Title of article
A memeticalgorithmforthemulti-compartmentvehicleroutingproblemwith stochastic demands
Author/Authors
Jorge L. Mendoza، نويسنده , , BrunoCastanier، نويسنده , , ChristelleGuéret، نويسنده , , AndrésL.Medagliab، نويسنده , , NubiaVelascob، نويسنده ,
Issue Information
ماهنامه با شماره پیاپی سال 2010
Pages
13
From page
1886
To page
1898
Abstract
The multi-compartmentvehicleroutingproblem(MC-VRP)consistsofdesigningtransportationroutes
to satisfythedemandsofasetofcustomersforseveralproductsthat,becauseofincompatibilitycon-
straints, mustbeloadedinindependentvehiclecompartments.Despiteitswidepracticalapplicability
the MC-VRPhasnotreceivedmuchattentionintheliterature,andthefewexistingmethodsassume
perfect knowledgeofthecustomerdemands,regardlessoftheirstochasticnature.Thispaperextends
the MC-VRPbyintroducinguncertaintyonwhatitisknownastheMC-VRPwithstochasticdemands
(MC-VRPSD). TheMC-VRPSDismodeledasastochasticprogramwithrecourseandsolvedbymeans
of amemeticalgorithm.Theproposedmemeticalgorithmcouplesgeneticoperatorsandlocalsearch
procedures proventobeeffectiveondeterministicroutingproblemswithanovelindividualevaluation
and reparationstrategythataccountsforthestochasticnatureoftheproblem.Thealgorithmwastested
on instancesofupto484customers,anditsresultswerecomparedtothoseobtainedbyasavings-based
heuristic andamemeticalgorithm(MA/SCS)fortheMC-VRPthatusesasparecapacitystrategytohandle
demand fluctuations.InadditiontoeffectivelysolvetheMC-VRPSD,theproposedMA/SCSalsoimproved
14 bestknownsolutionsina40-problemtestbedfortheMC-VRP.
Keywords
Multi-compartment vehicle routing problem , Stochastic demands , Evolutionary algorithms , Memetic algorithms
Journal title
Computers and Operations Research
Serial Year
2010
Journal title
Computers and Operations Research
Record number
927795
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