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ID:32140381
大小:9.79 MB
页数:91页
时间:2019-01-31
《车用微控制器的模糊逻辑与bdm部件分析与设计》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、AbstractThewideapplicationofmicrocontrollerinautomotiveelectronicfieldmakesmodernautomotivetobemoreintelligentandnetworked.Researchesonmicrocontrolleranditsapplicationinautomotivestartedinthelate1970sinforeigncountries.Nowadaysmatureautomotivemicrocontrollerproductsandsolutionsha
2、vebeenformedabroad.However,thistechnologystartsquitelatelyinourcountryandthedevelopmentisprettyslow.Thereisrarelymatureproductsforwhichweowntheproprietaryintellectualpropertyrightsourselves.Sothetechnicalcraftworkersinourcountryareconfrontingachallengetoresearchanddevelopautomoti
3、vemicrocontrollerswithproprietaryintellectualpropertyrightsourselves.Withthecomplexityandinterferencediverisityoftheapplicationenvironmentwhereembeddedautomotiveelectroniccontrolsystemworks,fuzzylogicwithgoodadaptabilityhasbeenintroducedonthevehiclemicrocontrollerinstructions.Fre
4、escaleHCS12isthefirstmicrocontrollerinwhichfuzzylogicinstructionsarefullvsupported.Basedonanalysisofcharacteristicsandapplicationscenariosofautomotivemicrocontroller,theobjectiveofresearchistodesigntheENSL一16.aFreescaleHCS12instructionsetcompatible16一bitautomotivemicrocontr011er.
5、ThisthesisismainlyresponsiblefortheresearchanddesignofthefuzzylogicandBDMunitsoftheautomotivemicrocontroller,andtheanalysisofsystem’Ssecuritv.ThemainworkofthisthesisiSasfollows:Throughthestudyofcharacteristicsandtheautomotivemicrocontr011erinstructionset,thestructureofdatapathisp
6、roposed.Onthebasisof“Top—Down’’hierarchicaldesignmethod,thesystemmodulesaredividedandtheinterfacesignalsaredefined.ThenthesystemsecurityiSanalyzed.Basedonanalysisoffuzzylogicinstructionset,thethesisproposes16一bitunifieddatapathandstructureoftwofastcomputingunit.TheproposeddataDat
7、handstructureoffastcomputingunit,canexecute8bit,16bit,unsignedandsignedoperationsoffuzzylogicinstructionsusingonecomputingmodule,whichavoidstherepetitionofcomputingmoduleanddecreasestheareaoffuzzylogicunit.Thestructureoftwofastcomputingunitcanrealizetheparallelcomputing,SOastoimp
8、rovethefuzzylogicinstructionexecutionspe
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