实时系统防危技术研究与实现

《实时系统防危技术研究与实现》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、电子科技大学硕士学位论文实时系统防危技术研究与实现姓名：郭振宇申请学位级别：硕士专业：计算机应用技术指导教师：桑楠20060510ABSTRACTWiththerapiddevelopmentofreal-timecomputingtechnology,thereal-timesystembecamecrucialcontrolcomponentinmoreandmoremissioncriticalapplications，suchasmedicaldevices，aircraftflightcontrol，weapons，andnuclearsystems．I

2、nordertopreventorreducethecatastrophicfailuresofthosesystems，itisnecessarytoresearchsomesafeguardmechanisms．Asaveryimportantsafeguardmeasurepreventingcatastrophicfailurestohappen，thesafetytechnologyofrealtimesystemhasbecomeahottopic．Thestateofartofsafetytechnologyofrealtimesystemissys

3、tematicallyanalyzedinthisthesis．Thesafetytechnologiesbothinapplicationlevelandoperatingsystemlevelareresearched．Basedontheresearch，thesafetykernelwithreflectiontechnologyandtemporalandspatialisolationmechanismaredesignedandrealizedinthisthesis．Inordertoreducetheinfluencebythesafetytec

4、hnologyonresponsetimeofreal-timesystems，thecombination—delayingbuddysystemispresentedbasedontheclassicalbuddysystem．Tosumup，somemainworksandcontributivenessincluding：1)Throu曲thecontrastbetweensafetyandreliability,safetyandsecurity,theessentialmeaningofsafetyisexpounded．Itsetsagoodbase

5、forresearchinganddesigningsafetytechnology．2)Basedonthenmlti—levelreal·timereflectiontowermodel，thefunctionalcomponentsandreliabilitycomponentsarebothdescribedanddividedwiththereflectionmethod．Andthesafetykernelwithreflectiontechnologyisproposedwithoutthesupportingofreflectedlanguages

6、uchasOpenC++andOpenJava．3)Withfeatureofreal—timesystem，thepaperpresentsamultiple-levelsafetyauditsystem．Flexiblemethodoftheauditstoringenhancesthedependabilityofauditinformation．Two—levelreal—timealarmandsecondanalysisofauditinformationenhancetheutilityofauditinformation．Andtheauditca

7、chereducesthetimespendingcausedbyauditing．41Afterthethoroughanalysisofcurrentsafetytechnologyonreal-timeoperatingsystem，asafeguardmechanismbasedontemporalandspatialisolationABSTRA(了techniqueisrealized．Thepurposeistolocalizetheinfluencecausedbydesignfailureintoarelativelysmalltemporala

8、ndspa