車用電渦流緩速器的設(shè)計(jì)方法及其性能分析.pdf

1、江蘇大學(xué)碩士學(xué)位論文車用電渦流緩速器的設(shè)計(jì)方法及其性能分析姓名：何建清申請學(xué)位級別：碩士專業(yè)：車輛工程指導(dǎo)教師：何仁20040317江蘇大學(xué)碩士學(xué)位論文ABSTRACTTheeddycurrentretarder(ECR)isanauxiliarybrakingdevicethattransformskineticenergyofmovingautomobileintothermalenergyanddissipatesitintoat

2、mosphereaccordingelectromagneticsprincipleThroughpracticeuse，ECRCanremarkablyimprovethesecurityofautomobileThedesignmethodofECRanditsperformanceanalysisisthemaincontentofresearchinthisthesisThepurposeofthepaperinfactisto

3、giveasupportinboththeoryandtechnologyforincountryenterprisestodeveloptheECRthattheyhavetheirintellectualpropertyThestructure，theworkingprincipleanddevelopmentdirectionofECRaredetailedlyintroducedinthispaperTheformulaforc

4、alculatingitsbrakepowerandbraketorqueisderivedthroughtheoreticaldeductionTheformulaisshowntherelationofthedesignparametersofECRandistestifiedtoberightbytestTheideaandformulafordesignandcalculationisalsogiven：firstlythema

5、ximumbrakepowerofECRisconcludedbythemaximumvelocityofautomobileandthemaximumadhesionofrearaxle；thentheairgap，magneticinductionofferromagneticandtheareaofmagneticyokearegiven；finallytheparametersofrotatingdiscandexcitingw

6、indingareconcludedThetestmethodoftestbedofECRispresentedinthispaperThedevelopmentoftestbedofECRespeciallythesystemstructureandtheworkingprinciple，aredetailedlyintroducedtooThedynamicsformulaofautomobileequippedwithECRare

7、giveninthispaperThroughroadtestthebrakingperformanceofECRisstudiedwhenautomobileisdrivingondownslopeandthelevelroadFinallywhenautomobilewithhighandmiddlevelocityisbrakedinemergencytheinfluenceofitsbrakingperformanceisstu