物流规划中的双层优化模型与方法研究

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1、天津大学硕士学位论文物流规划中的双层优化模型与方法研究姓名：周蕾申请学位级别：硕士专业：管理科学与工程指导教师：杜纲20070101ABSTRACTAsthefastdevelopmentofworldeconomyandmodemtechnology,modemlogisticsindustryhasbecomeallimportantcomponentofmodemeconomy,andaneconomicallyintegrativeservicepattemintheprocessofindustrialization．Atthesametime，fier

2、cemarketcompetitionforcesenterprisesdevotetheircontinuousattentiontoon—goingimprovementofthelogisticsprogramminginordertomeetusers’requestfortheproducts．Thusformsanewlogisticsprogrammingmode．Howtobuildaconformablelogisticsprogrammingmodeltoprovidedecisionsupportwithquantitativemethodi

3、saninterestingtopicdeservedstudy．Bi．1evelprogrammingemphasizesglobaloptimizationofsystemthathashierarchicalstructure．That’Sjustcharacterizationoflogisticsprogrammingproblem．Sobi．1evelprogrammingisusedtOmodelandsolvelogisticsprogrammingprobleminthisdissertation．Bi—levelmodelandmethodin

4、logisticsprogrammingareresearchedbasedonsummarizingrelativetheoryinthepaper．Themaincontentis：1．Basedontheanalysisofcontentandcharacteristiesoftransportation．decision．making，atransportationdecision—makingbi—levelprogrammingmodelisbuilt．Consideringthecharactersofthemodel，amethodbasedong

5、eneticalgorithmsisputforward．2：Distributioricenterlocationbi—levelparametersisbuilt．Transformthemodelintoprogrammingmodelwithfuzzychance—constrainedbi·-levelprogrammingmodelusingconfidencelevelofmax—demand，max’capacity,andmax-attraction．Thenbasedonpossibilitytheory,themodelistransform

6、edintocertainbi．1evelprogrammin’gmodelwhichcanbesolveddirectly．Consideringthecharactersofthemodel，asearchmethodbasedongeneticalgorithmsisdesigned．3．Bi—levelmodelandmethodintheprogrammingoflogisticscenterisstated．Basedonthestudyoflogisticscenter'smainfunctions，classesandoperationpatter

7、ns，severalbi．1evelmethodsandmodelsareanalyzed，including：logisticscenterlocationdecision．makingcombiningrouting，customerneedsandeconomicalscale．Thenabi．．1evelmodeloftheexpansiondesignforlogisticscenterisstated．4．Onthebasisofchapter4and5，bi-levelprogrammingmodelsintheTianjinAirportLogis

8、ticsP