車輛長大下坡聯(lián)合制動(dòng)特性研究.pdf

1、分類號(hào)：U27；U4610710—20050129媛步犬海碩士學(xué)位論文車輛長大下坡聯(lián)合制動(dòng)特性研究導(dǎo)師姓名職稱申請(qǐng)學(xué)位級(jí)別論文提交日期學(xué)位授予單位惠鵬余強(qiáng)教授答辯委員會(huì)主席學(xué)位論文評(píng)閱人型星盤糾碰巧幽AbstractWhenvehicletravelsinthedownhillpathmountainroad，onlyusethemainbrakeisnotmeetrequirementsofthecominuousbrakeSoasa

2、continuousbrake，itisindispensableforavehicletravelsinmountainareatouseenginebrakeandexhaustbrakeInthispapertheauthormakeallindepthstudy011thebrakecharacteristicsofenginebrakeorexhaustbrakewithmainbrakeaffecttogetherwhenv

3、ehicletravelsinthedownhillroadFirst，thetextidentifiedresearchmodetvehiclesafterlotsofsurvey，thentestthemodelvehiclesonroad，andworkoutbrakecharacteristicsofvehicleenginebrakeandexhaustbrakeineverysituationSecond，basedonth

4、eanalysisofcharacteristicsofenginebrakeandexhaustbrake，theauthordeterminetheirdownhillcapacityandtheabilityofenergyabsorptioncharacteristics，indicatematonlyuseassistedbrakeishardtomeetbrakerequirementsindownhillroad，tooT

5、herefore，bystudyingtherelationshipmodelbetweenthetemperatureriseandenergyofthemainbrakeonthedownhillroad，theauthoranalysistheenergyabsorptionrelationshipbetweenmainbrakeandassistedbrakeinthecourseofthebrakeaffecttogether

6、Furthermore，arelationshipmodelondownhillslope，lengthandspeedwiththebrakesWassetupwhenbrakeaffecttogetherWiththerelationshipmodel，severaldifferentconditionsondifferentloadingofvehiclesaresimulated，analysisandcompared，ther

7、esultisthatmainbrakebrakingperformanceconstantisimprovedwhenusingmainbrakeandassistedbrakeaffecttogetherTheresultsoftheresearchplayapracticalsignificanceroleonsafetyincontinuousdownhil】inChinasmountainareaKeywords：vehicl