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1、h基于混合时序逻辑的混合系统的模型检测#张海宾*(西安电子科技大学计算机学院,西安,710071)510152025303540摘要:这篇文章处理基于混合时序逻辑的混合系统的模型检测技术。通过转换为区间时序逻辑的模型检测问题我们解决了时间自动机的模型检测问题。然后通过转换为时间自动机的模型检测问题,解决了多速率混合系统的模型检测问题。最后,我们给出了矩形混合系统基于线性命题逻辑的模型检测算法。关键词:混合系统;时序逻辑;混合系统中图分类号:TP31ModelCheckingHybridSystemsWithinHybridTemporalLogicZH
2、ANGHaibin(SchoolofComputerScienceandTechnology,XidianUniversity,xi'an,710071)Abstract:Inthispaper,wedealwiththemodelcheckingissueforhybridsystemswithinhybridtemporallogic.Wesolvethemodelcheckingproblemfortimedautomatabytranslatingittothesameissueforintervaltemporallogic.Thenweprov
3、ethatthemodelcheckingissueofmultirateautomatacanbetranslatedtothatoftimedautomata.Finally,wegiveanapproachforcheckingthelinearpropositionalpropertyofcompactrectangularautomata.Keywords:modelchecking;temporallogic;hybridsystems0.IntroductionIntervalTemporalLogic(ITL)[1]isanimportan
4、tclassoftemporallogic.ThesatisfiabilityproblemforITLinterpretedoverinfinitemodelwassolvedin[2].Thus,themodelcheckingITLproblemcanbesolvedtoo.Hybridsystems[3-5]arereal-timesystemsconsistingofanon-trivialmixtureofcontinuousactivitiesanddiscreteevents.Itisverydifficulttoverifyhybridsyst
5、emsevenfortheveryrestrictedclasses.Thereachabilityproblemofsubclassesofhybridsystems—timed,multirateandcompactrectangularautomatawereprovedtobedecidable[3].Inthispaper,wedealwithmodelcheckingproblemswithinHybridTemporalLogic[6](HTL)fortimed,multirateandcompactrectangularautomata.T
6、othisend,weuseasubsetofHTLtodescribetherequirementsspecificationofasystem.TocheckwhetheratimedautomataMsatisfiesanHTLformulaj(i.e.M=j),weconstructaLabelledBuchiAutomata(LBA)M'forMandanITLformulajforj,andprovethatM=jifandonlyifM'=s,whichisaproblemofmodelcheckingITLwhichcanbesolved.Be
7、sides,therationalmodelcheckingproblemfortimedautomataisdealtwithsimilarly.Thenweverifythemultirateautomatabyprovingthatitisisomorphicbetweencheckingmultirateautomataandtimedautomata.Finally,wehaveaprimaryattemptforcheckingtherectangularautomata,tocheckthelinearpropositionalpropert
8、yfortherestrictedrectangularautom