%0 Journal Article %T LivenessProblemofPetriNetsSupervisoryControlTheoryforDiscreteEventSystems %A Hong-Ye SU %A Wei-Min %A WU Jian CHU %J 自动化学报 %P 143-150 %D 2005 %X ?Aquitegreatprogressofthesupervisorycontroltheoryfordiscreteeventsystems(DES)hasbeenmadeinthepastnearlytwentyyears,andnow,automata,formallanguageandPetrinetsbecomethemainresearchtools.ThispaperfocusonthePetrinetsbasedsupervisorycontroltheoryofDES.Firstly,wereviewtheresearchresultsinthisfield,andclaimthattheregenerallyexistsaprobleminPetrinetsbasedsupervisorycontroltheoryofDES,thatis,thedeadlockcausedbythecontrollerintroducedtoenforcethegivenspecificationoccursintheclosed-loopsystems,especiallythedeadlockoccursintheclosed-loopsysteminwhichtheoriginalplantislive.Finally,apossibleresearchdirectionispresentedforthesolutionofthisproblem. %K Discreteeventsystems %K supervisorycontrol %K Petrinets %K liveness %U http://www.aas.net.cn/CN/abstract/abstract15504.shtml