基于TTR的汽車側翻預警器設計.pdf

1、南京航空航天大學碩士學位論文基于TTR的汽車側翻預警器設計姓名：成光華申請學位級別：碩士專業(yè)：車輛工程指導教師：毛建國20080101基于TTR的汽車側翻預警器設計IIABSTRACTAtpresentthenumberoftheautothathavebeenmanufacturedbeingmanufacturedeveryyearisverylarge.Autoispopulardayafterdaymeattentionhasb

2、eenpaytothesecurityofAuto.WhilethevelocityisbeingenhancedtheAutorollingsecuritypopsout.AccidentsonaccountofAutorolloverincreaserapidlyyearafteryear.Therefeitisverynecessarytostudyrolloverwarningpredictiontoavoidthetraffi

3、caccidents.InthispapertheAutorolloverisresearchedathreedegreelinervehiclerollovermodelisbuilt.Itnotonlyincludesstaticfactsbutalsoincludesdynamicfactssuchascausedbytyreitisthebaseofthestudyofrolloverwarningprediction.Roll

4、overwarningpredictionalgithmcalculatetheTimethattheAutoneedtorolloveraccdingtothetyreload.AnAutorolloverwarningcontrollerhasbeenreferredinthispaperonthebaseoftheAutorollovermodel.ThecontrollerchoosesARM7asitsMCUwhichisex

5、celledbecauseofitslowerpowerconsumebetterperfmance.ThecontrollerconsistsofUARTUSBmodulewhichisusedtoexchangedatawithPC.Italsocontainsanalarmingmoduletoprovidewarninginvoice.IICmoduleisusedtorecdtheinfmationofrolloverwarn

6、ingpredictionsystem.InthisembeddedsystemtheCOSIIhasbeentransplantedintothesoftwaresystemoftherolloverwarningcontroller.AllthetasksrununderthisRTOSthismakesiteasytorealizethecommunicationbetweenthetasksnotsodifficulttoman

7、agetheresourceofthecontroller.FurthermeAhardwareintheloopsimulationsystemisbuiltthatincludethecontrollerAutorollovermodelUARTUSBsoftwaremodulewhicharedevelopwiththeVCIED.Experimentsshowsthisrolloverwarningcontrollercanpr