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A Continuous Time Model for Multiple Yard Crane Scheduling with Last Minute Job Arrivals

期刊類型: 
SCI/SSCI
作者姓名: 
Wenkai Li, Mark Goh, Yong Wu, M.E.H.Petering, R.deSouza, Y.C.Wu
期刊名稱: 
International Journal of Production Economics
卷:期: 
36(2)
年份: 
2012
頁數: 
323-343
論文摘要: 
Containerterminal(CT)operationsareoftenbottleneckedbyslowYC(yardcrane)movements.Efficient YC schedulingtoreducethePMwaitingtimeisthereforecriticalinincreasingaCT’sthroughput.This paper developsanefficientcontinuoustimeMILPmodelforYCscheduling.Themodeltreatsrealistic operationalconstraintssuchasmultipleinter-craneinterference,fixedYCseparationdistances, simultaneouscontainerstorage/retrievals,realisticYCacceleration/decelerationstagesandgantry time, andrequirefarfewerintegervariablesthanpreviouswork.Themodelsignificantlyimprovesthe solution qualitycomparedtotheexistingdiscretetimemodelsandotherheuristicsfoundinthe literature.Usingheuristicsandarolling-horizonalgorithm,ourmodelcansolveactualcontaineryard (CY) problemsquicklyandrobustlyinpolynomialtime.Also,tocopewiththelastminutecontainer arrivalswhichcandisruptroutineCToperations,twomethodsforhandlingtheselastminutejob insertionsarediscussedandcompared
發表狀態: 
已發表
關鍵字: 
Container yardoperations ,Continuous time ,Scheduling ,Rolling-horizon algorithm ,Last minutejobs