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ID:36418509
大小:6.56 MB
页数:120页
时间:2019-05-10
《公路快速货运系统优化配置与组织协调方法研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、AbstractEconomicconstructionandsocialdevelopmentinourcountryhavealreadyenteredanewstagebuildingthewel】’offsocietyandpushingmodemization,therequestforroadtransportdevelopmentisthat”quality”and”quantity”areasequallyimponant.DeVelopinghighwayexpressfteighttrans
2、portationistheinlponantwaytoimproVetbe”quality”ofroadtransportation.Soitshowsimportantlytheoreticalandpracticals迳ni6cationstostudyeV01utionmechanism,optimalcollocationan’do唱anizingcoordinationofhighwayexpressfreighttransponationsystem.Thebasiccontentsandment
3、hodsofoptimalc01locationando唱anizingcoordiIlationofh逗hwayej【pressfreighttransponationsystemarebuiltguidedbysystemanalysisapproachandbasedontheprincipleofgeneralroadtransponation.Then,ananalysistrainispresentedwhichisf两mpantowhole,frommicrocosmictomacroscopic
4、andfrominfrastructure1ayouttosystemoperationtoanalyzehighwayexpressfreighttransportationsystem.Fromtheaspectofbasicconnotatjonandepitaxyofhi曲wayexpressf琵i曲ttransponationsystem,theconcept,fornlationcauses,structuresandcharacteristicsofitarediscussed.According
5、tothei11frastructurenetworklayer,operationnetwork1ayerandinformationnetworklayer,thedeVelopillgtrendsofhighwayexpressfteighttransponationsystemarediscussed.Contraposingtotheidentitiesofhumanfactorandsocialeconomysystemofhighwayexpressfreighttransponationsyst
6、em,thecharacteristicsofopenness,non.equilibrium,nuctuationandnonlinearofthesystemareanalyzedusingtheDissipatiVeStructureT.}leory.HugefluctuationsofsystemelementscausedbynonlinearfunctionaretheinherentmechanismthatgivesbinhtOsteady,orderlystmctureinnonequiljb
7、rjum,openhjghwayexpressf沱ighttransponationsystem.Basedonthedissipativemechanism,usingnonlinearequation,theeVolutionmodelsofhighwayexpressfreighttransportationsystemfbrdiH’erentregionconditionsarebuiltwiththetumoVerofhighwayexpressf诧ighttransportationasthesys
8、temdominantvariable,withextemaleconomyconditionsasthesystemcontrolparameterandwithinfrastructureconditionsasthesystemeff'ectparameter.MeanwhiletheevolutionmechaJlismandevolutionconditionareanaly
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