Title of article :
A penalty-basededgeassemblymemeticalgorithmforthevehicleroutingproblem
with timewindows
Author/Authors :
Yuichi Nagata، نويسنده , , OlliBr¨aysyb، نويسنده , , WoutDullaertc، نويسنده , , d، نويسنده ,
Issue Information :
ماهنامه با شماره پیاپی سال 2010
Abstract :
In thispaper,wepresentaneffectivememeticalgorithmforthevehicleroutingproblemwithtime
windows (VRPTW).Thepaperbuildsuponanexistingedgeassemblycrossover(EAX)developedforthe
capacitated VRP.TheadjustmentsoftheEAXoperatorandtheintroductionofanovelpenaltyfunction
to eliminateviolationsofthetimewindowconstraintaswellasthecapacityconstraintfromoffspring
solutions generatedbytheEAXoperatorhaveprovenessentialtotheheuristicʹsperformance.Experi-
mental resultsonSolomonʹsandGehringandHombergerbenchmarksdemonstratethatouralgorithm
outperforms previousapproachesandisabletoimprove184best-knownsolutionsoutof356instances.
Keywords :
Memetic algorithm , Time Windows , Penalty function , vehicle routing
Journal title :
Computers and Operations Research
Journal title :
Computers and Operations Research