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| Author: | Dekker, R. |
| Title: | Maintenance of light-standards - a case study |
| Journal: | Journal of the Operational Research Society
1998 : FEB, VOL. 49:2, p. 132-143 |
| Index terms: | MAINTENANCE ENERGY CONSUMPTION SERVICE |
| Language: | eng |
| Abstract: | 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 lamp assembly. The lamps are subject to stochastic failures, and must be correctly replaced if the number of failed lamps reaches a prespecified number m, a norm that is set by the local management to guarantee a minimum luminance. As lamps have an increasing hazard rate and there is a fixed cost of hoisting the assembly, the authors 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 assembly is lowered for a corrective lamp replacement. |
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