汽車(chē)燃油噴射系統(tǒng)電子控制器軟件研究

1、武漢理工大學(xué)碩士學(xué)位論文汽車(chē)燃油噴射系統(tǒng)電子控制器軟件研究姓名：李志剛申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：通信與信息系統(tǒng)指導(dǎo)教師：黃濤20060501AbstraetThepapermasterlyanalyzesthecomposeofelectronicfuelspraysystemofwulingminicarlsengine，researchesthebasiccomposeofelectronicfuelspraysystem，espec

2、iallystudiesthecontroltheoryandarithmeticofECUInordertodevelopingtheECU，weresearchtheforeignECUandgetthemapdata，getthenecessaryparametersofcontrolarithmeticofECUAboutthehardwarewemainlytalkaboutthehardwareplatformthatiti

3、sthemenontheECU，wefixthemcuonthebasisoftherunningspeedofmcu，theaccuracyandrateofsamplingofA／D，theamountandaccuracyofTIMER，theamountofI／OandsoonInordertotestandexperimentthearithmetic，wedesignedthesimulatesystemoftheEFI’s

4、sensorsThispapermasterlyresearchesthecontroltheorywhichisutilizedinourenginecontrolandthesoftwareplatformneededsystemFinallywefixtheuc／osiiasoursoftwareplatform，itissatisfiedvvithoursystem，completesthetaskregulationandit

5、scoreisverysmall，soitprovidesmorespacefortheapplicationprograminoursystem。Therealetwoveryimportantcontrollingmodelsinelectronicfuelspraytheyareignitionandsprayfuelcontrol，inmypaperthosearetalkedaboutcarefullybytwochapter

6、sThedefinationofsprayfuelneedsmanyparameterscorrectingsuchasairtemperature，airpressure，Ozportioninwastegas，sothecontrolofsprayfuelisaccomplishedbycombiningtheselfadaptcontrolandstudycontr01Inignitioncontrolwemainlyadaptt

7、heignitionaheadangelandthepulsewideofignitionaccordingtothespeedandloadofengineThereiscloserelationintheenginecontrolprecisionandthedataaccuracyinmenInordertesearchthecontroltheoryandarithmetic，wemadeoutthedetailedmeasur

8、eandengineexperimentInthisexperiment，adjustingthethrottletothespecificposition，andlettingenginerotaryspeedchangefromthelowesttothehighest，atthesalTletime，thedataofthewatertemperature，thefueltemperaturetheairpressandthero