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多时滞中立型系统时滞相关稳定性分析(英文) StabilityAnalysisofDelay-RelatedStabilityinMulti-Time-DelayedNeutralSystems Introduction Manyreal-worldsystemssufferfromtimedelays,whichcanleadtoinstabilityandoscillations.Thesecanbeparticularlychallenginginmulti-time-delayedneutralsystems,whichhaveverycomplexdynamics.Therefore,itiscrucialtoanalyzethestabilityofthesesystemstounderstandtheirbehaviorandimprovetheirperformance. DefinitionofMulti-Time-DelayedNeutralSystems Multi-time-delayedneutralsystemscanbedefinedassystemsthatcontainmultipletimedelaysandmayhaveneutralornear-neutralcharacteristics.Neutralsystemsarecharacterizedbytheirlong-termstabilitybehavior,thepresenceoftwoormoretimedelays,andtheirabilitytoexcitehigh-frequencymodes.Thebehaviorofsuchsystemscanbehighlycomplex,andtheirstabilityanalysisrequirescarefulattention. StabilityAnalysisTechniques Therearevariousmathematicaltechniquesthatcanbeusedtoanalyzethestabilityofmulti-time-delayedneutralsystems.Someofthesetechniquesinclude: 1.Lyapunov-KrasovskiiStabilityAnalysis:ThismethodusesLyapunov-Krasovskiifunctionalstoprovethestabilityofasystem.Itreliesonacombinationofdelayedsystemdescriptionsandoptimizationapproachestoobtainstabilitycriteria. 2.Frequency-DomainStabilityAnalysis:Thismethodanalyzesthestabilityofsystemsusingfrequency-domaintools.Itallowstheanalysisofsystemswithhigh-frequencycharacteristicsandcanbeusedtoanalyzesystemswithmultipletimedelays. 3.Delay-DistributionStabilityAnalysis:Thismethodusesstatisticaldistributionstoanalyzethestabilityofsystemswithmultipletimedelays.Itallowstheanalysisofsystemswithrandomdelaysandcanbeusedtodeterminethecriticaldelayvaluesthatleadtoinstability. ApplicationsofMulti-Time-DelayedNeutralSystems Multi-time-delayedneutralsystemsarecommonlyfoundinseveralengineeringapplications,including: 1.PowerSystems:Powernetworksoftenhavemultipletimedelaysthatcanleadtoinstabilityandblackouts.Theanalysisofmulti-time-delayedneutralsystemscanbeusedtoimprovethereliabilityofthesesystems. 2.ChemicalProcesses:Chemicalprocess