基于三種模糊需求下的庫存問題研究.pdf

1、合肥工業(yè)大學(xué)碩士學(xué)位論文基于三種模糊需求下的庫存問題研究姓名：趙明申請學(xué)位級別：碩士專業(yè)：應(yīng)用數(shù)學(xué)指導(dǎo)教師：周永務(wù)20050501ResearchontheInventoryProblemsBasedonThreeTypesofFuzzyDemandsABSTRACTThispaperstudiestheinventoryproblemsⅥiththreetypesoffuzzydemands(1)Thenewsboyproblemwi

2、ththerandomfuzzydemandFirst，thispaperdiscussesthenewsboyproblemforasingleitemwiththefuzzyuniformandfuzzy—exponentialdemanddistributionsThentheproblemisextendedtothecaseswiththefuzzy—freedemanddistributioncoveringasinglei

3、temandmultipleitemswithfuzzycapacityconstraintsThecorrespondingorderingstrategiesamalsogiven(2)TheproblemwiththepricedependentandfuzzydemandThispaperdiscussestwocaseswithoutorwiththeleadtimeandshortagesrespectivelyThenth

4、eoptimalordering—pricestrategiesareprovided(3)Theoptimalordertimeandeconomiclot—sizeproblemwiththelinearlytimevaryingfuzzydemandUndertheassumptionthatthedemandfunctionisfuzzythesolvingmethodforfindingtheoptimalordertimea

5、ndquantit3，『isgiveninthispaperConsideringthedefectsofmodelingmethodinthepreviousmodels，wefirstlytransformtheoriginalproblemintoafuzzynonlinearprogrammingwithfuzzyconstraintsandthenfurtherrewriteitasadeterministicnonlinea

6、rprogrammingaccordingtothemax—minoperatorTheoptimalsolutionsaregivenbyusingtheLagrangeanMultiplier’sMethodatlastThroughsomepropertiesoftheoptimalsolutionsandsomenumericalexamples，weanalysetheimpactofthedemand’sfuzzinesso

7、nthemodels’solutionsandtheretailer’sorderingstrategiesComparedwiththispaperthedefectsoftheprecedingmodelingmethodsateindicatedatthesametime，whichfurthershowsthatol／rmethodisbetterandmoreapplicablethantheexistingonesKeywo