Title of article :
Infeasibilityhandlingingeneticalgorithmusingnesteddomainsfor
productionplanning
Author/Authors :
MaristelaOliveiraSantos ، نويسنده , , SadaoMassago، نويسنده , , BernardoAlmada-Lobo ، نويسنده ,
Issue Information :
ماهنامه با شماره پیاپی سال 2010
Abstract :
In thispaperwepresentageneticalgorithmwithnewcomponentstotacklecapacitatedlotsizingand
schedulingproblemswithsequencedependentsetupsthatappearinawiderangeofindustries,from
soft drinkbottlingtofoodmanufacturing.
Findingafeasiblesolutiontohighlyconstrainedproblemsisoftenaverydifficulttask.Various
strategieshavebeenappliedtodealwithinfeasiblesolutionsthroughoutthesearch.Weproposeanew
scheme ofclassifyingindividualsbasedonnesteddomainstodeterminethesolutionsaccordingtothe
level ofinfeasibility,whichinourcaserepresentsbandsofadditionalproductionhours(overtime).
Within eachband,individualsarejustdifferentiatedbytheirfitnessfunction.Asiterationsare
conducted, thewidthsofthebandsaredynamicallyadjustedtoimprovetheconvergenceofthe
individuals intothefeasibledomain.
The numericalexperimentsonhighlycapacitatedinstancesshowtheeffectivenessofthis
computationaltractableapproachtoguidethesearchtowardthefeasibledomain.Ourapproach
outperformsotherstate-of-the-artapproachesandcommercialsolvers.
Keywords :
Capacitated lot sizing and scheduling , Feasible solutions , Genetic algorithms , Nested domains
Journal title :
Computers and Operations Research
Journal title :
Computers and Operations Research