区域危险品道路运输网络双层反馈规划模型及算法.pdf

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1、第22卷第7期中国安全科学学报Vo1．22No．72012年7月ChinaSafetyScienceJournalJu1．2012区域危险品道路运输网络双层反馈规划模型及算法沈小燕讲师李小楠刘浩学教授谢培(1长安大学汽车学院，陕西西安7100642中国交通通信信息中心，北京100011)学科分类与代码：6202710(安全运筹学)中图分类号：X951：U491文献标志码：A资助项目：中央高校基础科研项目(CHD2009J137)。【摘要】为通过运输网络规划方式降低区域路网危险品运输风险，根据危险品道路运输网络规划中存在监管者路网

2、规划和运输者路线选择的双层约束特征，在假设监管者网络规划目的为总运输风险最小，运输者选线目的为总运输成本最小的基础上，建立区域危险品道路运输网络双层规划模型。进一步提出能求解得到稳定运输网络的双层反馈式算法，即在传统模型算法中增加稳定性检验和反馈调整算法，进而保证运输者在监管者规划路网中所选路线运输成本最小的同时运输风险也尽可能小。最后，通过实例分析检验模型和算法的有效性。计算结果显示，反馈式算法求得的运输网络更稳定，总运输风险值也比传统模式和算法的低。【关键词】危险品；运输风险；运输网络规划；双层约束；反馈式算法Bi—leve

3、lFeedbackPlanningModelandAlgorithmforRegionalRoadHazmatTransportNetworkSHENXiao-yanLIXiao．nanLIUHao．xueXIEPei(1SchoolofAutomobile，ChanghnUniversity，XihnShaanxi710064，China2ChinaTransportTelecommunicationandInformationCenter，Beijing100011，China)Abstract：Inordertoreduc

4、etheroadhazmattransportriskinparticularareabvthemeansofthetrans．portnetworkplanning，accordingtothetwo—levelrestraintcharacteristicsbetweenthetransportnetworkplanningofthesupervisiondepartmentandtherouteselectionofhazmatshipperswhichwereexistedin，theprocessoftransport

5、networkplanning，basedontheassumptionthatthegoalsoftransportnetworkplan—ningofthesupervisiondepartmentsandtherouteselectionforhazmatshipperswereminimizingthetotaltransportriskinconcernedareaandthetotaltransportcost，respectively，then，abi—levelprogrammingmodelfortheregi

6、onalroadhazmattransportnetworkwasbuilt．Onthisbasis．thecorrespondingbi—levelfeedbackalgorithmthatcanfindastablesolutionf0rtheabove—mentionedmodelwasthenproposed．thatis，increasingthestabilitytestandfeedbackadjustmentalgorithmintraditionalsolvingalgorithm，SOastoensureth

7、etransportriskofroutethehazmatshipperselectedinthetransportnetworkthesupervisiondepartmentplannedwasassmallaspossiblewhileminimizingthetransportcostofsuchroute．Finallv．aexamplewastakenfortestingtheeffectivenessofmodelandalgorithm．Thecalculationresultshowsthatthetrans

8、portnetworkobtainedbythefeedbackalgorithmismorestablethanthatbythetraditionala1g0一rithm，andthatthetotaltransportriskoftheformerislo