资源描述：
《城市混合道路行驶工况的构建研究.pdf》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、合肥工业大学博士学位论文城市混合道路行驶工况的构建研究姓名：姜平申请学位级别：博士专业：车辆工程指导教师：陈无畏2011-04
ABSTRACTWiththerapiddevelopmentofthenationaleconomyandtheimprovementofpeople'slivingstandards,thecarsaremoreandmorewidelyusedinourcountry,butaseriesofproblemsthattheautomobilescausedhaveappeared.
2、Forexample,thecarsinusehavelongerlives,theemissionstandard-reachingrateofnewcarsislow,trafficmanagementandroadinfrastructure,etc,arenotperfect,automobileemissionpollutionsaregettingworse.Inordertoeffectivelycontrolemissionpollutantsofurbanvehicles,thevehiclee
3、missionsonreal-roaddrivingconditionsmustbemastered.Theresearchofthedrivingcycleisbasicworkofvehicleemissionsandfuelconsumptionandisalsoanimportantbasistodeterminevehicleemissionsandenvironmentalimpactsofvehicleemissions.Standardsofforeigndrivingcyclescannotbe
4、mechanicallytransplantedfortherealdrivingcycleresearchofcitiesofourcountry.Thepresentresearchonthevehicledrivingcycleisonlytheoreticalandexperimentalathomeandabroad,practicalapplicationinspecificcitiesisrare,especiallyinourcountryalthoughdrivingcyclesofvehicl
5、esofsomecitiesarestudied,veryfewareusedinpractice,onlylimitedtosometheoreticalanalyses,andtheoreticalanalysesoftenusetraditionalmethodsofmultivariatestatisticaltheory.Mainlybecausetherearealotofuncertaintyduringtheresearchofactualvehicledrivingcycle,drivingcy
6、clesofeachcityandeveryvehicletypearedifferent.Sincethelate90sduringthe20thcenturyanumberoftheoreticalresearchofthevehicledrivingcyclearemadebyresearchinstitutionsanduniversities.Inthispaper,learnedfromthedesignmethodsofthevehicledrivingcycleathomeandabroad,dr
7、ivingcyclesarewhollystudiedandclassifiedbytheshorttripmethod,theMarkovmethod,thewavelettransformmethodandtheclustermethod,whichprovidethenewthinkingforthedrivingcycleresearchofmixedtrafficinourcountryandimprovetheaccuracyofthedrivingcycleconstruction.Theresea
8、rchcontentsofthisdissertationarelistedasfollow:(1)TheexperimentaldataaretreatedintypicalroaddrivingcyclesbyanexampleofHefei.(2)Themathematicmodelsofparametersofshorttriparesetupandthechar
