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1、ComputersandChemicalEngineering35(2011)1738–1751ContentslistsavailableatScienceDirectComputersandChemicalEngineeringjournalhomepage:www.elsevier.com/locate/compchemengOptimaldesignandglobalsensitivityanalysisofbiomasssupplychainnetworksforbiofuelsunderuncertaintyJinkyun
2、gaa,∗bKim,MatthewJ.Realff,JayH.LeeaSchoolofChemicalandBiomolecularEngineering,GeorgiaInstituteofTechnology,311FerstDrive,NW,Atlanta,GA30332,USAbDepartmentofChemicalandBiomolecularEngineering,KAIST,291Daehak-ro,Daejeon305-701,KoreaarticleinfoabstractArticlehistory:Bio-fu
3、elsrepresentpromisingcandidatesforrenewableliquidfuels.Oneofthechallengesfortheemerg-Received13October2010ingindustryisthehighlevelofuncertaintyinsupplyamounts,marketdemands,marketprices,andReceivedinrevisedform8February2011processingtechnologies.Theseuncertaintiescompl
4、icatetheassessmentofinvestmentdecisions.This9February2011AcceptedpaperAvailableonline15February2011presentsamodelfortheoptimaldesignofbiomasssupplychainnetworksunderuncertainty.Theuncertaintiesmanifestthemselvesasalargenumberofstochasticmodelparametersthatcouldimpactthe
5、Keywords:overallprofitabilityanddesign.ThesupplychainnetworkwestudycoverstheSoutheasternregionoftheUnitedStatesandincludesbiomasssupplylocationsandamounts,candidatesitesandcapacitiesforBiorefinerytwochainkindsoffuelconversionprocessing,andthelogisticsoftransportationfromt
6、helocationsofforestrynetworksSupplyresourcestotheconversionsitesandthentothefinalmarkets.UncertaintyRobustnessToreducethedesignproblemtoamanageablesizetheimpactofeachuncertainparameterontheobjectivefunctioniscomputedforeachendoftheparameter’srange.Theparametersthatcauset
7、heMixedintegerlinearprogrammingGlobalsensitivityanalysismostchangeintheprofitovertheirrangearethencombinedintoscenariosthatareusedtofindadesignthroughatwostagemixedintegerstochasticprogram.Thefirststagedecisionsarethecapitalinvestmentdecisionsincludingthesizeandlocationoft
8、heprocessingplants.Thesecondstagerecoursedecisionsarethebiomassandproductflowsineachscenario.Theobjectiveisthem
