Title of article :
Bicriteria roboticoperationallocationinaflexiblemanufacturingcell
Author/Authors :
Hakan Gultekin، نويسنده , , M.SelimAkturkb، نويسنده , , OyaEkinKarasanb، نويسنده ,
Issue Information :
ماهنامه با شماره پیاپی سال 2010
Abstract :
Consider amanufacturingcelloftwoidenticalCNCmachinesandamaterialhandlingrobot.Identical
parts requestingthecompletionofanumberofoperationsaretobeproducedinacyclicschedulingen-
vironment throughaflowshoptypesetting.Theexistingstudiesintheliteratureoverlooktheflexibility
of theCNCmachinesbyassumingthatboththeallocationoftheoperationstothemachinesaswellas
their respectiveprocessingtimesarefixed.Consequently,theprovidedresultsmaybeeithersuboptimal
or validunderunnecessarilylimitingassumptionsforaflexiblemanufacturingcell.Theallocationsofthe
operations tothetwomachinesandtheprocessingtimeofanoperationonamachinecanbechanged
by alteringthemachiningconditionsofthatmachinesuchasthespeedandthefeedrateinaCNC
turning machine.Suchflexibilitiesconstitutethepointoforiginofthecurrentstudy.Theallocationof
the operationstothemachinesandthemachiningconditionsofthemachinesaffecttheprocessingtimes
which, inturn,affectthecycletime.Ontheotherhand,themachiningconditionsalsoaffectthemanu-
facturing cost.Thisstudyisthefirsttoconsiderabicriteriamodelwhichdeterminestheallocationofthe
operations tothemachines,theprocessingtimesoftheoperationsonthemachines,andtherobotmove
sequence thatjointlyminimizethecycletimeandthetotalmanufacturingcost.Weprovidealgorithms
for thetwo1-unitcyclesandtesttheirefficiencyintermsofthesolutionqualityandthecomputation
time byawiderangeofexperimentsonvaryingdesignparameters.
Keywords :
Robotic cell , Operation allocation , CNC , Bicriteria scheduling
Journal title :
Computers and Operations Research
Journal title :
Computers and Operations Research
