简介：Duetothelongoperationcycleofmaritimetransportationandfrequentfluctuationsofthebunkerfuelprice,therefuelingexpenditureofacharteredshipatdifferenttimeorportsofcallmakesignificantdifference.Fromtheperspectiveofshippingcompany,anoptimalsetofrefuelingschemesforashipfleetoperatingondifferentvoyagecharterroutesisanimportantdecision.Toaddressthisissue,thispaperpresentsanapproachtooptimizetherefuelingschemeandtheshipdeploymentsimultaneouslywithconsideringthetrendoffuelpricefluctuations.Firstly,anARMAmodelisappliedtoforecastatimeserialsofthefuelprices.Thenamixed-integernonlinearprogrammingmodelisproposedtomaximizetotaloperatingprofitoftheshippingcompany.Finally,acasestudyonachartercompanywiththreebulkcarriersandthreevoyagecharterroutesisconducted.Theresultsshowthattheoptimalsolutionsavesthecostof437,900USDcomparedwiththetraditionalrefuelingscheme,andverifytherationalityandvalidityofthemodel.