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ID:26865939
大小:2.92 MB
页数:72页
时间:2018-11-29
《CNG发动机缸内低压直喷控制的分析》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、·西华大学硕士论文comprehensiveexperimentalstudyofthreeaffectedbythenozzlecurrent,relevantconclusionsdrawn,andfinallytestednozzleflowverificationsystemtofurtherdrawthedesignfeaturesofthedrivecircuitcanberealized.Hardware:inputsignalprocessingmoduleisdesigned,thecen
2、tralcontrolunit,thechargepumptypein-cylinderinjectionpulsewidthmodulatedlowvoltagenozzlesolenoidvalvedrivecircuit,thecircuitimplementationofthe"openpressure,lowhold"drive.Conductedanozzlesolenoidvalvesystemfunctionalsimulationexperimentsweretestedsimultane
3、ouslyjetflowverification.TobettercontrolthesoftwareaspectsofCNGengineinjectioncontrolstrategystudiescompletedItssoftwareandflowchartdesign,includinginputsignalprogram,jetcontrolprocedures,systemmainjetwidthcalculation.KeyWords:CNGengine;AMESimnozzlemodel;E
4、nginemodel;Thechargingpumpnozzledrivercircuit;Controlstrategyresearch;DrivecircuitsystemfunctiontestIII···CNG发动机缸内低压直喷控制的研究目录摘要..............................................................................................................................IAb
5、stract.............................................................................................................................II1绪论........................................................................................................................
6、.....11.1课题的提出及研究意义..................................................................................11.2国内外CNG汽车的研究状况.......................................................................21.2.1国外研究概况.......................................................
7、................................21.2.2国内研究概况.......................................................................................31.3现阶段CNG发动机技术路线以及气体发动机的特点...............................41.4本文的主要研究内容......................................................
8、................................42喷嘴模型的建立与仿真.............................................................................................62.1CYFZ1型天然气喷嘴AMESim模型................................................
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