Title of article
A sparepartsmodelwithcold-standbyredundancyonsystemlevel
Author/Authors
Karin S.deSmidt-Destombes ، نويسنده , , NicoleP.vanElst، نويسنده , , AnaIsabelBarros، نويسنده , , HarmMulder c، نويسنده , , Jan A. M. Hontelez، نويسنده ,
Issue Information
ماهنامه با شماره پیاپی سال 2011
Pages
7
From page
985
To page
991
Abstract
This paperpresentsavariantofasparepartsinventorymodelwithcoldstand-byredundancyonsystem
level.Redundancyonsystemlevelimpliesthatnotallsystemsneedtobeoperationalinordertohavethe
wholesystemoperational.Thecoldstand-byfeatureimpliesthatonlytheminimumrequiredsystemsare
operational.Inordertodetermineacosteffectivesparepartspackagesuchthatinacoldstand-by
redundancysituationasufficientnumberofsystemsisoperationalforaspecifiedperiodweextendthe
METRIC methodology.Tocomputetheprobabilitythatthenumberofoperatingsystemsduringthe
operationalperiodissufficient,wepresentbothanexact,buttime-consumingmethod,andafast
approximationmethodbasedonfittingdistributionsonthefirsttwomoments.Thisapproximation
methodshowsverysmalldifferenceswhencomparedtotheexactmethod.Finally,wecompareboth
methodstoasimulationmodelinordertotestthevalidityandimpactofourmodelling.
Keywords
Metric , Logistics , Spare parts , Inventory , System redundancy
Journal title
Computers and Operations Research
Serial Year
2011
Journal title
Computers and Operations Research
Record number
927917
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