瞬態(tài)油門控制器的開發(fā)與應(yīng)用研究.pdf

1、長沙理工大學(xué)碩士學(xué)位論文瞬態(tài)油門控制器的開發(fā)與應(yīng)用研究姓名：湯彬申請學(xué)位級別：碩士專業(yè)：載運工具運用工程指導(dǎo)教師：李岳林20090401ABSTRACT。I。herearetwoissuesinthedeVelopmentofautomobile，oneisthedepletionofollresources，theotherisenVironmentalprotection，thustherequirementstoimproveth

2、eVehlclespe“o珊ancesgrewdayanddayTheengineasthecorepartofavehicle，dlrectlylmpactsontheeconomy，power，emissionsTheengine’scombustioncyclesasthecentrallink，willhaVeanimpactonthequalityo九heengine，sotodevelopatranslentthrottle

3、controller，toreproductiontransiemoperatingconditionsofgasollneenglneandtostudythetransientcombustionprocessofgasolineengineteduceharmfulemissions，如elconsumptionandtoimprovethedrivingforcehasaVeryimportantpracticalsignifi

4、cance1nlspaperputtorwardtheconceptoftransientoperatingconditions，analyzedtyplcaltranslentoperatingconditionsandusedenginespeed，torqueandthrottleopeningfortheVariablesonclassifyingtransientoperatingconditionsAccordingtoth

5、eactualsituationofthecurrent，aswellasthetransientoperatingconditionswantedtoachleVe，areasonableschemeofdeVelopingthetransientthrottlecontr01lerwasadVancedThepaperdeVeIopedhardwaresystemofthetransientthrottlecontrolbythes

6、lngle—chiptocontrolasteppermotor，developedsoRwaresystemofthetransientt11rottlecomrollerbyassemblylanguage，burningintotheSCM，completedthedeVelopmentofthetransientthrottlecontrollerThentheaccuracVoftransienttllrottleopenin

7、gandthethrottleopeningspeedweretestedTheresultsshowedthatthedeVelopedtransientthrottlecontrollerinfullcornpliancewiththepredeterminedpreclslonAnythrottlepositioncouldbeachievedandthesameactioncouldberepeatedbyusingthetra

8、nsientthrottlecontrolwithFinaUy，thispaperusedthetransientthrottlecontrollertocontrolthet11rottletheengine10ad(torque)keptthesame，openedthet11rottleatdifferentthrottleopenlngspeedtochangetheenginespeedofthetransierltexper

9、iments，thenusedthecombustlonanalyzercollectingtheexperimentaldata，wekeptchasingaRer，accordlngtotheresultsofanalysis，achieVedthecombustionlawunderthetransientoperatlngconditionsstudiedbythispaper：experimentalresultsshowwh

10、entheenglnetorquelnthesame，correspondingtothesamespeed，decreasedthet11rottleopenlngspeed，themaximumcombustionpressureoftheengine，theaveragepressureonthe1nstructions，theaVerageeffectiVepressureincreased，andengineheatrelea