汽車動力傳動系優(yōu)化設(shè)計研究.pdf

1、武漢理工大學(xué)碩士學(xué)位論文汽車動力傳動系優(yōu)化設(shè)計研究姓名：陳正江申請學(xué)位級別：碩士專業(yè)：車輛工程指導(dǎo)教師：楊萬福20050501AbstractCurrentlythevehicleindustryhastwoproblemsthatthelackofoilandthepollutionoftheenvironment，andtheyaremoreseriousinourcountryHowraisethefueleconomyandlo

2、werexhaustemissionthatisoneoftheimportanttopicscovehicleindustrycurrentlyTherearesomescholarsandmanyexpertsthatdomanyresearchworksteducethefuelconsumptionandtheexhaustemissionThepowertrainhasgreatinfluenceontheperformanc

3、e，thefueleconomyandtheexhaustemissionItisimportantthatthechoiceofthepowertriantovehicleThispaperintroduceshowtochoosethepowertrainAccordingtotheknowledgeofthevehicle，itisdifficultthatraisingtheperformanceandthefueleconom

4、yandreducingtheexhaustemissionatthesametimeThepaperputforward：itismadetotheevaluationthatthesumof100kilometeroilconsumptionexhaustemissionquantityperkilometer(HC、COandNOx)atthestandardworkconditionandtheacceleranttimebyt

5、heweightingsFirst，makingthemathmodelofengineaccordingtotheexperimentdataandthemathmodeloftransmissionbybondgraph；second，theparameteroftransmissionismadetothevariationandthedemandsoftheperformance，thegearandexhaustemissio

6、nismadetotherestrictionofthealgorithm；third，makingthefunctionsofperformance，fueleconomyandexhaustemissionbythespeedofthestandardworkconditionrespectively；final，itismadetotheoptimizationalgorithmthatthesumofthethreefuncti

7、onsbytheweightingsTheoptimizationmethodofpowertainisbettertomoderndesignaboutvehiclesforthedemandoftheexhaustemissionisusedAttheendofthispaper，itintroducesthesoftwarethatisabouttheoptimizationofthevehicle’Spowertrain，whi