failure group replacement rule which have in particular an age-criterion to indicate which of the non-failed lamps must be preventively replaced at the time that the chandelier is lowered for a corrective lamp replacement; we show how the optimalthreshold age can be determined. It appears that this modification reduces the long run average maintenance cost of the Europe Combined Terminals with approximately 8.3%.
Document Type: 
Working Paper

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